Country Manor STP
Mahopac, NY · Putnam County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.05 MGD
- NPDES permit
- NY0029017
- Effective
- Permit expires
- September 2027
- Population served
- 499
- CWNS 2022
Country Manor STP is a publicly owned wastewater treatment works in Mahopac, Putnam County, New York treating an average of 0.04 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 499 residents. It discharges under NPDES permit NY0029017 (effective), which expires in September 2027, with 5 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Country Manor STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Carmel · 2 mi away
0.1 MGD
Mahopac · 2 mi away
0.03 MGD
Mahopac · 3 mi away
0.02 MGD
Mahopac · 3 mi away
0.1 MGD
Yorktown Hgts · 5 mi away
1 MGD
Goldens Bridge · 5 mi away
0.02 MGD
Carmel · 6 mi away
0.58 MGD
Brewster · 7 mi away
0.12 MGD
Country Manor 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 September 11, 2026; facility record last updated September 29, 2025.