Rotterdam (t) Sd #2 STP
Schenectady, NY · Schenectady County · Publicly Owned Treatment Works
- Average flow
- 0.86 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- NY0020141
- Effective
- Permit expires
- July 2029
- Population served
- 8,598
- CWNS 2022
Rotterdam (t) Sd #2 STP is a publicly owned wastewater treatment works in Schenectady, Schenectady County, New York treating an average of 0.86 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 8,598 residents. Treatment on site includes clarifiers. It discharges under NPDES permit NY0020141 (effective), which expires in July 2029, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Schenectady
Schenectady's capital improvement plan lists 9 water, sewer and wastewater line items worth $6M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Schenectady →
| Project | Budget | Years |
|---|---|---|
| WWTP Digester 4 Upgrades | $3,250,000 | 2025–2025 |
| Water Infrastructure | $1,000,000 | 2025–2025 |
| Sewer Collection System Repairs and Improvements | $500,000 | 2025–2025 |
| WWTP Equipment Replacement | $375,000 | 2025–2025 |
| Water Distribution System Repairs and Improvements | $350,000 | 2025–2025 |
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
Decision-makers at Rotterdam (t) Sd #2 STP.
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Nearby wastewater treatment plants in New York
Schenectady · 4 mi away
11.1 MGD
Clifton Park · 6 mi away
0.0064 MGD
Altamont · 7 mi away
0.26 MGD
Niskayuna · 7 mi away
1.32 MGD
Duanesburg · 9 mi away
0.03 MGD
Guilderland · 9 mi away
0.11 MGD
Guilderland · 9 mi away
—
Duanesburg · 10 mi away
0.05 MGD
Rotterdam (t) Sd #2 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 May 21, 2025.