HAWQS is a web-based interactive water quantity and quality modeling system that provides users with interactive web interfaces and maps; pre-loaded input data; outputs that include tables, charts, graphs and raw output data; and a user guide.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- HAWQS Flyer v1.0 (PDF)(2 pp, 2 MB)