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GW Law Library
Research Guides

Clean Water Act (CWA)

A guide to the federal Clean Water Act (CWA).

Proposed & Final Regulations

Codified (Current) Regulations

Regulatory History

EPA Policy/Guidance

Policy documents represent EPA's official interpretation or view of specific issues.  

Guidance documents are published to further clarify regulations and to assist in the implementation of environmental regulations.

Army Corps of Engineers Policy/Guidance

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