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200 Million Gallons Sewage Spill Raises Potomac Bacteria Levels

1/31/2026

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Summary

Story summary

Bacteria levels in the Potomac River increased after a sewage spill of over 200 million gallons near the American Legion Bridge.
Washington Aqueduct leaders confirmed that drinking water remains safe, as the main supply is sourced from the upstream Great Falls station.
Rudy Chow, the aqueduct's general manager, announced that water quality testing has been increased to seven days a week.
The Little Falls Pumping Station remains offline due to high bacteria levels and will not resume operations until water quality improves.
The Army Corps of Engineers stated that the sewage spill does not affect the Dalecarlia water treatment plant.

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Story summary

Bacteria levels in the Potomac River increased after a sewage spill of over 200 million gallons near the American Legion Bridge.
Washington Aqueduct leaders confirmed that drinking water remains safe, as the main supply is sourced from the upstream Great Falls station.
Rudy Chow, the aqueduct's general manager, announced that water quality testing has been increased to seven days a week.
The Little Falls Pumping Station remains offline due to high bacteria levels and will not resume operations until water quality improves.
The Army Corps of Engineers stated that the sewage spill does not affect the Dalecarlia water treatment plant.