USGS Surface Water for California: Streamflow Measurements

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Streamflow Measurements for California

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11049400 SANTA ANA R AB SEVEN OAKS DAM

San Bernardino County, California

Hydrologic Unit Code 18070203

Latitude 34°08'34", Longitude 117°04'07" NAD27

Drainage area 200 square miles

Contributing drainage area 167 square miles

Gage datum 2,540 feet above NGVD29

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for California: Streamflow Measurements
URL: https://waterdata.usgs.gov/ca/nwis/measurements?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-09-10 01:48:50 EDT
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