- Register Site Click here to register a new IOWATER site.
- Submit Data Click here to submit chemical, physical or biological data to the IOWATER database.
- View Data Click here to view IOWATER data. The database is searchable by site, county, water body or by volunteer.
Get UTMs Click here to determine the monitoring location for your site.
Water Monitoring Atlas
Water Monitoring Atlas is a searchable map that allows users to view and download data for IOWATER and professional water monitoring sites along with other environmental data such as wastewater treatment facilities, impaired waters, watershed boundaries, confined animal feeding operations, and much more.
Find and download the DNR's professional monitoring data for rivers, streams, lakes, wetlands in the STORET database. You can search by waterbody, site, date, and pollutant.