NRGIS_iowadnrGeneral permit #1 for storm water discharges associated with industrial facilities in Iowa for the National Pollutant Discharge Elimination System (NPDES) program.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/27964c540d634f1cb4a6967126d6ff28_16engIowa GeodataPublicStormwater Industrial Facilities [Iowa]Web servicesIowaLast Modified: 2024-06-21