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.

Available data for this site

Baltimore County, Maryland

Hydrologic Unit Code 020600030404

Latitude 39°30'38.8", Longitude 76°40'35.4" NAD83

Drainage area 59.8 square miles

Gage datum 262.09 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: 2025-12-03 16:29:05 EST
1.17 1.01 vaww01

01583500 WESTERN RUN AT WESTERN RUN, MD