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The YCUA is responsible for maintaining over 300 miles of sanitary sewers. A sanitary sewer is a separate underground system that is specifically designed for transporting sewage from houses and commercial buildings to our wastewater treatment plant. The YCUA collection system is not intended to convey storm water runoff from parking lots, roads, or homes. The improper release of materials into the sanitary sewer can cause serious damage to your private drainage system. The improper release of materials into the sanitary sewer can also adversely impact the environment as a result of a sewage backup or interfere with the proper operation of the YCUA collection system and/or wastewater treatment plant. Although the YCUA has various programs for maintaining these systems, we view our customers as the first line of defense when protecting these vital infrastructures within our community.

The following information can help everyone within our community make better decisions when disposing of various materials.

Don't Rush to Flush YCUA requests that the following items not be released into the sewer system: These types of items can be safely disposed of with your household solid waste. For more information regarding household solid waste collection, click on the appropriate link below:

Residents of Ypsilanti Township: ytown.org
Residents of the City of Ypsilanti: www.cityofypsilanti.com

The following products should not be released into the sewer system and are not accepted through our community’s solid waste collection: Please refer to the sections below on proper dispsoal options for these products:

Oil-Based Products
If you are one of our many residents that change their change their own automotive oils (crankcase, transmission, filters, etc.), you need to know how to properly dispose of the waste products generated when completing these tasks. The YCUA prohibits the disposal of oil based products into the saniatry sewer. Used oil is accepted at the following locations:
If you are one of our residents that flush their own automotive radiator system, the used antifreeze should not be disposed in the sanitary sewer. The following locations accept used antifreeze:
Pharmaceuticals (courtesy of Washtenaw County Drain Commissioner’s Office)
Past practices have advised to “flush” leftover drugs down the toilet. Human excretion is also a source of the drugs being detected. We now know that wastewater treatment plants were not designed to filter out drugs, so many drugs and other compounds are being detected in drinking water. The effects of most of these products detected in drinking water are unknown, but increased concentrations of antibiotics have produced “super bugs”; bacteria that are resistant to antibiotics. There are no national guidelines for the proper disposal of PPCPs, but there are some guidelines that you can use that offer safe disposal methods to protect water quality and human health. If you are instructed by your physician to finish a prescription, do so. For any unused portion of the prescription or other health care product, follow the disposal steps for particular types of medications. Always “black out” any personal information on the label to protect privacy but ensure the drug name is visible. At present, there are few, if any, “take back” programs for prescription drugs. Call your pharmacy to confirm information on the disposal of prescription drugs.

If you would like a brochure that contains all of this information to keep on hand, call the Washtenaw County Drain Commissioner’s Office at 734-222-6833 or 734-994-2525.


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Ypsilanti Community Utilities Authority
2777 State Road, Ypsilanti, Michigan 48198-9112


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