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More than 3,700 named streams and rivers flow across more than 80,000 miles of the Texas landscape.

Lake/River Data

To find out more about water levels and rain measurement in your area of the Trinity River basin, please use the interactive map

Data displayed are automatically retrieved from remote sensors, are subject to revision and may be linked to various other available monitoring systems.  Real-time data relayed by satellite or other telemetry are automatically screened to withhold improbable values until they can be verified.  Provisional data may be inaccurate due to instrument malfunctions or physical changes at the measurement site.  Subsequent review based on field inspections and measurements may result in significant revisions to the data.

Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences.  Information concerning the accuracy and appropriate uses of these data or concerning other hydrologic data may be obtained from the U.S. Geological Survey (USGS).  TRA assumes no responsibility for the accuracy of these data points.