USGS Site Map for USGS 14023000 MCKAY RESERVOIR NEAR PENDLETON,OREG. x

Umatilla County, Oregon

Hydrologic Unit Code 17070103

Latitude 45°36'28", Longitude 118°47'30" NAD27

Drainage area 186 square miles

Gage datum 0.16 feet above NGVD29

Location of the site in Oregon

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U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Inventory for USA: Site Map
URL: https://waterdata.usgs.gov/nwis/nwismap?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2026-01-30 17:45:27 EST
0.29 0.27 caww01