Monitoring and Mapping

To identify and evaluate the sources of pollutants to CRWD’s lakes, wetlands and the Mississippi River, CRWD staff conduct a program of stormwater quality monitoring and other scientific assessments that establish a basis for designing and implementing water quality improvement solutions.

Water Quality and Flow Monitoring
Stormwater Best Management Practices (BMPs)
Biological Monitoring



CRWD’s monitoring data is now available online through the Water Data Reporting Tool (wDRT). View and download historical and up-to-date data collected from CRWD’s comprehensive network of monitoring stations, including results for stormwater, BMPs, lakes, wetlands, and more. Available data includes:

  • Discharge
  • Water levels
  • Water quality
  • Statistical outputs
  • …and more!

CRWD’s monitoring data is now available online!