Canandaigua - C STP
Canandaigua, NY · Ontario County · Publicly Owned Treatment Works
- Average flow
- 1.69 MGD
- Design flow
- 6.5 MGD
- NPDES permit
- NY0025968
- Effective
- Permit expires
- November 2028
- Population served
- 20,323
- CWNS 2022
Canandaigua - C STP is a publicly owned wastewater treatment works in Canandaigua, Ontario County, New York treating an average of 1.69 million gallons per day against a permitted design capacity of 6.5 MGD, serving about 20,323 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit NY0025968 (effective), which expires in November 2028, with 49 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 49
- Effluent violations
- 22
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
5 verified contacts for Canandaigua - C STP, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Canandaigua - C STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Manchester · 7 mi away
0.17 MGD
Rushville · 8 mi away
0.02 MGD
Gorham · 9 mi away
0.03 MGD
Victor · 9 mi away
1.52 MGD
Clifton Springs · 9 mi away
0.19 MGD
Victor · 9 mi away
0.22 MGD
Phelps · 12 mi away
0.11 MGD
Palmyra, Town Of · 13 mi away
0.62 MGD
Canandaigua - C 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 April 5, 2025.