Identifier

GNIS Feature ID 361423

Location

State Hawaii

County Honolulu

Feature Class Reservoir

Coordinates

DMS

21°29'32"N 157°58'12"W

Decimal Degrees

21.4921667, -157.969923

Elevation

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USGS 7.5′ Quad Map

Quad Name Waipahu

Order Printed Topo Map – MyTopo

Protected Areas

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Nearest Populated Place

Wahiawā

3.4 mi WNW

Also Known As

Koolau Reservoir Koolau Reservoir

Hydrography

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Koʻolau Reservoir is a reservoir located in Honolulu County, Hawaii. It appears on the Waipahu USGS 7.5-minute topographic quadrangle. The nearest populated place is Wahiawā, approximately 3.4 miles to the WNW.

Nearby Features

Schofield Barracks East Range Military · 0.6 mi NE
Koʻolau Ditch Canal · 0.8 mi ENE
Ku Tree Reservoir Reservoir · 0.8 mi NW
Wakakalaua Ammunition Storage Tunnel Military · 1.0 mi SW
East Pump Reservoir Reservoir · 1.5 mi W
Mililani Mauka Census Designated Place Census · 2.0 mi SW
Puʻukamana Summit · 2.5 mi SE
Naval Computer and Telecommunications Area Master Station Pacific Military · 2.8 mi NW
Waikakalaua Ditch Canal · 3.1 mi WSW
Wahiawā Census Designated Place Census · 3.1 mi WNW