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Illicit Discharge

Illicit Discharge Detection and Elimination makes up MCM 3 of the City's Stormwater Management Plan. Adopted in June 2005, The City of Avondale's Stormwater Quality Protection Ordinance prohibits the discharge of pollutants into the City’s Municipal Separate Storm Sewer System (MS4). Though you can find the details of what is and isn't allowed in the MS4 in the Municipal Code (Chapter 8, Article II), a good rule of thumb is "only rain should go in the storm drain". Violations usually occur when water used for outdoor activities is directed into storm Illicit stormwater dischargedrains. Other common violations involve putting common household items like paint and cleaning supplies down storm drains, draining pools into the street, or when automotive fluids leak into the MS4.

When a potentially illicit discharge is reported, City Code Enforcement responds to investigate the situation. Illegal stormwater discharge violations are punishable by a fine of up to $2,500.

Report an Illicit Discharge

If you need to report an illicit discharge, you can do so right from your mobile device by using the myAvondale mobile application! You can also contact the Code Enforcement Division to report a potential violation.

Pool Drainage

Draining swimming pool water into the MS4 is one of the most common residential stormwater pollution violations. Review the links below for ways to properly drain pool water and clean filters.

  • Helpful Swimming Pool Hints

Household Hazardous Waste

Common household chemicals like paint, pesticides, fertilizers, polishes, cleaners, pool chemicals, and automotive fluids are all potential pollutants that must be kept out of the MS4. Detergents used to wash vehicles, structures, and surfaces are often toxic and will harm plants and animals if they enter the MS4. Detergents designed for indoor use, like dish soap, laundry detergent, surface cleaner, wood polish, and carpet cleaners also do not belong in the storm drain.

Chemicals and products that are deemed Household Hazardous Waste are harmful to our natural resources and should not be dumped in the storm drain, down your sink, or in the trash. Household Hazardous Waste can be dropped off at collection events or locations listed in the link above.

Automotive Fluid Leaks

Leaking automotive fluids either soak into the ground or wash into storm drains and eventually contaminate our groundwater. Major leaks are an obvious problem, but little drips can have a big impact as well. Just a little pollution goes a long way: a quart of used motor oil can contaminate 250,000 gallons of drinking water!

Dry Weather Inspection Program

The City has created a dry-weather Illicit Discharge and Stormwater Outfall Inspection Program as part of its NPDES permit. Dry-weather flows are flows in storm drains when rain has not fallen within 72 hours. With this program, the City is meeting its regulatory requirement to develop and implement comprehensive programs to detect and eliminate illicit connections and discharges to the MS4.