The developer shall submit a written application for the preliminary plat to the Administrator and shall include at a minimum the following:
A. Copies Of Preliminary Plat: Two (2) copies and one digital copy of the Preliminary Plat (each copy shall have dimensions of not less than eighteen inches by twenty four inches (18" x 24") and shall be drawn to a scale to ensure the clarity of all lines, bearings, and dimensions. The Preliminary Plat shall include:
1. The name of the proposed subdivision.
2. The names, addresses and telephone numbers of the developer, owner and surveyor who prepared the plat.
3. The legal description of the subdivision by section, township and range; reference by dimension and bearing to a section corner or quarter section corner.
4. The intended use of the proposed subdivision, such as: residential single-family, commercial, recreational or agricultural, etc.
5. Each copy shall have a north arrow and date of preparation including dates or any subsequent revisions.
6. If the proposed subdivision is part of a larger area intended for development, a Development Master Plan of the entire area shall be provided. If the proposed subdivision will be developed in phases/divisions, the phase/division lines must be identified on the preliminary plat. All phases/divisions must progress in an orderly fashion and shall share a contiguous parcel boundary.
7. Include a vicinity map drawn at an appropriate scale clearly showing the relationship of the proposed site to the surrounding area within a one-mile radius, including adjacent subdivisions, main arterial routes, collector streets, etc.
8. The existing zoning of the subdivision and the adjacent land.
9. The approximate acreage of the proposed subdivision and the number of proposed lots.
10. Boundaries of the tract to be subdivided shall show dimensions for roadway centerlines, lot lines and blocks including curve data to scale and numbers of each lot and block.
11. Streets, street names, rights-of-way and roadway widths, including adjoining streets, roadways or railroads and, if applicable, of the water, sewer, sidewalks and other required public facilities. A private road, as allowed in a planned unit development (PUD), commercial or industrial subdivision, must be a separate lot. These drawings are not meant to be cross sections or detailed designs, but shall contain sufficient information to enable the commission to make a determination as to conformance with the standards and regulations in this chapter.
12. Appropriate details for any special development areas in the proposed plat, such as hillside, planned unit development, floodplain, nitrogen priority area, riparian area, wetlands, and wildlife migration routes as defined by the appropriate state or federal regulatory agency, large scale development or any other pertinent features, areas or types of development.
13. Contour lines shown at a minimum of two-foot (2') intervals and shall be shown on the preliminary plat map which shows the proposed subdivision layout. Where land slope is greater than ten percent (10%), show contour lines at ten-foot (10') contour intervals.
14. Any proposed or existing utilities, including, but not limited to, gas lines, power lines, fiber lines, water and sewer lines, wells, septic systems, and how storm water will be retained and/or disposed of within a proposed and depicted drainage system area.
15. Show the location and distance of all existing wells and individual septic system on each lot. When requested by the Administrator, the Plat shall also show the location of wells and individual septic systems on adjacent parcel(s)/lot(s) wells outside of the subdivision to verify the proposed subdivision lots have sufficient capability to meet the required distances from the utility system to the proposed lot(s) for utility future development.
16. Plat must include the location and distance of the nearest Municipal/community water and sewer services.
17. All proposed easements will be shown on the plat, including location, width, and use. New easement(s) providing ingress/egress access within a subdivision shall only provide access to the lots within the subdivision, unless specifically approved by the Board of County Commissioners.
18. Any existing irrigation canals, private ditches, ridges, culverts, water mains, lakes, streams, or natural waterways, direction of flow, or drainage area.
19. For a plat of ten (10) lots or more being one-half (1/2) acre or less in size, must provide open space, playground or recreational area to a minimum of one-fourth (0.25) acre per every ten (10) lots.
B. Supplemental Information for Application Submission:
1. Recorded vesting deed for the subject parcel proposed for development to verify ownership;
2. A Narrative statement that contains the following information:
a. Existing use of the land, zoning of the proposed subdivision, and adjacent properties;
b. Intended use of the proposed subdivision, such as: residential single-family, commercial, recreational or agricultural, etc.
c. Indicate if the proposed development is in a floodplain designated area and if so, pertinent information as required by 44 CFR §60.3 - Floodplain management for flood-prone areas,
d. Evaluating effects of proposed subdivision on adjoining properties;
e. General compatibility with other properties and uses;
f. Compliance with the Comprehensive Plan
3. A Subdivision Guarantee from a title company for the applicable subdivision boundary prepared within a timeframe no longer than three (3) months prior to the subdivision application date and may be required to renew prior to Final Plat if deemed appropriate by the Administrator.
4. USDA Soil Resource Report;
5. Idaho Department of Water Resources Well Log Report within one mile of the proposed development;
6. Any other applicable report or supplemental information as requested by the Administrator.
C. Proposed Utility Methods:
1. Sewage: It shall be the responsibility of the developer to furnish a statement as to the type of proposed sanitary sewage facilities, which shall appear on the preliminary plat.
a. If individual septic systems are proposed, and if the nearest municipal/community sewer is within 1,320 feet of the proposed subdivision boundary, the application shall be accompanied by an estimate, prepared by a licensed engineer, attesting to the anticipated cost to connect to said service for consideration of connection feasibility. A request for a feasibility study may also be directed by the Planning and Zoning Commission and/or the Board if the distance is greater than 1,320 feet.
b. If a community/municipal/district sewer connection or system is proposed, verification that an adequate developable wastewater system exists, or will be established to provide service for the subdivision shall be submitted with the application.
