SWQA Publications

Other related materials

• Guidance for Submittal of Water Quality Data for Development of the 2024 303(d)/305(b) Intergraded Report

• EPA Approval of New Hampshire's 2020/2022, 303(d) List (March 14, 2022)
• NHDES’ Submittal Letter to EPA (February 18, 2022)
• 2020/2022 Consolidated Assessment and Listing Methodology (CALM)
• 2020/2022 303(d) List Content Introduction
  • Appendix A - 2020/2022 303(d)
  • Waters Removed from the 2018 303(d) List
  • Waters Added to the 2020/2022 303(d) List
  • Appendix B - New Hampshire's Long-term 303(d) Vision
  • Response to Comments on the Draft 303(d) List and CALM

Other related materials

• 2020/2022 Section 305(b) Surface Water Quality Report
• Technical Support Document for the Great Bay Estuary Aquatic Life Integrity Designated Use Assessments, 2020/2022 305(b) Report/303(d) List
• GIS Layers for the 2020/2022 Assessment
• Impairments Removed Since the 2018 305(b)
• Impairments Added to the 2020/2022 305(b)
• Surface Water Quality Assessment Viewer and Watershed Report Cards
• 2020/2022 Status of Each Assessment Unit
• Probabilistic Assessment of Lakes, Ponds and Reservoirs 2017-2019
• Oct. 27, 2020 Data Day Presentation
• EPA memo and milestone template to facilitate timely submission of the 2022 Section 303(d) and 305(b) integrated report (January 25, 2021)
• NHDES’ letter to EPA requesting consideration on the submittal of a combined 2020/2022 Integrated Report (April 12, 2021)
• EPA’s acceptance of NHDES’ request for submittal of a combined 2020/2022 Integrated Report (April 29, 2021)

• EPA Approval of New Hampshire's 2018, 303(d) List (February 25, 2020)
  • Map of 303(d) List Applicability
• 2018 Consolidated Assessment and Listing Methodology (CALM)
• 2018, 303(d) List Content Introduction
  • Appendix A.1 - 2018, 303(d) List
  • Appendix A.2 - Map of 303(d) Impaired Waters
  • Waters Removed Since the 2016 303(d) List
  • Waters Added to the 2018, 303(d) List
  • Appendix B – New Hampshire's Long-term 303(d) Vision
• Response to Comments on the Draft 303(d) List and CALM

Other related materials

• Technical Support Document for the Great Bay Estuary Aquatic Life Integrity Assessments, 2018 305(b) Report/303(d) List
• GIS Layers for the 2018 Assessment
• Impairments Removed Since the 2016 305(b)
• Impairments Added to the 2018 305(b)
• Surface Water Quality Mapper and Watershed Report Cards
• 2018, Status of Each Assessment Unit
• Probabilistic Assessment of Rivers and Streams 2013-2017
• NHDES' withdrawal of request to remove DO saturation impairments (December 13, 2019)
• NHDES' withdrawal of 24 assessment units from consideration in the 2018 303(d) list (January 17, 2020)

• EPA Partial Approval of New Hampshire's 2016, 303(d) List (June 22, 2018)
  • Map of 303(d) List Applicability
• 2016 Consolidated Assessment and Listing Methodology (CALM)
• 2016, 303(d) List Content Introduction
  • Appendix A.1 - 2016, 303(d) List
  • Appendix A.2 - 2016, 303(d)
  • Appendix A.3 - Map of 303(d) Impaired Waters 
  • Waters Removed from the 303(d) List
  • Waters Added to the 303(d) List Since 2014
  • Appendix B – New Hampshire's Long-term 303(d) Vision
• Response to Comments on the Draft 303(d) and CALM

Other related materials

• Technical Support Document for the Great Bay Estuary Aquatic Life Use Support Assessments, 2016 305(b) Report/303(d) List
• GIS Layers for the 2016 Assessment
• Impairments Removed Since the 2014 305(b)
• Impairments Added to the 2016 305(b)
• Surface Water Quality Mapper and Watershed Report Cards
• 2016 Status of Each Assessment Unit

