Archive Previous IWQR Cycles

Previous CT Integrated Water Quality Reports

Below is a list of archived reports published prior to the most current report.

Connecticut Integrated Water Quality Report 2022 FINAL Documents

IWQR 2022 Received Comments

Exhibit	Submitted By
1	Paul Aresta, Council On Environmental Quality
2	Alicea Charamut, Rivers Alliance of Connecticut
3	Jean Pillo, Eastern Connecticut Conservation District
4	Patrick Kearny, Manchester Water and Sewer Department

Connecticut Integrated Water Quality Report 2020 FINAL Documents

2020 IWQR Factsheet
Final 2020 Connecticut Integrated Water Quality Report
Final 2020 Appendix A-1 Connecticut 305b Assessment Results for Rivers and Streams
Final 2020 Appendix A-2 Connecticut 305b Assessment Results for Lakes
Final 2020 Appendix A-3 Connecticut 305b Assessment Results for Estuaries
Final 2020 Appendix A-4 Site Specific Fish Consumption Advisories
Final 2020 Appendix B-1 List of Impaired Waters for Connecticut (EPA Category 5)
Final 2020 Appendix B-2 Waterbodies with Adopted TMDLs (EPA Category 4a)
Final 2020 Appendix B-3 Pollution Control Measures for Waterbody Segments (EPA Category 4b)
Final 2020 Appendix B-4 Nonpollutant Impairments (EPA Category 4c)
Final 2020 Appendix B-5 Reconciliation List of Impaired Waters (Delistings and Listings)
Final 2020 Appendix C-1 Priority List of Waters for Action Plan Development
Final 2020 Appendix C-2 IWRM Comments and Responses
2020 IWQR Response to Comments
2020 Public Meeting Presentation Slides
2020 IWQR Meeting Recording:
Access Password: 6y&&d+p#

Connecticut Integrated Water Quality Report 2018 FINAL Documents

2018 IWQR Factsheet
2018 CT Integrated Water Quality Report
2018 CT IWQR Appendix A-1 Connecticut 305b Assessment Results for Rivers and Streams
2018 CT IWQR Appendix A-2 Connecticut 305b Assessment Results for Lakes
2018 CT IWQR Appendix A-3 Connecticut 305b Assessment Results for Estuaries
2018 CT IWQR Appendix A-4 Site Specific Fish Consumption Advisories
2018 CT IWQR Appendix A-5 A Method to Identify Total Phosphorus as a Cause of Aquatic Life Impairment in Connecticut Freshwater High Gradient Non-Tidal Streams
2018 CT IWQR Appendix B-1 List of Impaired Waters for Connecticut (EPA Category 5)
2018 CT IWQR Appendix B-2 Waterbodies with Adopted TMDLs (EPA Category 4a)
2018 CT IWQR Appendix B-3 Pollution Control Measures for Waterbody Segments (EPA Category 4b)
2018 CT IWQR Appendix B-4 Nonpollutant Impairments (EPA Category 4c)
2018 CT IWQR Appendix B-5 Reconciliation List of Impaired Waters (Delistings and Listings)
2018 CT IWQR Appendix C-1 Priority List of Waters for Action Plan Development
2018 CT IWQR Appendix C-2 List of Waters for Action Plan Development by 2022
2018 CT IWQR Appendix C-3 Alternative Approaches to Restoring and Protecting Water Quality
2018 public comments received

Connecticut Integrated Water Quality Report 2016 FINAL Documents

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Content last updated August 19, 2025

Connecticut Department of Energy & Environmental Protection