2. Water Supply: It shall be the responsibility of the developer to provide a statement as to the type of proposed water supply facilities, which shall appear on the preliminary plat.
a. If individual wells are proposed, and if the nearest municipal/community water is within 1,320 feet of the proposed subdivision boundary, the application shall be accompanied by an estimate, prepared by a licensed engineer, attesting to the anticipated cost to connect to said service for consideration of connection feasibility. A request for a feasibility study may also be directed by the Planning and Zoning Commission and/or the Board if the distance is greater than 1,320 feet.
b. If an existing individual well is proposed to be shared, a statement from a licensed well contractor shall be provided affirming the well has the capability and capacity to serve all proposed users shall be submitted with the application.
c. If a community well is proposed, verification that an adequate capacity exists and that water service will be provided to the subdivision shall be submitted with the application.
3. Stormwater Retention/Disposal: It shall be the responsibility of the developer to provide a statement as to how stormwater will be retained/disposed of, which will appear on the preliminary plat. For centralized or shared stormwater retention (ponds, swales, underground detention, etc.), the developer shall furnish the Planning and Zoning Department a stormwater drainage plan which depicts the areas where stormwater is planned for retention/disposal. The site grading design, calculations and any proposed stormwater system details shall be included in the Construction Plans.
4. Irrigation System: When applicable, it shall be the responsibility of the developer to provide a statement as to how irrigation water will be delivered to the subdivision consistent with Idaho Code Section 31-3805(1)(b).
a. All irrigation ditches within a subdivision zoned residential shall along the front of the subdivision and the front of each individual lot(s) have enclosed systems, unless an exception is granted by the Board.
b. All lots of one acre or less shall be provided irrigation through an underground tile or other like satisfactory underground conduit pursuant to Idaho Code Section 31-3805(1)(a).
c. Any improvements involving the distribution system of any irrigation district shall have the prior written approval of the affected irrigation district pursuant to Idaho Code Section 42- 1207. For lots greater than one acre, and in specific instances where the governing authority of the irrigation ditch, canal, lateral, or the down-stream water users provide written approval or denial of the conversion of an open system to an enclosed system, the Board of County Commissioners may consider allowing the open ditch system to exist in the proposed subdivision.
d. If water rights are currently associated with the land included within the proposed subdivision boundary, then irrigation must be provided to each lot.
e. The developer shall submit an irrigation and distribution system plan with the subdivision application that includes:
(1) if the method of irrigation water delivery is through an open or buried system;
(2) the location of irrigation pump (if applicable);
(3) an attestation by a licensed engineer irrigation professional, contractor and/or developer, that the design/size of pump is adequate to serve the number of proposed lots with the allotted water shares/water ownership, a copy of water stock shares or other certificate of water ownership;
(4) A copy of water stock shares or other certificate of water ownership.
f. Prior to Final Plat, the developer shall provide copies of the community association organization documents, which specifically identify the irrigation district/company and the operating plan or water users agreement to both the irrigation district/company and the Planning and Zoning Department when the subdivision is for three (3) lots or more.
5. Utility Easement: The utility easement width shall be a minimum of ten feet (10') from the exterior boundaries and five feet (5') from the interior boundaries.
1. Upon receipt of the preliminary plat and all other required data, the Administrator or designated agent shall certify the application as complete and shall affix the date of the application acceptance thereon.
2. The Administrator or designated agent shall transmit one copy of the preliminary plat and application to County departments and all other agencies as deemed necessary for review. The agencies may include, but are not limited to, the following:
e. Irrigation districts or canal company.
f. Other intergovernmental departments, (public works, etc.).
g. Adjacent Town sites or cities having an impact area agreement.
h. The Fort Hall Tribal Council.
i. And any other State or Federal agency deemed necessary.
3. The Administrator or designated agent shall prepare a staff report and place the preliminary plat and application on the commission agenda within a reasonable time not to exceed ninety (90) days from the date of acceptance.
1. The commission shall hold a public hearing to review the proposed subdivision plat.
2. The hearing and notice procedure shall comply with Idaho Code section 67-6509 being prior to granting a recommendation to the Board; at least one public hearing shall be held in conformance with chapter 3 of this title.
3. In determining the acceptance of the proposed subdivision, the commission shall consider the objectives of the ordinance and, at a minimum, the following:
a. Recommendations for conditions of approval that would minimize adverse conditions, if any.
b. The reasons for recommending the approval, conditional approval, modification or denial.
c. The proposed subdivision to be consistent with the Comprehensive Plan.
d. The availability and/or feasibility of public or private services to accommodate the proposed subdivision.
e. The public financial capability of supporting services for the proposed subdivision.
f. Any other health, safety, or environmental problems that may be brought to the commission's attention.
g. The recommendations of a City if the proposed development is located within a City impact area or within one mile of a City not having a valid impact area.
4. The commission may recommend approval, recommend conditional approval, recommend disapproval or table the preliminary plat for additional information. The commission shall set a time for any additional information to be reviewed.
5. Upon recommending, granting or denying a preliminary plat, the commission shall specify:
a. The ordinance sections and standards used in evaluating the application.
b. The reasons for approval or denial.
6. The Administrator shall forward a statement of the action taken and the reasons for such action and/or the commission minutes containing such action, together with a copy of the preliminary plat, to the Board for their information and review.
1. The Board shall set a date to review the preliminary plat and the commission decision within ninety (90) days from the date the Commissions decision is signed.
2. The Board shall review the preliminary plat, the written information presented to the commission, and the commission minutes or the statement of action taken, prior to making a determination on the proposed plat
3. The Board may approve , conditionally approve, or deny the decision of the commission on the proposed application. The Board may determine that more information is required and shall return the plat to the commission for a new hearing. Upon reaching a decision, the Board shall make written findings to specify the following:
a. The ordinance and standards used in evaluating the proposal.
b. The reasons for approval or denial.
c. If denied, what actions the applicant could have taken to obtain approval. (Ord. 2012-08, 10-9-2012, eff. 10-26-2012; amd. Ord. 2025-06, 6-11-2025)