Glen Cove Wastewater Treatment Facility
100 Morris Avenue, Glen Cove, NY 11542 · Nassau County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 5.5 MGD
- NPDES permit
- NY0026620
- Administratively continued
- Permit expires
- May 2019
- Population served
- 30,648
- CWNS 2022
Glen Cove Wastewater Treatment Facility is a publicly owned wastewater treatment works in Glen Cove, Nassau County, New York, serving about 30,648 residents. It discharges under NPDES permit NY0026620 (administratively continued), which expires in May 2019, with 0 recorded violations in the last three years. EPA has recorded 5 formal enforcement actions naming the plant, the latest in November 2020.
Treatment technology
One treatment structure or unit process identified at Glen Cove Wastewater Treatment Facility.
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See the full treatment train at Glen Cove Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
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 Glen Cove Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 5
- 1 since FY2020
- Penalties assessed
- $837,500
- all cases
- Compliance actions
- $4M
- required by EPA orders
- EPA inspections
- 1
- latest Aug 2015
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 Glen Cove Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Glen Cove Wastewater Treatment Facility.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Great Neck · 6 mi away
2.54 MGD
Oyster Bay · 6 mi away
1.03 MGD
Great Neck · 8 mi away
0.96 MGD
New Rochelle · 8 mi away
11.16 MGD
Rye · 8 mi away
3.58 MGD
Mamaroneck · 8 mi away
12.11 MGD
Queens · 11 mi away
57.8 MGD
Huntington · 12 mi away
1.56 MGD
Glen Cove Wastewater Treatment Facility: 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 May 21, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms