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.

HDWS diversion on Kohākōhau Stream Hawai‘i Department of Water Supply diversion intake at Kohākōhau Stream.
HDWS diversion on Waikoloa Stream at Marine Dame Hawai‘i Department of Water Supply diversion intake (Marine Dam) on Waikoloa Stream.
Wai‘ula‘ula Stream abv Ka‘ahumanu Hwy Wai‘ula‘ula Stream above Ka‘ahumanu Highway

Instream Flow Standard

Location / Notes
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

Apr 18, 2024

The Commission staff held a Public Fact Gathering Meeting at the Waimea Community Center.

Mar. 27, 2024

Notice of Public Fact Gathering Meeting – Instream Flow Standard Assessment Report for the Hydrologic Unit of Waikoloa (8161)

Waimea Community Center
65-1260 Kawaihae Roda
Waimea, HI 96743
5:30 p.m. to 7:30 p.m.

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”

Dec. 15, 2023

Revised Draft of Instream Flow Standard Assessment Report for Waikoloa.