An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Guidance Documents Managed by the Office of Water

This page displays a list of all documents managed by the Office of Water and designated as guidance documentsHelpGuidance DocumentsAgency statements of general applicability, intended to have future effects on the behavior of regulated parties, that set forth a policy on a statutory, regulatory, or technical issue, or an interpretation of a statute or regulation, with some exceptions as detailed in E.O. 13891, Section 2(b).  EPA's guidance documents lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract. The agency may not cite, use, or rely on any guidance that is not posted on this website, except to establish historical facts.

Searchable list of the EPA’s guidance documents related to water issues

Office of Water's active guidance documents have been consolidated into the searchable list below as related to the Clean Water Act (CWA), Safe Drinking Water Act (SDWA), and Marine Protection, Research and Sanctuaries Act (MPRSA).

Guidance documents are those issued by the EPA that inform the public how EPA interprets an underlying statute and its regulations, and includes but are not limited to memorandums, policy statements, handbooks and manuals, as well as documents formally titled as guidance. Guidance documents that have been superseded with newer guidance are not included.