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Laurel, Md. – September 16, 2021 – WSSC Water experienced a spill of partially treated wastewater at its Piscataway Water Resource Recovery Facility on Farmington Road in Accokeek. The spill, caused by an electrical malfunction at the plant, started at approximately 7:40 a.m. today and ended around 8:15 am.

The total volume of the spill was approximately 230,000 gallons of partially treated wastewater. Of that total volume, an estimated 223,000 gallons was captured within the plant and sent back through the entire treatment process. Approximately 7,000 gallons of partially treated wastewater overflowed from the plant into a small stream that runs into Piscataway Creek.

It is important to note that the water and wastewater systems are separate. This overflow is NOT affecting WSSC Water’s drinking water.

WSSC Water has posted 17 signs warning residents to avoid the area where the overflow occured. Appropriate notifications have also been made to the Maryland Department of the Environment and the Prince George’s County Health Department. 

WSSC Water is committed to protecting the health of the public and the environment. With more than 5,600 miles of sewer mains throughout its service area, WSSC Water appreciates notifications from citizens if a sewer overflow or water main break is suspected. Citizens can call WSSC Water’s 24-hour Emergency Call Center at 301-206-4002 to report water or sewer emergencies in Prince George’s or Montgomery counties. Customers can also report emergencies via email at emergencycallcenter@wsscwater.com and those customers who have smart phones can report emergencies using the WSSC Water Mobile App.



WSSC Water is the proud provider of safe, seamless and satisfying water services, making the essential possible every day for our neighbors in Montgomery and Prince George’s counties. We work to deliver our best because it’s what our customers expect and deserve.