Stony Point (t) STP
24 North St, Stony Point, NY 10980 · Rockland County · Publicly Owned Treatment Works
- Average flow
- 0.98 MGD
- Design flow
- 1 MGD
- NPDES permit
- NY0028851
- Effective
- Permit expires
- November 2029
- Population served
- 12,986
- CWNS 2022
Stony Point (t) STP is a publicly owned wastewater treatment works in Stony Point, Rockland County, New York treating an average of 0.98 million gallons per day against a permitted design capacity of 1 MGD, serving about 12,986 residents. It discharges under NPDES permit NY0028851 (effective), which expires in November 2029, with 17 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 2024.
Treatment technology
Treatment structures and unit processes at Stony Point (t) STP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 17
- Effluent violations
- 17
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 Stony Point (t) STP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $5,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · May 2024
Town of Stony Point
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $5,000
EPA's description of the case:
“This ACO has been developed to enforce SPDES permit requirements regarding proper O&M of the sanitary sewer system and to eliminate SSOs within the system.”
Source: EPA ECHO, civil enforcement case 02-2022-3026.
Full case history with a free Klarifi account
Every action against Stony Point (t) STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Stony Point (t) STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
West Haverstraw · 1 mi away
4.22 MGD
Buchanan · 3 mi away
0.31 MGD
Peekskill · 6 mi away
6.29 MGD
Ossining · 7 mi away
4.2 MGD
Fort Montgomery · 7 mi away
0.09 MGD
Highland Falls · 10 mi away
0.92 MGD
Yorktown Hgts · 11 mi away
1.76 MGD
Harriman · 11 mi away
5.6 MGD
Stony Point (t) STP: 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 December 24, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms