An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Chesapeake Bay TMDL

Memorandum from Secretary Tayloe Murphy

On April 25, 2003, Secretary Tayloe Murphy sent a memorandum to the Chesapeake Bay Program Principals' Staff Committee (PSC). The memorandum summarized the comprehensive set of agreements made by Chesapeake Bay watershed partners with regard to cap loads for nitrogen, phosphorus and sediment. It also addressed new Bay-wide and local submerged aquatic vegetation (SAV) restoration goals and a commitment to reevaluate the allocations in 2007.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.