Cedar Creek WPCP
3340 Merrick Road And Cedar Creek Park, Wantagh, NY 11793 · Nassau County · Publicly Owned Treatment Works
- Average flow
- 63.14 MGD
- Design flow
- 72 MGD
- NPDES permit
- NY0026859
- Administratively continued
- Permit expires
- January 2026
- Population served
- 653,795
- CWNS 2022
Cedar Creek WPCP is a publicly owned wastewater treatment works in Wantagh, Nassau County, New York treating an average of 63.14 million gallons per day against a permitted design capacity of 72 MGD, serving about 653,795 residents. It discharges under NPDES permit NY0026859 (administratively continued), which expires in January 2026, with 12 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in November 2020.
Treatment technology
3 treatment structures and unit processes identified at Cedar Creek WPCP.
Available with a free Klarifi account
See the full treatment train at Cedar Creek WPCP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
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 Cedar Creek WPCP in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $827,500
- all cases
- Compliance actions
- $4M
- required by EPA orders
- EPA inspections
- 3
- latest Nov 2009
Latest case · Nov 2020
Nassau County, New York
Judicial case · RCRA, Underground Storage Tanks Compliance Order · Final Order With Penalty · Penalty $427,500 · Compliance actions $1.1M · The case also names 2 other plants, and its amounts cover all of them
EPA's description of the case:
“In response to the U.S. motion for entry, the federal district court for EDNY entered a judicial consent decree resolving an administrative order and also claims against the Defendant involving 48…”
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Source: EPA ECHO, civil enforcement case 02-2015-0015.
Full case history with a free Klarifi account
Every action against Cedar Creek WPCP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
4 verified contacts for Cedar Creek WPCP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Cedar Creek WPCP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
East Rockaway · 8 mi away
48.73 MGD
W Babylon · 9 mi away
27.44 MGD
Long Beach · 9 mi away
4.72 MGD
Atlantic Beach · 13 mi away
0.37 MGD
Great Neck · 15 mi away
2.54 MGD
Great Neck · 15 mi away
0.96 MGD
Oyster Bay · 16 mi away
1.03 MGD
Jamaica · 16 mi away
74.6 MGD
Cedar Creek WPCP: 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 March 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms