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Natrona County Development Department 200 North Center Street, (Natrona County)

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Natrona County Development Department
200 North Center Street, Room 202
Casper, WY 82601
Phone: (307) 235-9435
Fax: (307) 235-9436
"The purpose of the Natrona County Development Department is to provide necessary services to
implement sound land use planning and economic development policies to protect and enhance the
quality of life for present and future inhabitants of Natrona County."
Major
Subdivision
Packet
(Applicant will need to review the 2013 Natrona County Subdivision Regulations for more detail by either
purchasing a book or by reviewing the regulations on the County web page - www.natronacounty-wy.gov)
Print Form
Subdivision Checklist
Preliminary Plat Application
Eight (8) full size prints (24" X 36")
One (1) reproducible copy (11" X 17")
Proof of Ownership
Notice of Intent
Eight (8) copies of any covenants proposed
Eight (8) copies of the statement of consideration
Eight (8) copies of percolation tests
Eight (8) copies of summary statement
Information concerning storm water treatment and management
Notice of existing easements and right-of-way to the subdivision
Notice of proposed utility easements
Study evaluating water and sewage systems proposed
Documentation that access has been provided and conforms to the minimum standards
Any other information deemed pertinent to the evaluation of the application
Final Plat Application
Eight (8) full size prints (24" X 36")
One (1) reproducible copy (11" X 17")
Documentation that the subdivider has adequate financial resources to develop and
complete the subdivision
Boundary corners and access location have been flagged
Any special documents (homeowner's association, maintenance bonds, special
agreements, etc.)
Draft Subdivision Development Agreement
Digital data as outlined in Appendix I
Notice of Intent (If not already turned in with Preliminary Plat Application)
Proof of Ownership (If not already turned in with Preliminary Plat Application)
Information concerning storm water treatment and management (If not already turned in
with Preliminary Plat Application)
Notice of existing easements and right-of-way to the subdivision (If not already turned in
with Preliminary Plat Application)
Notice of proposed utility easements (If not already turned in with Preliminary Plat
Application)
Study evaluating water and sewage systems proposed (If not already turned in with
Preliminary Plat Application)
Documentation that access has been provided and conforms to the minimum standards
(If not already turned in with Preliminary Plat Application)
Any other information deemed pertinent to the evaluation of the application (If not
already turned in with Preliminary Plat Application)
CHAPTER 4
MAJOR SUBDIVISION REVIEW PROCESS
Section 1. Purpose. This section establishes the process to review and approve major subdivisions
within Natrona County
Section 2. Definition. A division of land into two (2) or more parcels of 140 acres or less and not classified
as a Simple Subdivision.
Section 3. Pre-Application Conference: A pre-application conference shall be held prior to submission
of any development applications, including a Major Subdivision. A new pre-application
conference shall be required before submission of an application if more than a year has
passed since the previous conference. See Chapter IV Section 9 of the 2000 Zoning
Resolution.
Section 4. Minimum Application Requirements for a Major Subdivision:
A. Evidence satisfactory to the board that the proposed subdivision complies with any
applicable zoning or land use regulations.
B. The Applicant shall submit a major subdivision preliminary plat application ( see Appendix C)
and preliminary plat of the proposed major subdivision drawn in accordance with the
requirements of Appendix J. Applicant shall also furnish eight (8) full size prints (24" X 36")
and one reproducible 11" X 17" copy of the plat and any supporting documents. Supporting
documents required:
1) Two (2) copies of Proof of Ownership of the proposed subdivision meeting the
requirements of Appendix H.
2) Eight (8) copies of any covenants proposed for the subdivision.
3) Eight (8) copies of a written statement outlining the considerations that have been
given to the maintenance of the quality of life and scenic beauty in the area. These
might include maintaining open lands and vista, avoiding building on skylines or
hilltops, or avoiding disturbing the local natural beauty compatibility with
surrounding land uses, natural landscaping, non-intrusive home setting, etc.
4) Eight (8) copies of the percolation tests conducted in accordance with the City of
Casper/Natrona County Health Department regulations, with test locations shown
on a copy if the preliminary plat indicating soil types, percolation rates, depth to
groundwater and suitability for on site waste water disposal. One percolation test
shall be done on each lot for which development is proposed, or as required by the
City of Casper/Natrona County Health Department or the Department of
Environmental Quality (DEQ).
5) Eight (8) copies of a summary statement including the total number of proposed
dwellings and other improvements, information concerning established flood
plains on the property from the Natrona County Flood Regulations.
6) Information concerning storm water treatment and management, if applicable
and as may be required by law.
7) Notice of existing easements and a right-of-way to the subdivision from a state
highway, county road or any road dedicated to public use.
C. If the subdivider proposed to utilize adjoining property for sewer, drainage, sewer lines,
power lines, or other utilities, the subdivider shall provide copies of binding easements.
D. The applicant shall provide a study evaluating the water and sewage system proposed for the
subdivision and the adequacy and safety of that system. See Appendix O - Sewage System
and Appendix P - Water Supply System.
E. Documentation satisfactory to the Board of County Commissioners (BOCC) that adequate
access has been provided and that all proposed streets, alleys, and roadways within the
subdivision conform to the minimum standards adopted by the Board of County
Commissioners (BOCC).
F. Proof that the applicant has published a Notice of Intent to Subdivide twice in two (2)
separate weeks within thirty (30) days of submitting the application for a major subdivision.
(See Appendix G)
G. Proof that the applicant has submitted three (3) copies to the Department of Environmental
Quality if the subdivision has 6 or more lots or as recommended by the Health Department.
H. The statement of review and recommendations from the local conservation district regarding
soil suitability, erosion control, sedimentation, and flooding. A recommendation from the
conservation district is required for preliminary plat review. The conservation district shall
submit its recommendation to the County Development Department no later than thirty (30)
days after receipt of the preliminary plat.
