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Maryland State Government Maryland Department of the Environment

Fact Sheets and Guidance Documents for Public Water Systems

Fact sheets and compliance information are provided to assist water systems with the implementation of the Rules.  A complete list of the current rules with links to the associated fact sheets and guidance manuals is provided below:  

Public Drinking Water Rules

Arsenic Rule 

Consumer Confidence Report Rule

Disinfectant Residuals, Disinfection Byproducts, and Disinfection Byproduct Precursors: Stage 1 Disinfection Byproduct Rule and Stage 2 Disinfection Byproduct Rule

Ground Water Rule

Lead and Copper Rules

Phase II and V Chemical Rules (Nitrate, Inorganic, Volatile Organic, and Synthetic Organic) 

Public Notification Rule

Radionuclides Rule

Surface Water Treatment Rules : Interim Enhanced Surface Water Treatment Rule Long Term 1 Enhanced Surface Water Treatment Rule, and  Long Term 2 Enhanced Surface Water Treatment Rule

Total Coliform Rule

Unregulated Contaminant Monitoring Rule

Click here for Public Water System Forms


For More Information

For more information contact the Water Supply Program at 410-537-3702 or

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