IndianaMapThe Water Quality Portal (WQP) is the premiere source of discrete water-quality data in the United States and beyond. This cooperative service integrates publicly available water-quality data from the United States Geological Survey (USGS), the Environmental Protection Agency (EPA), and over 400 state, federal, tribal, and local agencies. Learn More Most attributes in this dataset are related to each station's characteristics - this data can be joined to a variety of historic sampling and testing information available on waterqualitydata.us. Users can also explore more information about each site and monitoring history by clicking on either of the URLs at the end of the attribute table or pop-up for each point. Per waterqualitydata.us: Data from the NWIS (USGS) was last updated on 9/28/2023. Data from Stewards (ARS) was last updated on 10/30/2022. Data from WQX (EPA) was last updated on 9/28/2023.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/57b2a166bac74a52ad04c46a63905270_9engIndianaMapPublicNational Water Quality Portal Sites 2023 [Indiana]Web servicesIndiana2023