I. Any other information consistent with Wyoming State Statutes and the Board of County
Commissioners (BOCC) published rules and regulations which the Board of County
Commissioners (BOCC) deems pertinent or relevant to the evaluation of the application.
Section 5. Criteria for Approval
1) The subdivision is consistent with the Natrona County Development Plan and the Natrona
County Zoning Resolution.
2) The subdivision is in conformance with the General Provisions (Chapter 1) and Subdivision
Design Standards (Chapter 7).
3) The applicant has provided evidence that a sufficient water supply system will be acquired
in terms of quantity, quality, and dependability for the type of subdivision proposed, as
determined in accordance with the standards set forth in the water supply systems.
(Appendix P)
4) The applicant had provided evidence that a public sewage disposal system will be
established and, it other methods of sewage disposal are proposed, evidence that the system
complies with state and local laws and regulations (Appendix O)
5) The applicant has provided evidence to show all areas of the proposed subdivision, which
may involve soil or topographical conditions presenting hazards or requiring special
precautions, have been identified by the applicant and the proposed uses of the areas are
compatible with such conditions.
6) Necessary services, including fire/police protection, schools, recreation, utilities, open space
and transportation system, are available to serve the proposed subdivision.
7) The subdivision appears to be compatible with the surrounding area, not detrimental to the
future development of the area, and not detrimental to the health, safety, or welfare of the
inhabitants of the area and the County.
8) Documentation satisfactory to the Board of County Commissioners (BOCC) that the
Improvement and Service District requirements have been met.
9) Documentation that the subdivider has adequate financial resources to develop and
complete water and/or sewage systems or any facility proposed or represented to be the
responsibility of the subdivider, but not limited to the above mentioned.
Section 6. Processing of Preliminary Plat Application
A. Upon receiving the application, plat, including supplementary information and the permit
fee, at least thirty (30) days prior to the next regularly scheduled Planning Commission
meeting, the Development Department shall distribute copies of prints of the preliminary
plat for review and comment to the following agencies:
1) To any municipality within at least one (1) mile radius of any portion of the
subdivision.
2) To any applicable utility, improvement and service district, ditch companies,
conservation district, school district, etc.
3) To the County Surveyor, Assessor's Mapping Department, Natrona County
Health Department and adjacent landowners.
B. The proposed subdivision shall be advertised for a public hearing at the next regularly
scheduled Planning Commission meeting, but no sooner than thirty (30) days after the
submittal.
C. The owner shall flag the boundary corners and access location.
D. The review shall outline whether the proposed subdivision generally complies with the
policies and requirements of the adopted Natrona County Development Plan, Subdivision
Regulations, Zoning Resolution and the Casper Mountain Land Use Plan if applicable.
E. The Development Department may recommend a motion of approval of the plat, approval
with conditions, denial, or tabling to a specific time.
F. The Planning Commission shall conduct the public hearing as provided by law. The Planning
Commission shall hear and consider evidence and arguments on the application from any
person present at the meeting who desires to be heard and any written communication from
any person regarding the application. After closing the public hearing on the application, the
Planning Commission shall approve the application as recommended by the Development
Department, approve with conditions, deny, or table the plat to a specific time.
G. The Development Department shall notify the applicant of the Planning Commission's
recommendation and inform the applicant to submit the final subdivision application and
plat, incorporating the suggested changes.
The Development Department shall deliver its recommendation on the preliminary plat and the action of
the Planning Commission to the Board of County Commissioners (BOCC).
Any changes to the plat after approval by the Planning Commission that were not a recommendation by the
Planning Commission constitutes a new application, associated fees and Planning Commission meeting.
Section 7. Processing of Final Plat Application
A. Final Plat Requirements. The final plat shall conform to the approved preliminary plat and
shall include all changes and conditions specified on the preliminary plat as required by the
Planning Commission. A final plat may be developed in phases. In such cases, submission
shall include a key map indicating the sections designated for the entire tract, and each sheet
numbered accordingly to include title, legend, match lines, and other appropriate
information, additional fees may be required.
B. Final plat submission shall include a final plat application form (see Appendix D), eight (8)
full size, one reproducible 11" X 17" copy of the executed final plat signed by the owner and
mortgage if any, and all required supporting documents, including any covenants proposed
by the developer. The copies shall be submitted at least fifteen (15) working days prior to the
next regularly scheduled Board of County Commissioners (BOCC) meeting. All costs
associated with the publication of legal notice, County Surveyor review and recording shall
be borne by the applicant.
C. Final Plat Contents, the final plat drawing shall comply with the standards outlined in
Appendix K.
D. Final Plat Supplemental Information; as appropriate to each subdivision, eight (8) copies of
the following documents and plans shall be submitted with the final plat.
1) Special Documents. If required, homeowner's association documents, maintenance
bonds, special agreements, escrow funds, approvals from ditch companies, WDOT,
cities, and towns, to others that are involved. All documents are to be in a form
acceptable to the County Attorney and the Board of County Commissioners (BOCC).
A new or merged Improvement and Service District shall be mandatory for all major
subdivisions.
2) When any road or driveway will intersect with a state highway or county road, an
approved and signed copy of the state highway or county road access permits shall
be submitted.
3) When a subdivision road or easement must cross other private property or public
property, a copy of appropriate road dedication, easement, or equivalent document
shall be submitted.
4) A draft Subdivision Development Agreement, as prepared by the County
Development Department, and any other agreements or contracts to assure
construction of required improvements and maintenance.
5) When applicable, a warranty deed to Natrona County conveying to the County all
public lands other than roads as shown on the plat.
E. Evidence satisfactory to the Board of County Commissioners (BOCC) that the subdivider has
adequate financial resources to develop and complete any facility proposed or represented
to be the responsibility of the subdivider, including but not limited to water systems, sewage
systems, road and roadways. The applicant shall provide a performance bond, acceptable
letter of credit or other sufficient financial commitment to assure that any facilities proposed
or represented to part of the subdivision shall in fact be completed as proposed; or escrow
sufficient moneys out of land sales to guarantee that the above facilities are installed.
