Water Quality

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• Water Quality Planner ListServ

• Water Quality Planning ListServ

• Connecticut Water Quality Action Plans

• The Housatonic River and Polychlorinated Biphenyls

• Phosphorus Reduction Strategy for Inland Non-tidal Waters

  Phosphorus Reduction Strategy for Inland Non-tidal Waters

• Presentations, Comments and Summaries from two PA 12-155 Public Meetings

• Connecticut Water Quality Standards 2011 Revisions

• Archive Previous IWQR Cycles

• Water Quality Classification Maps

  Water Quality Classification Maps by Town.

• Water Quality Standards and Classification

  The Connecticut Water Quality Standards establish the water quality goals of Connecticut's waterbodies and form the foundation of Connecticut's water management programs.

• 2013 Proposed Water Quality Standards Regulations

  Previous (2013) proposed changes to the Connecticut Water Quality Standards.

• Proposed Water Quality Standards

  Proposed amendments to Connecticut’s Water Quality Standards 2009.

• 2019 Triennial Review of the Connecticut Water Quality Standards

• Triennial Review of the Connecticut Water Quality Standards

  Topics under Consideration for Revision within the WQS Regulations 2025

• Phosphorus PA12-155 Coordinating Committee and Workgroup Proceedings