Ordinance Text
8-13D-9-29: WATER SUPPLY:
A water infrastructure extension agreement to provide Hidden Springs potable water is in place between United Water Idaho, Inc. (United Water), and Hidden Springs. Water transmission, storage and the first phase of the water distribution facilities have been built, tested and are available for service.
Lots greater than two and a half (2.5) acres located north of the power lines will be served from individual wells, subject to approval by the required jurisdictional agencies.
Water Supply Requirements - South of Power Lines: The average demand is estimated at approximately 0.275 million gallons per day (mgd) or about two hundred (200) gallons per minute (gpm). This demand is equivalent to a withdrawal of three hundred (300) acre-feet. Approximately forty (40) to forty five percent (45%) (135 acre-feet) of this annual usage will be consumptively used by irrigation, with the remainder returning to the aquifer as recharge from the subsurface wastewater treatment system. The peak day demand is estimated at 1.4 mgd, or approximately one thousand (1,000) gpm.
Sources: Existing system extension. An agreement has been reached with United Water Company to supply water to the project from this source, a booster pump station would be built at the storage reservoir, and a water main extended to the project area. A second storage reservoir on the north side of the summit between Seaman's Gulch and Dry Creek provides gravity service to the water system described in the following section.
Water Supply Requirements - North of Power Lines: The average demand for an individual home varies with occupancy. Estimates are based on the number of bedrooms within the home.
Sources: Individual wells on each lot will be the source of water for domestic and irrigation uses.
One Hundred Twenty Acre Annexation Area: United Water has agreed that the annexation area is serviceable as approved by the Idaho public utilities Commission. United Water will supply water to Hidden Springs from United Water's existing source supply through the new transmission facilities. The annexation area has been reduced to ninety-seven (97) acres due to the transfer of twenty-three (23) acres to the Cartwright Ranch planned community in 2007.
Conclusion: It is anticipated that the development of Hidden Springs will not negatively impact groundwater supply in the vicinity.
(Ord. 1002, 10-28-2025)
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boisestandard.org · municipal corpus
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bs-aml-ada-1229cf664f0e3c40
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boisestandard.org
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Ada County, Idaho — United States
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Ada County
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Ada County
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Nearby Sections
8-13D-9-24: TRAFFIC STRATEGY:8-13D-9-25: TRIP REDUCTION STRATEGY:8-13D-9-26: OPEN SPACE AND TRAILS STRATEGY:8-13D-9-27: WILDLIFE PREVENTION STRATEGY:8-13D-9-28: WILDLIFE STRATEGY:8-13D-9-29: WATER SUPPLY:8-13D-9-30: WATER SYSTEM:8-13D-9-31: WATER QUALITY MANAGEMENT:8-13D-9-32: WATER CONSERVATION:8-13D-9-33: SEWER SYSTEM:8-13D-9-34: STORM DRAINAGE SYSTEM:8-13D-9-35: SHERIFF, FIRE AND EMERGENCY MEDIC8-13D-9-36: LANDSCAPE STRATEGY:8-13D-9-37: ESSENTIAL PUBLIC SERVICES AND ANT8-13D-9-38: ZONING MAP:
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