2020 IDNR Impaired Waters List and Public Comment Opportunity
61% of rivers and streams are listed as impairedEvery two years, as required under the Clean Water Act, the Iowa Department of Natural Resources (IDNR) submits a list of impaired waterways in the state. These rivers, streams, lakes, reservoirs, and wetlands are listed as impaired if they do not meet the state’s water quality (WQ) standards for their intended use and need a water quality improvement plan. … Read more