• State Standards in Effect for CWA Purposes
• Federally Proposed or Promulgated Standards

State Standards in Effect for CWA Purposes

• [See Water Quality Regulations ]
  (Effective July 15, 2010) These regulations establish water quality standards for the State's surface waters.
• [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

• Final Water Quality Standards Bacteria Rule for Coastal and Great Lakes Recreation Waters (November 8, 2004)
• Withdrawal of Certain Federal Human Health and Aquatic Life Water Quality Criteria Applicable to Rhode Island, Vermont, the District of Columbia, Kansas and Idaho (April 12, 2000)
• Establishment of Numeric Criteria for Priority Toxic Pollutants; States' Compliance—Revision of Polychlorinated Biphenyls (PCBs) Criteria (November 1999)

• Water Quality Regulations (PDF)(150 pp, 2 MB)
• Combined Sewer Overflow Policy (PDF)(28 pp, 2 MB)