USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

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District Of Columbia, Dist. of Columbia

Hydrologic Unit Code 020700100102

Latitude 38°58'21.0", Longitude 77°02'24.0" NAD83

Drainage area 62.2 square miles

Gage datum 148.15 feet above NAVD88

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

Page Contact Information: Maryland Water Data Support Team
Page Last Modified: 2026-01-30 02:03:46 EST
1.51 1.38 sdww01

01648000 ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC