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

State Standards in Effect for CWA Purposes

• [See Section 1: Water Quality Regulation ]
  (Effective March 7, 2018) Surface Water and Ground Water Classifications and Standards.
  Note: These regulations contain additional provisions related to groundwater that are outside the scope of the Clean Water Act and the implementing federal regulations, but are included here as supplementary information.  Please note that not all provisions are effective for Clean Water Act purposes (see cover page for more information).
• [See Section 2: Division of Water Technical and Operational Guidance (1.1.1) ]
  This document provides a compilation of ambient water quality guidance values and groundwater effluent limitations for use where there are no standards or regulatory effluent limitations.
• [See Section 3: Division of Water Technical and Operational Guidance (1.1.3) ]
  This document provides the technical reference for the calculation of a site-specific standard or guidance value for the protection of aquatic life.
• [See Section 4: Division of Water Technical and Operation Guidance (1.1.4) ]
  This document provides detailed procedures for the derivation of Bioaccumulation Factors.
• [See Section 5: Division of Water Technical and Operation Guidance (1.1.5) ]
  This document provides detailed procedures for deriving ambient water quality standards and guidance values for the protection of wildlife.
• [See Section 6: Division of Water Technical and Operation Guidance (1.3.1) ]
  New York State Provisions for Mixing Zones.
• [See Section 7: Division of Water Technical and Operation Guidance (1.3.9) ]
  This document provides supplementary guidance associated with the implementation of the NYSDEC 1985 Antidegradation Policy.
• [See Section 8: Amendment to the National Pollutant Discharge Elimination System ]
  This MOA ensures that variances granted under 6NYCRR Part 702.17 are consistent and as protective as those which would be issued under the Great Lakes Water Quality Guidance.
• [See Section 9: Water Quality Antidegradation Policy ]
  This document presents the policy by which the Department of Environmental Conservation (DEC) protects water quality against degradation.
• New York State Water Classifications 6NYCRR Parts 800-941 Exit
  The classifications of all water body segments in New York State are contained in 6NYCRR Parts 800-941. These classifications are descriptive designations assigned under state regulations to all waters in the State, defining the best way each body of water can be used. The classification is the legal basis for water quality protection programs.
  Effective dates for these classifications (for Clean Water Act purposes) are documented in [See EPA review of New York State Water Classifications 6NYCRR Parts 800-941 ]

Federally Proposed or Promulgated Standards

• 40 CFR § 132 - Water Quality Guidance for the Great Lakes System

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• Section 1: Water Quality Regulation (PDF)(130 pp, 569 K)
• Section 2: Division of Water Technical and Operational Guidance (1.1.1) (PDF)(129 pp, 4 MB)
• Section 3: Division of Water Technical and Operational Guidance (1.1.3) (PDF)(4 pp, 147 K)
• Section 4: Division of Water Technical and Operation Guidance (1.1.4) (PDF)(19 pp, 542 K)
• Section 5: Division of Water Technical and Operation Guidance (1.1.5) (PDF)(13 pp, 435 K)
• Section 6: Division of Water Technical and Operation Guidance (1.3.1) (PDF)(7 pp, 339 K)
• Section 7: Division of Water Technical and Operation Guidance (1.3.9) (PDF)(10 pp, 531 K)
• Section 8: Amendment to the National Pollutant Discharge Elimination System (PDF)(4 pp, 207 K)
• Section 9: Water Quality Antidegradation Policy (PDF)(6 pp, 271 K)
• EPA review of New York State Water Classifications 6NYCRR Parts 800-941 (PDF)(12 pp, 151 K)