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STORIES OF PROGRESS IN ACHIEVING HEALTHY WATERS
EPA Region 3 Water Protection Division
LJ
Chester, PA
ATA GLANCE
•	Agreement with Delaware County
Regional Water Quality Authority
(DELCORA) includes substantial penalty
and injunctive relief to correct sewer
overflows.
•	Overflow control plan will help improve
water quality in the Delaware River and
smaller creeks in the vicinity.
Settlement to Improve Water Quality in
Delaware River, Philadelphia-Area Creeks
Chester, Pennsylvania • August 20, 2015
EPA and the U.S. Department of Justice have reached
agreement with a major water utility in the greater
Philadelphia area to significantly reduce sewage discharges
to the Delaware River and local creeks.
The settlement with the Delaware County Regional Water Quality
Control Authorii (DELCORA) resolves alleged Clean Water Act
violations involving combined sewer overflows (CSOs) to the
Delaware and its tributaries.
In a proposed consent decree, DELCORA has agreed to develop
and implement a plan to control and greatly reduce overflows of
its sewer system, which will improve water quality in the Delaware
River, Chester Creek and Ridley Creek near Philadelphia, and
help reduce direct exposure to raw sewage in the authority's
many low-income service area communities.
EPA estimates the DELCORA could spend as much as $200
million to implement an overflow control plan that complies with the
Clean Water Act. According to DELCORA, the volume of
combined sewage that overflows from the system is approximately
739 million gallons annually.
Once the specific pollution control measures are selected and
approved, the settlement requires DELCORA to implement the
plan as quickly as possible with a 20-year deadline from when the settlement is filed in court to
complete the necessary controls. DELCORA must also pay a $1.375 million penalty for prior violations.
The settlement stands to address longstanding problems with DELCORA's combined sewer system,
which when inundated with stormwater, discharges raw sewage, industrial waste, nitrogen,
phosphorus, and polluted stormwater into the two local creeks and the Delaware River.
DELCORA's wastewater facilities serve approximately 500,000 people in the greater Philadelphia area,
including many low-income communities. The settlement will help reduce residents' direct exposure to
raw sewage. Such exposure can result in impacts ranging from stomach cramps and diarrhea to life-
threatening ailments.
The consent decree also requires DELCORA to notify the public of CSO discharges using a visual
notification system, including warning lights and flags at CSO outfalls, where a sewer empties into local
waterways.
U.S. Environmental Protection Agency
EPA Region 3 Water Protection Division
Philadelphia, PA
For additional information contact:
Andrew Seligman, Seligman.andrew@epa.gov
EPA WPD NPDES Enforcement Branch

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