Water Quality Standards Regulations: Puerto Rico

Presented below are water quality standards in effect for Clean Water Act (CWA) purposes for this territory.

EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. Also, for each document listed under "Territory Standards in Effect for CWA Purposes", EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes.

On this page:

Territory Standards in Effect for CWA Purposes


Federally Proposed or Promulgated Standards

Top of Page

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.