Water Supply Guidance (WSG)

The WSG is a compilation of policy decisions pertaining to implementation issues under the Safe Drinking Water Act.

• Public Water System Supervision Program WSG Manual

Drinking Water State Revolving Fund

The Drinking Water State Revolving Fund (DWSRF) program is a federal-state partnership to help ensure safe drinking water. Drinking water state revolving fund program guidance provides information to states.

Guidance documents by regulation:

Chemical contaminants

• Arsenic rule
• Chemical contaminant rules
• Lead and copper rule
• Radionuclides rule

Microbial contaminants

• Ground water rule
• Stage 1 and stage 2 disinfectants/disinfection byproducts rules
• Surface water treatment rules
• Total coliform rule/ revised total coliform rule

Right-to-know rules

• Consumer confidence reports
• Public notification rule

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