USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

Knox County, Texas

Hydrologic Unit Code 12060101

Latitude 33°29'33", Longitude 99°46'09" NAD83

Spring discharges from the Seymour aquifer (N100SYMOUR) national aquifer.

Spring discharges from the Seymour Formation (112SYMR) local aquifer.

**Period of record**
Begin Date	End Date	Count
1957-02-10	1957-02-10	1

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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: Texas Water Data Support Team
Page Last Modified: 2025-09-07 19:04:54 EDT
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