F. The Board of County Commissioners (BOCC) shall review the final plat at a regularly
scheduled meeting and shall then either approve as submitted or disapprove the final plat
and Subdivision Permit.
G. Upon the approval of the final plat by the Board of County Commissioners (BOCC), the final
plat shall be recorded in the office of the County Clerk by the Development Department with
all supporting agreements and covenants. The recording and filing fees shall be paid by the
subdivider. These fees are in addition to the Subdivision Application Fees, publication of
legal notices and the County Surveyor fees.
H. Digital drawings are submitted in the preliminary and final plat stages and shall comply with
standards outlined in Appendix I.
APPENDIX C
MAJOR SUBDIVISION - PRELIMINARY PLAT
Application Form
(ref. Chapter 4, 2013 Subdivision Regulations)
APPLICATION INSTRUCTIONS
This is an application for a major subdivision on the parcel of land described heron. Citizens are encouraged
to discuss their application with an appropriate member of the Development Department. All
documentation must be complete.
THE FOLLOWING SHALL BE SUBMITTED:
* A completed application form. Answer all portions and type or print your answers. Attach
additional pages, if needed.
* A preliminary plat (see Appendix J). Please submit eight (8) full size (24" X 36") and one (1)
reproducible 11" X 17" copy.
* Two (2) copies of Proof of Ownership of the proposed subdivision (see Appendix H).
* Eight (8) copies of summary statement containing:
- Total number of proposed dwellings and other improvements;
- Total number of off-street parking spaces, if commercial or multi-family dwellings are
contemplated;
- Description of the water source contemplated for the development, to include information
on water quality and water rights, distribution system, and other significant water
information.
- Information concerning established flood plains on the property from the Natrona County
Flood Regulations.
- Proof of easements a minimum ten (10) feet wide for utilities and a sixty (60) foot wide
dedicated right-of-way to the subdivision from a state highway or county road.
Please describe in a as much detail as possible what you are requesting. You may refer to the questions
below as guidance. The following questions are the approval criteria for your application. (May be typed on
different sheet)
1) The subdivision is consistent with the Natrona County Development Plan and any other area plan.
2) The subdivision is in conformance with the subdivision design standards. (Chapter 7)
3) The applicant has provided evidence that a sufficient water supply system has been acquired in
terms of quantity, quality, and dependability for the type of subdivision proposed, as determined
in accordance with the standards set forth in the water supply systems. (Appendix P)
4) The applicant has provided evidence that a public sewage disposal system has been established
and, if other methods of sewage disposal are proposed, adequate evidence that the system
complies with state and local laws and regulations. (Appendix O)
5) The applicant has provided evidence to show all areas of the proposed subdivision, which may
involve soil or topographical conditions presenting hazards or requiring special precautions,
have been identified by the applicant and the proposed uses of the areas are compatible with
such conditions.
6) Necessary services, including fire/police protection, schools, recreation, utilities, open space and
transportation system, appear to be available to serve the proposed subdivision.
7) The subdivision appears to be compatible with the surrounding area, not detrimental to the
immediate area, not detrimental to the future development of the area, and not detrimental to
the health, safety, or welfare of the inhabitants of the area and the County.
* Any other information consistent with these regulations.
* Eight (8) copies of any covenants proposed for the subdivision.
* The statement of review and recommendations from the local conservation district regarding soil
suitability, erosion control, sedimentation, and flooding.
* Eight (8) copies of a written statement outlining the considerations that have been given to the
maintenance of the quality of life and scenic beauty of the area. These might include maintaining
open lands and vistas, avoiding building on skylines or hilltops, avoiding disturbing the local
natural beauty, compatibility with surrounding land uses, natural landscaping, non-intrusive home
siting, etc.
* Proof that the applicant has published Notice of Intent to apply for a Subdivision Permit once a
week for two (2) separate weeks within thirty (30) days prior to filing this application. (see
Appendix G)
* Eight (8) copies of percolation tests approved by the City of Casper/Natrona County Health
Department, with test locations shown on a copy of the preliminary plat indicating soil types,
percolations rates, depth to ground water, and suitability for on site waste water disposal. One by
the City of Casper/Natrona County Health Department or State Department of Environmental
Quality.
* Legal notice fees and the County Surveyor fees shall be reimbursed prior to the recording of the
Subdivision plat. In cases where the Subdivision is not approved, withdrawn, or not recorded, the
applicant is still responsible for the reimbursement of these fees.
* Is the current access part of an existing Improvement and Service District? If so, please provide the
appropriate paperwork. Major Subdivisions will be required to join any existing Improvement and
Service District.
Applicant Name:
Applicant Address:
Applicant Phone:
Owner Name:
Owner Address:
Owner Phone:
Explain why you are requesting this major subdivision and detail the proposed use:
Legal description, acreage, and Parcel Identification number (PID) (if within a platted subdivision, give
subdivision name, block and lot number. If not within a platted subdivision, give quarter-section, section,
township and range).
Current zoning of property:
Type of sewage disposal
Public
Septic
Holding Tank
Other
Source of Water:
This property was purchased from:
The date this property was purchased:
I (We) hereby certify that I (We) have read and examined this application and know the same to be true and
correct to the best of my (our) knowledge. Granting this request does not presume to give authority to
violate or cancel the provisions of any other State or local laws. Falsification or misrepresentation is
grounds for voiding this request, if granted. All information within, attached to or submitted with this
application shall become part of the public record. I (We) further understand that all application fees are
non-refundable.
Applicant:
Date:
(Signature)
Print Name:
Owner:
Date:
Print Name:
(Signature)
Initials
I (We) are aware that the Legal notice fees and the County Surveyor fees must be reimbursed to the
Development Department prior to the recording of the Subdivision plat. In the event that the
Subdivision is not approved, withdrawn, or not recorded, we are still responsible for the County
Surveyor fees.
