Clean Water Act Section 303(d) Lists and EPA's Role
Learn about the Clean Water Act Section 303(d) lists, the role of the EPA, and the process of identifying waters that need restoration plans, including TMDL development. Explore the 2014 and 2016 updates and the interaction between states and the EPA in managing water quality standards.
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Presentation Transcript
Update on 303(d) List Cam McNutt DWR Modeling and Assessment Branch July 2014 WQC
Background Clean Water Act Section 303(d) Requires states to develop list and TMDLs 303(d) list identifies waters that Do not meet water quality standards, and Require development of total maximum daily load (TMDL) or other restoration plan EMC July 2014
Background DWR submitted NC s 2014 303(d) list to EPA March 31, 2014 Package included Proposed list Justification of method change De-listed waters Public comments and DWR responses Prioritization for TMDL development EMC July 2014
EPA Role EPA must approve or disapprove 303(d) list EPA determines whether any waters should be added to state s proposed 303(d) list Based on state s water quality standards In 2012, EPA added one listing EMC July 2014
EPA Role For 2014, EPA expected to add 52 waters DWR de-listed using new methodology EPA does not concur Partial approval expected for list as submitted EPA process for listing additional waters includes public comment period EMC July 2014
2016 303(d) List Process Listing methods out for public review and comment June-July 2014 EPA action on NC s 2014 list EPA issues guidance for 2016 lists DWR prepares recommendations for changes based on comments and EPA action DWR presents proposed 2016 listing methods to EMC for approval November 2014 EMC July 2014
2016 303(d) List Process Data preparation and assessment January July 2015 DWR review August November 2015 303(d) list public review and comment January March 2016 Submit list to EPA for approval by April 1, 2016 40 CFR 130.7 EMC July 2014
