This page has been integrated into the main Iowa Department of Natural Resources’ website, found at www.iowadnr.gov. If you used a “bookmark” or “favorites” link in your Web browser and were taken to this page, please take a moment to change your bookmark to reflect the new URL of the page.
You should be able to find the information you are seeking at the following URL: http://www.iowadnr.gov/Environment/WaterQuality/WaterMonitoring/MonitoringPrograms/Biological.aspx
We apologize for any inconvenience.