An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Impaired Waters and TMDLs

Lake Champlain BATHTUB Model Quality Assurance

This technical memorandum describes the results of an internal (Tetra Tech) quality assurance review of the Lake Champlain BATHTUB modeling following model calibration. (TetraTech, 2014a)

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