Story perspectives
Massive DC Sewer Collapse Pollutes Potomac, Raises Health Alarms
2/13/2026
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Story summary
- The District of Columbia Water and Sewer Authority (DC Water) reports a 72-inch sewer pipeline collapsed on January 19, releasing 243 million gallons into the Potomac River, with repairs likely to take weeks or months.
- Blockage of boulders and debris hinders repairs and requires equipment from Florida and Texas.
- DC Water initially misreported E. coli levels, 2,420 MPN/100mL, corrected to 242,000 MPN/100mL, raising health concerns as environmental groups urge caution.
