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Monitoring and Reporting for Groundwater Systems

Monitoring and reporting that you must do to confirm that your system is providing safe drinking water.

Chlorine Dioxide
If you public water system uses chlorine dioxide (CLO2), run chlorine dioxide analysis and record the results.  

Groundwater Rule
The Texas Commission on Environmental Quality has adopted the Groundwater Rule to improve your drinking water quality and provide additional protection from disease-causing microorganisms.

Public Water System Chemical Sampling and Monitoring Frequency
Basic information for public water systems about sampling and monitoring requirements.