IWQIS screenshot of homepage, a map of iowa with water quality monitor dots

The Iowa Water Quality Information System allows access to real-time water quality data and information such as nitrate, pH, and dissolved oxygen concentrations, discharge rates, and temperature.

Key IWQIS Resources

A view of half the state, showing where water quality sensors are

Water Quality Sensors

Image showing Iowa City and surrounding area on a map, highlighting water quality conditions at the sensors

Water Quality Conditions

A screenshot of Cedar Rapids and surrounding area, highlighting where stream sensors are

Stream Sensors

About

Tools & Features

Frequently Asked Questions

Data Requests

Contact IWQIS

If you have questions about water quality or the projects and programs of the Iowa Nutrient Research Center, please contact:

Marty St. Clair

Martin St. Clair

Research Engineer

martin-stclair@uiowa.edu
Phone: (319) 335-1482

If you have technical questions, suggestions, or issues related to IWQIS, please contact:

Not pictured

Jerry Mount

IWQIS Data Admin and System Manager

jerry-mount@uiowa.edu