APPENDIX J
PRELIMINARY PLAT CONTENTS
1) Name of Subdivision. The name shall not be such that it tends to duplicate that of an existing subdivision
name.
2) Scale. 1"=100' or less, or 1"=200' where the minimum lot size is five acres or larger.
3) Road, road name and lot layout.
4) Total area to be subdivided.
5) Lots and blocks numbered consecutively.
6) A vicinity map at the scale of 1"=1,000' or 1"=2,000' showing the perimeter outline of the plat and man-made
or natural features of the surrounding area, as well as adjoining property owners.
7) Existing contours at two (2) foot intervals for small lot urban developments, and five foot (5) contours for
predominant ground slopes over twenty (20) percent grade. Elevations where possible, shall be referenced to
USGS control. Where minimum lot size is greater than ten (10) acres, twenty (20) foot intervals adapted from
USGS topographical maps may be accepted.
8) Dimensions of all lots to the nearest foot (may be scaled).
9) Name and address of the subdivider, the designer of the subdivision, and the registered engineer or surveyor
licensed by the State of Wyoming. The date of preparation, map scale, and North Arrow.
10) Name, instrument number, location and dimensions of all existing or recorded roads, alleys, easements,
right of way, section lines, and other similar features within and adjacent to the proposed subdivision.
Also, the location of existing and proposed water and sewer lines and other utilities.
11) The location of all existing surface or underground improvements such as buildings, fences, other structures,
utilities, pipelines, etc.
12) Proposed sites, if applicable, for multiple - family residences, commercial, industrial, quasi-public uses, and
single-family residential areas.
13) Existing and proposed road and road names shall not duplicate any name used for a county road, or used in
the county rural addressing system, or used in any other county subdivision unless it is an extension of an
existing road.
14) Sites to be reserved for parks, playgrounds, schools, or open space.
15) General location within the subdivision of any area of trees, streams, lakes or other natural features. In
heavily wooded areas, indicate the outline of the wooded area adapted from available information such as
aerial photographs or USGS mapping. The intent of this provision is to assist in the overall design of the
subdivision.
16) Where open space is reserved for common use, a statement as to the maintenance of this area dedicated or
reserved for public use.
APPENDIX G
NOTICE OF INTENT TO SUBDIVIDE
NOTICE OF INTENT TO SUBDIVIDE
LAND IN NATRONA COUNTY, WYOMING
Pursuant to the provisions of the Wyoming Real Estate Subdivision Act, Statutes 18-5-301 through 18-5-315
Session Laws of 1975 as amended, NOTICE IS HEREBY GIVEN THAT
(Owners)
intend to apply for a Subdivision Permit from the Natrona County Board of County Commissioners to subdivide
lands in Natrona County, Wyoming to be called .
(name of subdivision)
These lands are comprised of _______ acres located in Section ___, Township _________ North,
Range________ West. The property is being subdivided for the purpose of _____________________________
___________________________________________________________________________________________
(list uses proposed)
Publish once a week, two (2) times within 30 days of submitting application.
Applicant pays for cost of publication.
APPENDIX H
PROOF OF OWNERSHIP REQUIREMENTS
The applicant for any subdivision permit shall submit proof of ownership to the Development Department.
This proof of ownership shall meet the following criteria:
A. The subdivided land is free of all encumbrances and that the person who offers any part of the
subdivision for sale or who solicits any offers for the purchase thereof, directly or through agents,
may convey merchantable title, subject only to noted reservation or restrictions of record, but free
of encumbrances and subject only to a proportionate share of real property taxes or assessments
charged or assessed for the year in which any such sale may be legally effected; or
B. Binding arrangements have been made by the person who offers any part of the subdivision for sale,
directly or through an agent, to assure purchasers of any part of the subdivision that upon full
payment of the purchase price a deed can and will be delivered conveying merchantable title subject
to noted reservations or restrictions of record and free of encumbrances not specifically assumed by
the purchaser, subject only to proportionate share of such taxes and assessments thereon as my be
levied or assessed for the year in which such sale may be legally affected.
C. If mortgaged, mortgagee must sign the plat. A contract for deed purchaser, must sign with the
owner of record.
APPENDIX O
SEWAGE SYSTEM
Purpose. S 18-5-306 A study evaluating the sewage system proposed for the subdivision and the
adequacy and safety of the system, the study shall, at a minimum, include the following:
A. Identification of the type of sewage system to serve the subdivision and identification of the entity
or entities responsible for the design, construction, operation and maintenance of the proposed
facility;
B. For all types of sewage systems EXCEPT individual on-lot sewage systems, a report submitted by the
subdivider as to the adequacy and safety of the proposed sewage system. The report shall address,
at the minimum, the following issues:
1) An assessment of the adequacy of the proposed sewage system in relation to the proposed
population density of the subdivision and any other existing or proposed land and water
issues in the vicinity of the subdivision that may affect the adequacy of the system;
2) An estimate of the total number of gallons per day of sewage generated by the proposed
subdivision where a central sewage system is proposed;
3) A demonstration that technical requirements and design standards of the Department of
Environmental Quality applicable to central sewage systems can and will be met;
4) Where utilization of or connection to an existing private or public sewage system is proposed,
documentation that application to such entity has been made and that the entity can and
will provide service;
5) A detailed demonstration that the proposed sewage system for the subdivision is compatible
with the proposed water supply system for the subdivision. The study shall demonstrate that
the operation of the sewage system will not affect the suitability or safety of the proposed
water supply system and a determination of the potential impacts of downgradient use of
groundwater;
6) Demonstration that the proposed sewage system will meet all County, State and Federal
standards. The documentation shall address the relationship of the development to any local
or state approved water quality management plans established pursuant to Section 201 of the
Federal Clean Water Act, 33 U.S.C. Section 1281 and demonstrates no conflict exists with any
state approved local wellhead protection plan or local source water protection plan
established pursuant to the Federal Safe Drinking Water Act.
