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U.S. Environmental Protection Agency MS-4 stormwater regulatory requirements prompted our founding in 2005. Since our founding, the goal of the Iowa Stormwater Management Partnership (ISWEP) is twofold: Support compliant and effective local stormwater management programs with unified education and outreach delivered statewide.


The majority of MS-4 cities and universities in Iowa are members of the organization. Numerous non MS-4 cities have found ISWEP valuable in developing their stormwater management programs. And we are also supported by professional consultant and engineering firms.

Non-Profit Organization

In January of 2016 the Iowa Stormwater Education Parternship became a registered 501(c)(3) non-profit organization.

Pat Sauer, Executive Director

Pat is a Certified Professional Soil Scientist and Certified Professional of Erosion and Sediment Control (CPESC). She directs the ISWEP program, oversees the Educational Toolbox Program for MS-4 and education members, organizes and conducts training events, and is involved with the Iowa Stormwater Management Manual Technical Committee.

Noah Truesdell, Resource, Communications, and Training Coordinator

Noah joined ISWEP in 2021. He develops educational materials, coordinates training programs, and works with eastern Iowa member cities on new programming. Before ISWEP he was a Program Manager with River Action.