The Chesapeake Bay TMDL 2017 Midpoint Assessment aims to streamline implementation of the Bay TMDL, Phase I and Phase II Watershed Implementation Plans, two-year milestones, and make challenges to implementation more understandable for the Chesapeake Bay Program partnership. This website provides information, supporting documentation, and associated work products on the 14 primary Midpoint Assessment priorities. It also provides a link to the midpoint assessment priority schedule and schedule adjustments.

Stormwater retrofits are a diverse group of practices that provide pollution reduction from existing development that is either currently untreated or is inadequately treated by an existing stormwater practice.  Retrofits work by temporarily capturing polluted runoff, reducing flow and improving water quality treatment through physical and biological processes.  Examples of retrofits include wet ponds, swales, permeable pavement, and bioretention.