C. Where individual on-lot sewage systems are proposed by the subdivider, a report submitted by the
subdivider shall document the safety and adequacy of the proposed on-lot sewage systems including
the following:
1) Adequacy of separation distances;
2) Separation of drain field relative to groundwater and impervious soils;
3) Suitability of the subdivision soil conditions
4) Suitable topography
S
5) Proposed population density;
6) Protection of groundwater uses; and
7) Watersheds located on or draining into, under or over the proposed subdivision.
D. Where individual on-lot sewage systems are proposed, the words "NO PROPOSED CENTRALIZED
SEWAGE SYSTEMS", in bold, capital letters shall appear on all offers, solicitations, advertisements,
contacts, agreements and plats relating to the subdivision.
E. If the subdivider proposes to utilize adjoining property for sewers, drainage, sewer lines, power lines,
or other utilities, the subdivider shall provide copies of binding easements of not less than twenty (20)
feet in width for the proposed facilities from each property owner over whose land such services shall
extend and shall provide a minimum access roadway right-of-way of sixty (60) feet to the subdivision
for all public ways.
APPENDIX P
WATER SUPPLY SYSTEMS
Purpose. S 18-5-306 A study evaluating the water supply system proposed for the subdivision and the
adequacy and safety of the system. The study shall, at a minimum, include the following:
A. Identification of the type of water supply system proposed to serve the subdivision and identification
of the entity or entities responsible for the design, construction, operation and maintenance of the
proposed facility;
B. For all water supply systems EXCEPT individual on-lot wells, a report must be submitted by the
subdivider demonstrating the adequacy and safety of the proposed water supply system. The report
shall address, at a minimum, the following issues:
1) The estimated total number of gallons per day for the subdivision water supply system;
2) Documentation that the proposed water supply system will be compatible with and not
adversely affected by the sewage system proposed for the subdivision or any other sources
of pollution within reasonable distance.
3) List of all surface and groundwater rights which will be used or which may be affected,
including state engineer application and permit numbers and description of expected effects;
4) Plans for mitigation of water right conflicts resulting from the use of water within the
proposed subdivision;
5) When connecting to an existing water supply system, the report shall also contain:
A. Documentation that public or private water suppliers can and will supply water to the
proposed subdivision, stating the amount of water available for use within the
subdivision and the feasibility of extending service to that area;
B. Documentation concerning the potability of the proposed water supply for the
subdivision.
6) Where a centralized water supply system is proposed containing a new source of water supply
to be developed, the report shall also demonstrate that the water supply system is sufficient
in terms of quality, quantity and dependability and will be available to ensure an adequate
water supply system for the type of subdivision proposed. The report shall include a
narrative summary of:
A. Where the water supply system source is derived from groundwater, the geologic
setting of the water supply system source and the area of influence such as nearby
communities, sources of pollution, surface water bodies and aquifers described by a
Wyoming registered professional geologist;
B. The quantity, quality, and source of the water to be used including proposed and
existing surface and groundwater facilities and their location. Where the proposed
water supply system for the subdivision is from groundwater source, a written report
submitted by the subdivider demonstrating that the proposed source is sufficient in
terms of quality, quantity and dependability for the type of subdivision proposed.
S
C. The proposed disposal of water not consumed, including water obtained under
permits, storm drainage, dewatering, sewage and other wastewater sources;
D. A delineation of primary sources of water, secondary sources, and occasional or
seasonal sources;
E. Graphic location of all water supply sources including wells, raw water intakes,
treatment facilities, treated water storage facilities and ponds;
F. Documentation of all data sources on the occurrence and availability of surface and
groundwater;
G. Historic stream flows and well levels;
H. Senior water rights;
I. Flood damage and flood protection;
J. Impact of and protection from supply shortages.
C. Where individual on-lot wells are proposed as the water supply system, a report submitted by the
subdivider demonstrating the safety and adequacy of the water supply system shall address, at a
minimum, the following:
1) The estimated total number of gallons per day for the subdivision.
2) Information relative to the potential availability and quality of groundwater proposed within
the subdivision which may consist of new data, existing data on other working wells in the area,
or other data, including drilling logs, from a test well drilled within the proposed subdivision
indicating soil types, depth, quantity and quality of water produced in the test well.
3) Documentation that the proposed water supply system will be compatible with and not
adversely affected by the sewage system proposed for the subdivision or any other sources of
pollution within a reasonable distance;
4) List of all surface and groundwater rights which will be used or which may be affected,
including state engineer application and permit numbers, and description of expected effects;
and
5) Plans for the mitigation of water right conflicts resulting from the use of water within the
proposed subdivision.
D. Where the individual on-lot wells are proposed, the words "NO PROPOSED CENTRAL WATER SUPPLY
SYSTEM", in bold capital letters shall appear on all offers, solicitations, advertisements, contracts,
agreements and plats relating to the subdivision.
E. A plan, a copy of which was submitted to and approved by the state engineer prior to the final
approval of the subdivision application, for the distribution of the water rights appurtenant to the land
to be subdivided. The plan shall specify the distribution of the water to the lots within the subdivision
and shall include appropriate applications for change of use, change of place of use or change in point
of diversion or means of conveyance in accordance with W.S. 41-3-103, 41-3-104, or 41-3-114; and
F. If the subdivision is located within an irrigation district or within lands, served by a ditch, irrigation
company, or association or by an unorganized ditch, evidence that the plan has been submitted to
the district board company, or association, or the remaining appropriators in the case of an
unorganized ditch for their review and recommendations.
APPENDIX D
MAJOR SUBDIVISION - FINAL PLAT
Application Form
APPLICATION INSTRUCTIONS
This is an application for a major subdivision on the parcel of land described hereon. By completing the
application form and providing the other requested information, your application will be acted upon in the
fastest, fairest manner prescribed by law. Citizens are encouraged to discuss their application with an
appropriate member of the Development Department. All applications must be complete.
