Drinking Water Management
Following are useful links to various topics relating to drinking water regulations, standards & resources.
Chapter 109 and Drinking Water Standards
Pennsylvania Drinking Water Standards Applicable to Public Drinking Water Systems
Maximum Contaminant Levels, Maximum Residual Disinfectant Levels, and Treatment Technique Requirements fact sheet (3930-FS-DEP5286)
This fact sheet includes a description of all regulatory maximum contaminant levels (MCLs), maximum residual disinfectant levels (MRDLs), and treatment technique (TT) requirements.
One Hour Reporting Violations or Situations:
Additional Drinking Water Resources
For more drinking water resources, go to
Drinking Water Source Protection
Water Resources Planning and Management