Integrated Report Files
To receive important 303(d) or TMDL announcements, please go to the Modeling and Assessment homepage and fill out the listserv subscription form. Integrated Report 303(d) 305(b) Files
2024
Supplemental 303(d) List Information
- 2024 303(d) Listing and Delisting Methodology (EMC Approved 9/8/2022)
- Notice for Public Comment (Closes April 26, 2024)
Integrated Report
2022
Supplemental 303(d) List Information
- Notice for Public Comment (Closed February 28, 2022)
- Comments Received - Response to Comments
- EPA Approval of the 2022 303(d) List Decision Document
- 2022 303(d) Listing and Delisting Methodology (EMC Approved 5/13/2021)
Integrated Report
- 2022 Final Integrated Report
- Maps: 2022 Integrated Report Dashboard | AGOL Feature Service | Shapefile Download
- 2022 Integrated Report Monitoring Data (upon request)
Third Party Data Submittals (Submittal window closed June 30, 2021)
- Guidance
- Data received from:
- Charlotte Mecklenburg Stormwater Services (Tier 3)
- UNC Institute of Marine Science (Tier 2/Tier 3)
- NCSU Center for Applied Aquatic Ecology (Tier2/Tier3)
- New River Conservancy (Tier 1/Tier2)
2020
Supplemental 303(d) List Information
- 2020 303(d) Listing and Delisting Methodology (EMC Approved 11/14/2019)
- Notice for Public Comment (Closed April 2, 2021)
- Comments Received
- Response to Comments
- EPA Approval of the 2020 303(d) List Decision Document
Integrated Report
- 2020 Final Integrated Report
- 2020 Integrated Report Data
- 2020 Integrated Report Map
- 2020 Integrated Report Category Assignment Procedure
2018
Supplemental 303(d) List Information
- 2018 303(d) Listing and Delisting Methodology PDF | Word (EMC Approved 3/8/2018)
- Notice for Public Comment (Closed 1/18/19)
- Comments Received
- Response to Comments
- EPA Approval of the 2018 303(d) List
Integrated Report
- 2018 Final Integrated Report
- 2018 Integrated Report Data (.zip file)
- 2018 Online Integrated Report Map
- 2018 Integrated Report Category Assignment Procedure
2016
Supplemental 303(d) List Information
- 2016 303(d) Listing Methodology (EMC approved May 2015)
- Modernizing Water Quality Assessment Method for Toxics
- Public Comments Received
- DWR Responses to Comments
EPA Approval
- EPA Partial Approval of the NC 2016 303(d) List
- EPA Public Notice: EPA Decision to Add 72 Waterbody-Pollutant Combinations to North Carolina's 2016 Section 303(d) List (12/15/16)
- EMC comments on EPA Public Notice (2/14/17)
- DWR comments on EPA Public Notice (2/15/17)
Integrated Report
2014
Supplemental 303(d) List Information
- 2014 303(d) Listing Methodology
- How to read the 303(d) list
- 303(d) List by County
- 303(d) List by Municipality
- 2014 Category 5 Assessment Units GIS layer
- Online Map
- Public Comments Received
- DWR Responses to Comments
- Comments from NC Environmental Management Commission to EPA
EPA Approval
Integrated Report
- 2014 Integrated Report
- Water Quality Assessment Process
- How to Read the Integrated Report
- Online Integrated Report Map
2012
- 2012 Final 303(d) list
- 2012 Integrated Report
- 2012 Assessment Methodology
- EPA Partial Approval of the NC 2012 303(d) List
- GIS Layers:
2010
- 2010 Final 303(d) list
- 2010 Integrated Report
- Assessment Methodology
- Responsiveness Summaries
- 2010 Integrated Report GIS layer (52 MB Zip file)
- 2010 Integrated Reporting Category Definitions
- EPA Approval of the 2010 303(d) List
2008
- 2008 Final 303(d) list with IR category 4 waters (impaired waters list)
- Assessment Methodology
- Responsiveness Summaries
- 2008 Integrated Reporting GIS Layer (46 MB)
- EPA Approval of the 2008 303(d) List
2006
2004
2002
2000
1998
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