• EPA Approval of New Hampshire's 2012, 303(d) List (September 24, 2015) 
• New Hampshire 2012 Section 305(b) and 303(d) Surface Water Quality Report 
  • Appendix 1: Methodology for Creating Assessment Units (AUs) 
  • Appendix 2: Nonpoint Source Management Reports
  • Appendix 3: NH Monitoring Strategy 
  • Appendix 4: Consolidated Assessment and Listing Methodology (CALM) 
  • Appendix 5: Technical Support Document Assessments of Aquatic Life Use Support in the Great Bay Estuary for Chlorophyll-a, Dissolved Oxygen, Water Clarity, Eelgrass Habitat, and Nitrogen 
  • Appendix 6: List of All Impaired Waters 
  • Appendix 7: Map of All Impaired Waters 
  • Appendix 8: Section 303(d) List of Impaired Waters 
  • Appendix 9: Map of Section 303(d) Impaired Waters 
  • Appendix 10: Waters Removed from the 2010 Section 303(d) List 
  • Appendix 11: Spreadsheet of Assessment Unit IDs 
  • Appendix 12: GIS Files of Assessment Unit IDs 
  • Appendix 13: Status of Each Estuarine Assessment Unit 
  • Appendix 14: Status of Each Impoundment Assessment Unit 
  • Appendix 15: Status of Each Lake/Pond Assessment Unit 
  • Appendix 16: Status of Each Ocean Assessment Unit 
  • Appendix 17: Status of Each River/Stream Assessment Unit in the Androscoggin Basin
  • Appendix 18: Status of Each River/Stream Assessment Unit in the Saco Basin 
  • Appendix 19: Status of Each River/Stream Assessment Unit in the Coastal Basin 
  • Appendix 20: Status of Each River/Stream Assessment Unit in the Merrimack Basin 
  • Appendix 21: Status of Each River/Stream Assessment Unit in the Connecticut Basin 
  • Appendix 22: Status of Each Assessment Unit 
  • Appendix 23: Probabilistic Assessment Details for Estuaries 
  • Appendix 24: Probabilistic Assessment Details for Rivers/Streams 
  • Appendix 25: Probabilistic Assessment Details for Lakes 
  • Appendix 26: Trend Reports for Lakes and Rivers 
  • Appendix 27: New Hampshire Fish Consumption Guidelines 
  • Appendix 28: Data Request – Public Notice and Guidance for Submitting Data 
  • Appendix 29: CALM – Public Notice and Guidance for Submitting Comments 
  • Appendix 30: CALM – Public Comments and NHDES Response 
  • Appendix 31: 303(d) – Public Notice and Guidance for Submitting Comments
  • Appendix 32: 303(d) List - Public Comments    
  • Appendix 33: 303(d) – NHDES Response to Public Comments 
  • Appendix 34: Substantive differences between the Draft and Final 2012 Section 303(d) List of Threatened or Impaired Waters
  • Appendix 35: Response to comments on the changes between the Draft and Final Section 303(d) List of Threatened or Impaired Waters 
  • Appendix 36: Benthic Index of Biological Integrity 
  • Appendix 37: Fish Indexes of Biotic Integrity 
    • Coldwater Indicator Fish Species Report 
    • Coldwater Fish Assemblage IBI 
    • Transitional Water Fish Assemblage IBI 
  • Appendix 38: Level 1 Landscape Level Wetlands Assessment (ver. 2) 
• Surface Water Quality Mapper and Watershed Report Cards 
   

• EPA Partial Approval of New Hampshire's 2014, 303(d) List (March 16, 2018)
• Consolidated Assessment and Listing Methodology (CALM)
  • Response to Comments on CALM
• 2014, 303(d) List Content Introduction
  • 2014, 303(d) List
  • Waters Removed Since the 2012 Section 303(d) List
  • Map of 303(d) Impaired Waters
• Response to Comments on the Draft Section 303(d) List of Threatened or Impaired Waters

Other related materials

• Technical Support Document for the Great Bay Estuary Aquatic Life Use Support Assessments, 2014 305(b) Report/303(d) List 
• 2014 Status of Each Assessment Unit
• Surface Water Quality Mapper and Watershed Report Cards
• GIS Layers for the 2014 Assessment
• Impairments Removed Since the 2012 305(b)
• Impairments Added to the 2014 305(b)/303(d)

• EPA Approval of New Hampshire's 2010, 303(d) List (September 7, 2011) 
• 2010 Consolidated Assessment and Listing Methodology (CALM) 
• 2010 303(d) List Content Introduction 
  • Appendix A – 2010, 303(d) List 
  • Appendix A – 2010, 303(d) List 
  • Map of 303(d) Impaired Waters 
  • Waters Removed from the 2008 Section 303(d) List 
• Response to Comments on the 2010 Draft 303(d) List 
• Response to Comments on the Draft 2010 CALM 

Other related materials

• GIS Layers for the 2010, 305(b)/303(d) List 
• Surface Water Quality Report Cards 
• 2010 List of All Impaired Waters 
   

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