Gorham (t) STP & Onsites
PO Box 224, Gorham, NY 14461 · Ontario County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- NY0160814
- Effective
- Permit expires
- October 2026
- Population served
- 468
- CWNS 2022
Gorham (t) STP & Onsites is a publicly owned wastewater treatment works in Gorham, Ontario County, New York treating an average of 0.04 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 468 residents. It discharges under NPDES permit NY0160814 (effective), which expires in October 2026, with 22 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Gorham (t) STP & Onsites.
Available with a free Klarifi account
See the full treatment train at Gorham (t) STP & Onsites: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 22
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Gorham (t) STP & Onsites.
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Nearby wastewater treatment plants in New York
Rushville · 6 mi away
0.07 MGD
Canandaigua · 9 mi away
2.89 MGD
Geneva · 10 mi away
3.49 MGD
Penn Yan · 11 mi away
1.14 MGD
Clifton Springs · 11 mi away
0.3 MGD
Phelps · 12 mi away
0.19 MGD
Manchester · 13 mi away
0.41 MGD
Waterloo · 16 mi away
1.91 MGD
Gorham (t) STP & Onsites: 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 November 14, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms