The City of Rexburg operates a wastewater treatment facility which treats domestic sewage from approximately 20,000 local residents of the City of Rexburg, Sugar City, and Teton, as well as from commercial establishments. The facility also treats local industrial waste. During the period from September 2006 to present, the facility has been discharging treated wastewater to the Teton River without authorization under the CWA. The compliance agreement requires the city to pay an administrative penalty of $30,000. The city has also submitted an application for an NPDES permit.