Watertown Pollution Control Plant
Watertown, NY · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 5.21 MGD
- Design flow
- 16 MGD
- NPDES permit
- NY0025984
- Administratively continued
- Permit expires
- January 2016
- Population served
- 30,315
- CWNS 2022
Watertown Pollution Control Plant is a publicly owned wastewater treatment plant in Watertown, Jefferson County, New York treating an average of 5.21 million gallons per day against a permitted design capacity of 16 MGD, serving about 30,315 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit NY0025984 (administratively continued), which expires in January 2016, with 24 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
- 24
- Effluent violations
- 22
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Watertown
Watertown's capital improvement plan lists 112 water, sewer and wastewater line items worth $76M starting 2025–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Watertown →
| Project | Budget | Years |
|---|---|---|
| West Reservoir Replacement | $6,800,000 | 2026–2027 |
| Sludge Disposal Process Modification Program Phase IA – (Conveyor Upgrade and HVAC) | $6,068,580 | 2025–2050 |
| Western Outfall Trunk Sewer Rehab | $4,159,999 | 2026–2045 |
| Primary Grit Collection System | $3,900,000 | 2026–2045 |
| Primary Grit Collection System | $3,000,000 | 2025–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
2 verified contacts for Watertown Pollution Control Plant, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Watertown Pollution Control Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Watertown · 3 mi away
0.007 MGD
Brownville · 3 mi away
0.06 MGD
Dexter · 6 mi away
0.1 MGD
Evans Mills · 9 mi away
0.02 MGD
Sackets Harbor · 10 mi away
0.12 MGD
Chaumont · 12 mi away
0.03 MGD
Depauville · 12 mi away
0.008 MGD
Deferiet · 13 mi away
0.01 MGD
Watertown Pollution Control Plant: 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 March 5, 2025.