Under National Pollutant Discharge Elimination System permit number MT-0030767, the City of Hardin, Montana to authorized to discharge from its lagoon system for the water treatment plant wastewater located in Big Horn County, Montana, to the Bighorn River.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- MT-0030767 City of Hardin WTP Permit (PDF)(14 pp, 426 K, March 1, 2017)
- MT-0030767 City of Hardin WTP Statement of Basis (PDF)(8 pp, 799 K, August 25, 2016)