Coney Island Water Pollution Control Plant
2591 Knapp St, Brooklyn, NY 11235 · Kings County · Publicly Owned Treatment Works
- Average flow
- 80.1 MGD
- Design flow
- 110 MGD
- NPDES permit
- NY0026182
- Effective
- Permit expires
- June 2027
- Population served
- 619,523
- CWNS 2022
Coney Island Water Pollution Control Plant is a publicly owned wastewater treatment works in Brooklyn, Kings County, New York treating an average of 80.1 million gallons per day against a permitted design capacity of 110 MGD, serving about 619,523 residents. It discharges under NPDES permit NY0026182 (effective), which expires in June 2027, with 8 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2016.
Treatment technology
Treatment structures and unit processes at Coney Island Water Pollution Control Plant.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Coney Island Water Pollution Control Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $36M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2016
New York City Department of Environmental Protection
Administrative order · CWA, NPDES Discharge without a Permit · Unilateral Administrative Order Without Adjudication · Compliance actions $36M
EPA's description of the case:
“This Order requires New York City to develop a Sewer O&M Plan to reduce/prevent basement backups and to implement it.”
Source: EPA ECHO, civil enforcement case 02-2016-3012.
Full case history with a free Klarifi account
Every action against Coney Island Water Pollution Control Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Coney Island Water Pollution Control Plant.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Brooklyn · 5 mi away
39.7 MGD
Rockaway Park · 6 mi away
18.8 MGD
Brooklyn · 6 mi away
88 MGD
Brooklyn · 8 mi away
27.5 MGD
Jamaica · 8 mi away
74.6 MGD
Brooklyn · 10 mi away
187.2 MGD
Staten Island · 10 mi away
26.56 MGD
Atlantic Beach · 10 mi away
0.37 MGD
Coney Island Water Pollution Control Plant: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated July 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms