State Standards in Effect for CWA Purposes
- [See Water Quality Regulations ]
(Effective February 26, 2020) These regulations establish water quality standards for the State's surface waters. Please note that some provisions in this document have not been approved by EPA and are therefore not in effect for CWA purposes. See the cover page for more information. - [See Combined Sewer Overflow Policy ]
This policy contains requirements and treatment technology standards to assure water quality standards are met for waters receiving combined sewer overflows.
Federally Proposed or Promulgated Standards
- 40 CFR §131.36 Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B)
- 40 CFR §131.41 Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A)
- Water Quality Regulations (PDF)(223 pp, 4 MB)
- Combined Sewer Overflow Policy (PDF)(28 pp, 2 MB)