IFS: 8161 – Waikoloa, Hawai‘i
Instream Flow Standard: Hydrologic Unit of Waikoloa (8161)
The Commission on Water Resource Management is developing a proposal to amend the interim instream flow standard(s) for the surface water hydrologic unit of Waikoloa, Hawai‘i. Please review the Draft Instream Flow Standard Assessment Report for Waikoloa (Information Updates Section below) and provide comments to the Commission staff.
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Hawai‘i Department of Water Supply diversion intake at Kohākōhau Stream. |
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Hawai‘i Department of Water Supply diversion intake (Marine Dam) on Waikoloa Stream. |
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Wai‘ula‘ula Stream above Ka‘ahumanu Highway |
Instream Flow Standard
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CFS
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MGD
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Location / Notes
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| N/A | N/A | The interim instream flow standard for all streams on Hawai‘i, as adopted by the commission on water resource management on June 15, 1988, shall be that amount of water flowing in each stream on the effective date of this standard, and as that flow may naturally vary throughout the year and from year to year without further amounts of water being diverted offstream through new or expanded diversions, and under the stream conditions existing on the effective date of the standard. The current interim IFS became effective on October 8, 1988. |
Gaging (Non-Realtime Station)
Gaging (Reference Stations)
Information Updates
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Date
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Action
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| Apr 18, 2024 |
The Commission staff held a Public Fact Gathering Meeting at the Waimea Community Center.
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| Mar. 27, 2024 |
Waimea Community Center |
| Mar. 19, 2024 |
The Commission heard an informational briefing on the “Summary of Hydrologic Conditions, Instream Values, and Surface Water Uses in the Surface Water Hydrologic Unit of Waikoloa (8161), Hawai‘i Island”
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| Dec. 15, 2023 |
Revised Draft of Instream Flow Standard Assessment Report for Waikoloa. |
References
- Herschler and Randolph Consulting Engineers. (1962). Hamakua-Kohala HHFA 701 Planning Project, County of Hawaii, State of Hawaii: Draft Report on Water Supply, Drainage, and Sewage and Waste Disposal.
- U.S. Department of Agriculture, Soils Conservation Service. (1989). Watershed Plan and Environmental Assessment, Waimea-Paauilo Watershed, Hawaii County, Hawaii. Prepared in cooperation with State of Hawaii, Department of Land and Natural Resources, Department of Hawaiian Home Lands, Department of Agriculture, Mauna Kea Soil and Water Conservation District. Honolulu, Hawaii.
- Waimea Water Services. (2001). Hydrogeologic Study of the Waimea High-Level Ground Water. Prepared for the County of Hawaii Department of Water Supply.