City Stormwater Regulations

Municipal Separate State Sewer System (MS4) Permit
To comply with federal regulations, the City is required to implement a stormwater management program containing six minimum control measures. These requirements include: 
  • Public education and outreach on stormwater impacts
  • Public involvement and participation
  • Illicit discharge detection and elimination (reporting pollution into a storm drain or waterway)
  • Construction site stormwater runoff control
  • Post-construction stormwater management
  • Pollution prevention and good housekeeping
Each component has a set of Best Management Practices (BMPs) with measurable goals to evaluate the program. BMP loans are available through the City of Coralville. 

National Pollutant Discharge Elimination System (NPDES) Permit

View the City's NPDES Permit.