THE FOLLOWING SHALL BE SUBMITTED:
1) A completed application form. Answer all portions and type or print your answers. Attach additional pages,
if needed.
2) A final plat. Please submit eight (8) full size (24" X 36") and one reproducible 11" X 17" copy. The final plat
must be signed by the owner and mortgagee, if any.
3) Eight (8) copies of any covenants proposed by the developer.
4) Eight (8) copies of the following, when applicable:
A. Homeowner's association documents, Improvement and Service District papers, maintenance bonds,
special agreements, escrow funds, approvals from ditch companies, WYDOT, cities and towns, or
others that are involved. All documents are to be in a form acceptable to the County Attorney and
the Board.
B. When any road or driveway will intersect with a state highway or county road, and approved and
signed copy of the state highway or county road access permits shall be submitted.
C. When a subdivision road or easement must cross other private property or public property, a copy of
appropriate road dedication, easement, or equivalent document shall be submitted.
D. Subdivision Development Agreement (see Appendix R) and any other agreements or contracts to
assure construction of required improvements and maintenance.
E. When applicable, warranties deed to Natrona County conveying to the County all public lands other
roads shown on the plat.
5. Evidence satisfactory to the board that the subdivider has adequate financial resources to develop and
complete any facility proposed or represented to be the responsibility of the subdivider, including but not
limited to water systems, sewage systems, roads and roadways. The applicant shall provide a performance
bond, acceptable letter of credit or other sufficient financial commitment to assure that any facilities
proposed or represented to be part of the subdivision shall in fact be completed as proposed.
6. Legal notice fees and the County Surveyor fees shall be reimbursed prior to the recording of the Subdivision
plat. In cases where the Subdivision is not approved, withdrawn, or not recorded, the applicant is still
responsible for the reimbursement of these fees.
Applicant Name:
Applicant Address:
Applicant Phone:
Owner Name:
Owner Address:
Owner Phone:
Explain why you are requesting this major subdivision and detail the proposed use:
Legal description, acreage, and Parcel Identification number (PID) (if within a platted subdivision, give
subdivision name, block and lot number. If not within a platted subdivision, give quarter-section, section,
township and range).
Current zoning of property:
Type of sewage disposal
Public
Septic
Holding Tank
Other
Source of Water:
This property was purchased from:
The date this property was purchased:
I (We) hereby certify that I (We) have read and examined this application and know the same to be true and
correct to the best of my (our) knowledge. Granting this request does not presume to give authority to
violate or cancel the provisions of any other State or local laws. Falsification or misrepresentation is
grounds for voiding this request, if granted. All information within, attached to or submitted with this
application shall become part of the public record. I (We) further understand that all application fees are
non-refundable.
Applicant:
Date:
(Signature)
Print Name:
Owner:
Date:
Print Name:
(Signature)
Initials
I (We) are aware that the Legal notice fees and the County Surveyor fees must be reimbursed to the
Development Department prior to the recording of the Subdivision plat. In the event that the
Subdivision is not approved, withdrawn, or not recorded, we are still responsible for the County
Surveyor fees.
APPENDIX K
FINAL PLAT CONTENTS
1) The plat shall, be prepared and certification made as to its accuracy by a Professional Land Surveyor licensed
in the State of Wyoming. The plat shall be properly sealed and signed as per Wyoming requirements. A
poorly drawn or illegible plat is sufficient cause for its rejection.
2) The plat shall be delineated in black drawing ink on mylar at size of 24 inches high by 36 inches wide, or such
other size as approved by the County Development Department. The perimeter survey description of the
proposed subdivision shall include at least one tie to an existing section monument of record and a
description of monuments.
3) The bearings, distances, and curve data of all perimeter boundary lines shall be indicated outside the
boundary line, with the lot dimensions. When the plat is bounded by an irregular shoreline or a body of
water, the bearings and distances of closing meander traverse should be given and a notation made that the
plat includes all land to the centerline of the stream.
4) All blocks and all lots within each block shall be consecutively numbered.
5) On curved boundaries and all curves on the plat, sufficient data shall be given to enable the reestablishment
of the curves on the ground. This curve data shall include the following for circular curves: 1) radius of the
curve; 2) central angle; 3) arc length; 4) chord bearing and chord distance; 5) notation of non-tangent curves.
6) At least two north/east state plane coordinates shall be provided for the control points in the submitted final
plat. If obtainable, one of the tie points should be a section, quarter or quarter/quarter corner monument
with its coordinates shown.
7) Provide the convergence angle and combine factor for these points referenced on the plat.
8) Excepted parcels shall be marked "not a part" and the boundary completely indicated by bearings and
distances.
9) All roads and sidewalks and alleys shall be designated as such and roads shall be named, bearings and
dimensions must be given. All easements shall be designated as such and bearings and dimensions given.
10) All dimensions of irregularly shaped lots shall be indicated in each lot.
11) Bearings and lengths shall be given for all lot lines, except bearings and lengths need not be given for
interior lot lines where the bearing and length are the same as those of both end lot lines.
12) Parcels not contiguous shall not be included in one plat, nor shall more than one plat be made on the same
sheet. Contiguous parcels owned by different parties may be embraced in one plat.
13) Lengths shall be shown to hundredths of a foot, and angles and bearings shall be shown to twenty seconds
of arc.
