Clean Waterways

Page updated on Apr 24, 2018 at 12:03 PM
Eco-City Clean Waterways

Eco-City Clean Waterways is the City's initiative to manage the quality of our local streams, the Potomac River, and the Chesapeake Bay. Because good stewardship of our local waterways yields many public health, ecological, and recreational benefits, it is one of the guiding principles of our  Eco-City Alexandria Charter and a priority for the City under the  Eco-City Alexandria initiative.

Eco-City Clean Waterways affirms the City's commitment to promoting and protecting clean waterways for current and future generations of Alexandria residents by operating and maintaining two types of sewer systems, which discharge to our waterways through permitted outfalls for combined sewage, stormwater, and treated sanitary sewage.

Combined Sewer System Long Term Control Plan Update

The City of Alexandria is on track to comply with a 2017 state law requiring that remediation of its four combined sewer outfalls be completed by July 1, 2025. As part of the process, the City is required to update the  Long Term Control Plan, which includes an implementation schedule to meet the 2025 deadline, to be filed with the Virginia Department of Environmental Quality.  


Alexandria has one of the earliest combined sewer systems in the country, dating back to the 1800s. When too much rain flows into the system, which serves 5 percent of Alexandria in the historic Old Town area, it overflows into local waterways at four outfalls. The City continues to work aggressively to reduce such overflows.


As part of ongoing efforts to mitigate pollutants from entering our waterways as a result of stormwater runoff, the City has adopted a Stormwater Utility Fee. This fee will be applied to all residential and non-residential property owners and will fund new federal and state mandates for both stormwater management and Chesapeake Bay cleanup.


Alexandria Renew Enterprises (AlexRenew) is the independent public entity that collects and treats wastewater from the City and parts of Fairfax County, and the City's partner in improving the quality of our local waterways.