Final 2004 List of Impaired Surface Waters [303(d) List] and Integrated Assessment of Water Quality In Maryland

Maryland's 2004 Section 303(d) List

The final 2004 Integrated 303(d) List is presented below.  The document includes all pertinent background information as well as the statutory authority for the Integrated List (Chapters 1-6); the Integrated List sorted by listing category or the part of the list on which a water body belongs (Chapter 7); and,  the appendices.  This document includes everything you need to know about Maryland’s 2004 Integrated 303(d) List, its methodology and scope.   If you have any further questions regarding the List, please email us at Matthew.Stover@maryland.gov.

Background Information and Statutory Authority for the 2004 Integrated 303(d) List

All files below are in .pdf format.

303(d) List and Integrated Assessment of Water Quality in Maryland

All files below are in .pdf format.

  • Section 7.1 - Category 2 of the 2004 303(d) Integrated List - includes surface waters that are meeting some standards and have insufficient information to determine attainment of other standards.
  • Section 7.2 - Category 3 of the 2004 303(d) Integrated List - includes surface waters that have insufficient quantity (Category 3a) or quality (Category 3b) data and information to determine waterbody  attainment status.
  • Section 7.3 - Category 4a of the 2004 Integrated 303(d) List - includes surface waters that are still impaired but have a TMDL that has been completed or submitted to EPA.
  • Section 7.4 - Category 4b of the 2004 Integrated 303(d) List - includes surface waters impaired for one or more water quality standards but not needing a TMDL because other pollution control requirements are reasonably expected to result in the attainment of water quality standards on the near future.
  • Section 7.5 - Category 5 of the 2004 Integrated 303(d) List - historically known as the 303(d) List and includes waterbodies that may require a TMDL.
  • Section 7.6 - Category 6 of the 2004 Integrated 303(d) List - includes surface waters that have been de-listed or removed from the current 2004 List of Impaired Surface Waters.

Appendices