14) The information on the plat shall include:
A. Name of the subdivision, relative North arrow and date;
B. Name of owner or owners of record;
C. Total acreage of subdivision and total number of lots or tracts;
D. Township, range, section, principal meridian, block and lot numbers;
E. Graphic scale-the drawing shall be made at a scale of 1" = 100' of less. Where lot size is greater than 5
acres a scale of 1" = 200' may be used;
F. Acreage to nearest one-hundredth acre of each lot or tract.
G. Floodplain information, in accordance with Natrona County regulations
15) A written certification of a licensed Wyoming engineer certifying to the adequacy and safety of the
domestic water source intended to be used for the subdivision, and that the plan for domestic water supply
meets county, state, and federal standards. If no domestic water source is proposed by the subdivider, the
legend "NO PROPOSED DOMESTIC WATER SOURCE" in bold capital letters shall appear on all offers,
solicitations, plats, advertisement, contracts, and agreements, relating to the subdivision.
16) Written certification of a licensed Wyoming engineer, certifying as to the adequacy and safety of the
sewage disposal system proposed for the subdivision, including adequacy of the proposed system in
relation to the topography of the subdivision, the proposed population density, soil conditions, and water
sheds located on or draining into or over the proposed subdivision. If no public sewage disposal system is
proposed by the subdivider, the words "NO PROPOSED PUBLIC SEWAGE DISPOSAL SYSTEM" in bold capital
letters shall appear on all, offers, solicitations, plats, advertisements, contracts, and agreements, relating to
the subdivision.
17) Evidence satisfactory to the Commission that access has been provided and that all proposed roads, alleys,
and roadways within the subdivision conform to the minimum standards adopted by the Board of County
Commissioners (BOCC) and applied uniformly throughout the county which shall not in itself constitute
consent of the Board of County Commissioners (BOCC) to locate, repair, or maintain roadways and facilities.
If however, the subdivider proposed to make any roads, alleys, or roadways private, the subdivider shall
submit to the Board of County Commissioners (BOCC) properly acknowledged written certification that
certain roads, alleys, or roadways within the subdivision shall remain private and the Board of County
Commissioners (BOCC) shall be under no obligation to repair, maintain, or accept any dedication of such
roads to the public use.
If no such public maintenance is contemplated, the subdivider shall put a legend on the plat of the
subdivision, on the advertisements of the subdivision and on the contracts or agreements for the sale and
purchase of lots within the subdivision showing the roads, alleys and roadways showing in bold capital
letters "NO PUBLIC MAINTENANCE OF ROADS - NATRONA COUNTY NOT REPSONSIBLE FOR MAINTENANCE
OF SUBDIVISION ROADS".
APPENDIX I
DIGITAL DATA SUBMISSION STANDARDS
Natrona County will leverage the increased use of digital mapping in public and private organizations to
facilitate the development of more efficient and accurate digital records. This effort will ultimately improve the
efficiency of data collection and reduce duplication among different departments.
In addition to standard paper documents, digital files relating to any submission will accompany each
document/plan submitted to Natrona County. Computer Aided Design (CAD) or Geographic Information
System (GIS) data submission is required for Major and Simple Subdivisions, Records of Survey and Major Land
Divisions. The digital files described below must accompany any other County requirements. To expedite the
review of digital submissions, the County requests applicable data to be delivered in a GIS format following the
County GIS data schema. To obtain a copy of the County GIS data template contact the Natrona County GIS
Department.
In the event the applicant submitting development information to Natrona County considers that compliance
with this digital submittal will create a hardship, the applicant may submit a written appeal to the County
Planner. Upon receipt of the appeal, the County Planner has ten (10) days to review and provide a written
response to the applicant.
General Requirements:
1) The files shall be named according to the plan name with the extension .dwg for CAD type, .shp (plus
related files) for shapefile, and .gdb for File geodatabases.
Example:
1.1 Tract Map: i.e. Springhill.dwg, .shp, or .gdb
1.2 Improvement Plan: i.e. Casper III.dwg, .shp, or .gdb
2) All plans shall follow the specification outlined in this Appendix I. In addition, the following format
shall be designated for each document submittal:
2.1 Final Maps, Parcel Maps, and Subdivision Plats:
2.1.1 Files of the entire map submittal area
2.1.2 Layer descriptions as outlined in Appendix I
2.2 Site Plans:
2.2.1 File(s) of the entire map submittal area
2.2.2 Layer descriptions as outlined in Appendix I
3) Consultants/Surveyors shall use the Natrona County coordinate system. Table coordinates are not
acceptable. The County's current coordinate system is:
3.1 Horizontal Control: State Plane Wyoming East Central Zone NAD 1983/86
3.1.1 Linear units shall be US Survey Feet.
3.1.2 Reference Epoch must be defined.
3.2 Vertical Coordinate System: North American Vertical Datum of 1988 (NAVD88)
4) All elevation points shall be delivered in either an ESRI (.shp), ESRI (.gdb), CAD (.dwg) or as a single
comma-delimited ASCII text file. Each line of the file shall contain values for a single point utilizing the
the coordinate system referenced in Appendix U following the specified format: Easting, Northing,
Elevation, and Location Description/Code.
5) A minimum of two control points shall be included on all submitted plats. Each control point will
include Northing, Easting, Elevation, Convergence Angle and Combined Factor values. Public Land
Survey System (PLSS) monuments are desirable, but not required.
6) CAD files shall be submitted in ".dwg", or as ESRI shapefiles (.shp) or geodatabase (.gdb) and be
compatible with the Country's current GIS software.
6.1 File Naming Conventions: the files shall be named according to the plan name with the
appropriate CAD (.dwg) or GIS (.shp or .gdb) extension.
6.2 All CAD (.dwg) deliverables are to be submitted in the CAD template provided by Natrona
County. Applicants may obtain a copy of the Natrona County CAD template by visiting the
County website.
6.3 All GIS (.shp or .gdb) deliverables are to be submitted in the template provided by Natrona
County. Applicants may obtain a copy of the Natrona County GIS template by visiting the
County website.
7) GIS data shall also include metadata created conforming with the standards specified by The Federal
Geographic Data Committee and in PDF or a txt based file format. Refer to the following document
published by the FGDC to obtain information concerning what sections and fields are required to be
populated: http://www.fgdc.gov/metadata/documents/MetadataQuickGuide.pdf
8) A digital (pdf) lot closure report that included information on lots, blocks, street centerlines, and
boundaries shall be submitted with each plat submission.
