20221201 16164100 1.0 TRUE 150000000 5000 ItemDescription NPDES Dischargers Locations of permitted industries and municipalities that discharge or dispose of treated wastewater. <DIV STYLE="text-align:Left;"><DIV><P><SPAN>DEQ implements the National Pollutant Discharge Elimination System in Oklahoma. This layer provides the locations where DEQ has issued discharge permits for industries and municipalities that discharge or dispose of treated wastewater. Data set updated 06/14/2026</SPAN></P></DIV></DIV> OKDEQ ODEQ DEQ Oklahoma Department of Environmental Quality Water Quality 20260717