Home / About ISWEP / Members Members MS4 Cities Altoona Algona (non-MS4) Ames Ankeny Asbury Bettendorf Carter Lake Cedar Falls Cedar Rapids Clinton (non-MS4) Clive Coralville Davenport Des Moines Eldridge Ely Grimes Hiawatha Iowa City Johnston LeClaire Marion Marshalltown Muscatine (non-MS4) North Liberty Ottumwa Palo (non-MS4) Pleasant Hll Sergeant Bluff Sioux City Storm Lake Urbandale Waterloo West Branch (non-MS4) Universities Iowa State University University of Iowa Education Members Blackhawk SWCD Hartman Nature Center Johnson SWCD Linn County SWCD Polk SWCD Professional Members Apex Companies, LLC AP/M Permaform EOR Iowa, LLC Felsburg, Holt, & Ullevig Engineering HR Green JEO Consulting Group Nilles Associates RDG Planning & Design Robinson Engineering Shive-Hattery, Inc. Advanced Drainage Systems All Terrain Seeding Anderson - Bogert Coleman Moore Company Fehr Graham Hall & Hall Engineers Inc. HDR Engineering MidAmerican Energy Quick Supply Snyder & Associates Individual Members Ron Amaelon Sue Albrecht Kevin Good Stephanie Lientz Nolan Moore