9) Data shall be digitally submitted via CD or DVD media. The submitted transfer media shall be labeled
with the project name (subdivision name, or accepted job name, etc.) acreage and filing date.
10) The submitting party will be responsible for correcting any errors and delivering the new correct
digital file prior to final plat approval.
Digital drawings shall be submitted with the original application, in addition to, any subsequent submissions
requiring modification of the original data. Original data submission, modifications thereof, and final form
approval of the plat, must include the following:
1) The submitted digital file shall contain the following features: subdivision boundary lines, lot lines,
easement lines, ROW, the point-of-beginning and at least one other control point. Street center lines
are preferred but not required. See Appendix I: Layering Template
2) Drawing features (subdivision lines, lot lines, easements, ROW, street center lines and control points)
shall be named and layered separately to facilitate GIS extraction. As appropriate, each record
representing a point or line should be consistently labeled with different names in the Layer field.
Layer field values such as TIE POINT, LOT LINE, R-O-W, STREET CENTERLINE and SUBDIVISION
BOUNDARY would be acceptable. See Appendix I: Layering Template
3) Lot easement, and subdivision boundary shall either be a closed polyline or be composed of single
lines. All lot, easement, and boundary lines shall be broken by vertices only at line intersections,
bearing changes or the start and finish of curves.
4) All street centerlines and easement lines can only be broken where the object starts or ends. There
must not be gaps in continuous lines.
5) All line lengths shall represent true length. All elements in the drawing shall reside in the correct
coordinate system as described in General Requirements of this appendix.
6) CAD blocks may not cause gaps in any line or polyline when exported to one of the specified file
formats.
7) Closure is critical in converting CAD elements to GIS features. All polygon features (i.e. parcel
boundaries) shall be 'snapped' to close and polyline features shall be 'snapped' to connect to each
other.
8) Drawing text must only be located in a separate annotation layer. Annotation should include text
showing bearing and direction of each line segment, curve descriptions (radius, arc length, delta,
chord direction, and chord length) and lot and block numbers.
Feature Dataset Feature Class Sub Type Feature Type Layer Description CAD Layer Name
Parcel-Ownership
Administrative Boundaries City Limits Polyline/Polygon Municipal Boundaries B-CORPORATE-BOUNDARY
Parks Polyline/Polygon Park Boundaries B-PARK-BOUNDARY
GCDB Coordinates Point Coordinate Values and Representative Tic Marks
Monument Point Monument Markers G-SURVEY-MONUMENT
Tie Line Line Tie Line to Control Point G-SURVEY-TIE
Flood Flood Polyline/Polygon 100 Year Flood Lines H-FLOOD-LINE
Floodway Polyline/Polygon Floodway Lines H-FLOODWAY-LINE
Streams Polyline/Polygon Watercourse H-STREAM-CENTERLINE
Thalweg Polyline/Polygon Watercourse Thalwegs H-STREAM-THALWEG
Subdivision Boundary Lines Polyline The boundary line of a subdivision S-SUBDIVISION-BOUNDARY
Parcel Polygon The ownership polygon S-SUBDIVISION-PARCEL
Platted Polygon A polygon encompassing the entire subdivision area
Lots Polyline/Polygon
Interior lot lines; individual polygons per each lot
description (Each Lot Must Be A Closed Polygon)
S-SUBDIVISION-LOT
ROW Polyline/Polygon ROW Lines (ROW Must be Closed Polygons) S-SUBDIVISION-ROW
ROWCenterLn Polyline Center Line of ROW
S-SUBDIVISION-ROW-
CENTERLINE
Easements Polyline/Polygon Public and Private Easements, Setbacks S-SUBDIVISION-EASEMENT
StreetCenterLn Polyline Street Centerline
S-SUBDIVISION-ROAD-
CENTERLINE
Annotation
Annotation SurveyTXT Text Survey Point Text
Dimension Text All Plat Dimensions
Acreage Text Total Acreage, Total Lot Acreage, Total ROW Acreage
Base Text North Arrow, Scale, etc...
PlatTXT Text Plat text (i.e. Title, Preamble, Declarations, etc...)
LotTXT Text Lot Numbers and Additional Associated Lot Text
Dimension Text All Plat Dimensions
FloodTXT Text Floodplain Text
EasementTXT Text Easement Text
MonTXT Text Monument Text
CoordTXT Text Coordinate Text
Address
Buildings Building Footprint Polyline/Polygon Building Footprint A-BLDG-FPRT
Utilities
Sewer Point Septic Tank Point Septic Tank Location C-SSWR-SEPTIC-TANK
WaterPointMisc Well Point Water Well Location C-WTRPT-WELL
Appendix I Layering
Format of Data for Digital Submittal (Check One):
CAD (.DWG) format (Versions up to 2010)
CAD (.DWG) format (Versions up to 2010)
CAD (.DWG) format (Versions up to 2010)
Basis of Bearings and Coordinate Reference
Horizontal Control: NAD 1983/86 State Plane Wyoming East Central FIPS 4902 Feet
Vertical Control: North American Vertical Datum of 1988 (NAVD 88)
Data Layering Requirements
Final Maps, Parcel Maps, and
Subdivision Plats
Site Plans
File of the entire map
submittal area
Layers description file/sheet
Media Information Requirements
Drawing No:
Project Name/No:
Submission Type:
Date:
/
/
Type of Drawing:
Draft
Preliminary
Draft
Company:
Contact Name:
Telephone No:
Email Address:
Submittal Number
File Number:
GIS Ancillary Data
Metadata (.XML)
Data Model (.PDF)
Note: The Digital Submittal Checklist must be turned in along with the digital drawing to complete the submittal
process.
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Completed 6 August 2020

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