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Chesapeake Bay Watershed Implementation Plan (WIP) Phase III


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 III Watershed Implementation Plan to meet the new requirements that result from this
Mid-point Assessment is shown in the table below.

U.S. Environmental Protection Agency’s Interim Expectations for the Phase III Watershed Implementation Plans

Deliverable   Deadline
 EPA releases draft expectations for Phase III WIP  January 1, 2017
 Final Calibration of Watershed Model  December, 2017
 Local Area Targets Recommendations  March 1, 2017
 Partnership fatal flaw review of Phase VI Watershed Model  Summer, 2017
 Release of final Phase VI Model  June 2017
 EPA releases draft Phase III Planning Targets  December, 2017
 EPA releases final expectation for Phase III WIP  March 2018
 EPA releases final Phase III Planning Targets  May, 2018
 Draft Phase III WIPs due to EPA  March, 2019
 Final Phase III WIPs due to EPA  June 7, 2019



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