Watertown (t) Sd#1
Watertown, NY · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.007 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- NY0099091
- Effective
- Permit expires
- November 2030
- Population served
- 294
- CWNS 2022
Watertown (t) Sd#1 is a publicly owned wastewater treatment plant in Watertown, Jefferson County, New York treating an average of 0.007 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 294 residents. It discharges under NPDES permit NY0099091 (effective), which expires in November 2030, with 13 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
- 13
- Effluent violations
- 11
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
1 verified contact for Watertown (t) Sd#1, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Watertown (t) Sd#1, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Watertown · 3 mi away
5.21 MGD
Brownville · 4 mi away
0.06 MGD
Dexter · 7 mi away
0.1 MGD
Sackets Harbor · 10 mi away
0.12 MGD
Evans Mills · 11 mi away
0.02 MGD
Adams · 11 mi away
0.08 MGD
Chaumont · 13 mi away
0.03 MGD
Copenhagen · 14 mi away
0.03 MGD
Watertown (t) Sd#1: 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.