- Texas Clean Rivers Program: Data, Forms, and Map Resources
- Surface water quality data, monitoring sites, data management procedures, maps, and GIS data related to surface water quality.
- Sampling Data Query, Surface Water Quality Monitoring
- This page includes queries for accessing surface water quality monitoring data in Texas.
- Monitoring Parameter Descriptions, Surface Water Quality Monitoring
- Monitoring parameter codes are 5-digit numbers that indicate the constituent (analyte) sampled and the units of measurement.