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Drinking Water Requirements for States and Public Water Systems

State Resources for Implementing Drinking Water Rules

Water Supply Guidance (WSG)

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

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

Microbial contaminants

Right-to-know rules

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