Unlike sanitary sewers, the water that flows into storm drains is untreated.
When it rains, water can pick up harmful substances like motor oil, pool chemicals, paint and yard waste from households. Then it travels into storm drains, where it flows into nearby rivers and streams, polluting them and harming fish, wildlife, and even people.
Any release of a liquid or solid material into a storm drain system is called illicit discharge.
You might notice signs of polluted water flowing from a pipe or culvert into a stream.
What to watch for
Oily sheen on the surface
Cloudy water from sediment
Unusual colors
Trash or debris floating in the water
Foam that looks unnatural
Strong or foul odors
What to do when you see illicit discharge
If you see signs of illicit discharge, contact your local public works department or stormwater program. If your community isn’t listed, check your municipality’s website.
If you have old or unused cans of paint or other hazardous products, take them to your local Household Hazardous Waste facility for proper disposal. Never dispose of them in storm drains!
Visit RecycleSpot to find a safe location to dispose of your household hazardous waste in the Kansas City region.