USGS Site Map for USGS 12085000 ALDER RESERVOIR AT ALDER, WA x

Thurston County, Washington

Hydrologic Unit Code 17110015

Latitude 46°48'09", Longitude 122°18'37" NAD27

Drainage area 286 square miles

Gage datum 3.91 feet above NAVD88

Location of the site in Washington

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

Page Contact Information: Washington Water Data Maintainer
Page Last Modified: 2025-09-19 16:59:21 EDT
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