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Phase III Watershed Implementation Plans

The Chesapeake Bay Program has begun the Mid-point Assessment of the Total Maximum Daily Load (TMDL) established by the US Environmental Protection Agency in 2010, per the Bay Agreement.  Schedule for completion of this Assessment and the development of a revised Phase 3 Watershed Implementation Plan (WIP) to meet the new requirements that result from this Mid-point Assessment is shown below.


The Steering Committee’s next meeting will be held on May 8 from 1:00 to 4:00 pm at the Rachel Carson State Office Building. The meeting is open to the public. Register here to listen in via webinar.  

The Chesapeake Bay Phase 3 WIP stakeholder process began with a meeting of the Steering Committee on April 3 at the Rachel Carson State Office Building in Harrisburg. 

Deliverable Deadline



EPA Releases Draft Expectation for Phase 3 WIPs
January 1, 2017
Final Calibration of Watershed Model January through March, 2017
Local Area Targets recommendations March 1, 2017
Partnership fatal flaw review of Phase 6 Watershed Model March-May, 2017
EPA releases final expectation for Phase 3 WIP April 2017
Release of final Phase 6 Model June 2017
EPA releases draft Phase 3 Planning Targets June 2017
EPA releases final Phase 3 Planning Targets December 2017
Draft Phase 3 WIPs due to EPA August 2018
EPA feedback on draft Phase 3 WIPs October 2018
Final Phase 3 WIPs due to EPA December 2018