Contains information for public water systems under the Surface Water Treatment Rule (SWTR), Filter Backwash Recycling Rule, Interim Enhanced SWTR (IESWTR), Long Term 1 Enhanced SWTR (LT1ESWTR) and Long Term 2 Enhanced SWTR (LT2).
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- SWTR Fact Sheet - EPA Region 8 (PDF)(10 pp, 306 K, 04/12/2019)