TEXAS WATER SCIENCE CENTER - GEOSPATIAL SCIENCE AND CYBER INNOVATION BRANCH

Water-Quality Monitoring on Lake Houston

Released: April 2018

Audience: General public, partner agencies, municipalities, water treatment facility operators

Base Data: USGS Water Data for the Nation

Link: https://webapps.usgs.gov/lake_houston

Press: USGS News Release

Real-time water-quality, streamflow and water height information for Lake Houston and the surrounding San Jacinto watershed are now available from a new web application from the U.S. Geological Survey, done in cooperation with the City of Houston.

Lake Houston is the primary drinking-water source for Houston, Texas. Real-time data are required to evaluate the effects of watershed influences, such as land-use change and storm events, on Lake Houston water quality. These data will help water treatment facility operators make informed decisions about adjusting treatment methods in response to changing water-quality conditions.

Real-time measurements are updated hourly and visualizations are accessible from 40 USGS observation stations, which collect a combination of lake, stream, groundwater well, precipitation and water-quality data. The map viewer includes supporting data layers, such as current and forecasted weather conditions and hazard warnings. Users can view seven real-time water-quality observation stations: four located on streams that flow into, and three within, Lake Houston. The continuous water-quality monitoring stations are located in urbanized and rural parts of the watershed and measure various parameters such as turbidity, pH and others.