An Illicit Discharge is any discharge to a storm drain system that is not composed entirely of stormwater except discharges pursuant to an IPDES permit, per city code 13-01-03: DISCHARGE REGULATIONS AND REQUIREMENTS.
Help us protect the water quality of our surface waters that drain to the Lower Boise River, such as Indian Creek and Mason Creeks, by helping us reduce pollutants entering stormwater runoff from everyday activities as this water does not get cleaned before it discharges into our nearby surface waters.
If you notice any illicit discharges:
Please submit a report using our online form. This ensures that your information is sent directly to the City’s Stormwater Division, allowing us to respond to your inquiry promptly.
Report a Stormwater Issue
Do you need to dispose of household hazardous waste properly? See our Hazardous Waste Disposal webpage for proper disposal techniques.
Household Hazardous Waste Disposal
Madison Kolda Certified Stormwater Inspector Illicit Discharge Detection Elimination Program Lead
Phone: 208-455-4620
Email: mkolda@cityofcaldwell.org
Office Email: stormwater@cityofcaldwell.org