USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Harris County, Texas

Hydrologic Unit Code 12040101

Latitude 29°54'58", Longitude 95°08'28" NAD27

Drainage area 2,828 square miles

Contributing drainage area 2,828 square miles

Gage datum 0.0 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1993-06-24	2017-08-30	25

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

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2025-07-08 17:46:57 EDT
0.29 0.28 nadww01