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.

303857097401401 ZK-58-19-806

Williamson County, Texas

Hydrologic Unit Code 12070205

Latitude 30°38'57", Longitude 97°40'14" NAD83

Spring discharges from the Edwards-Trinity aquifer system (S500EDRTRN) national aquifer.

Spring discharges from the Edwards and Associated Limestones (218EDRDA) local aquifer.

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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: 2026-01-03 17:15:59 EST
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