Rensselaer County Sd#1 WWTP
Troy, NY · Rensselaer County · Publicly Owned Treatment Works
- Average flow
- 15.63 MGD
- Design flow
- 24 MGD
- NPDES permit
- NY0087971
- Effective
- Permit expires
- May 2030
- Population served
- 77,294
- CWNS 2022
Rensselaer County Sd#1 WWTP is a publicly owned wastewater treatment works in Troy, Rensselaer County, New York treating an average of 15.63 million gallons per day against a permitted design capacity of 24 MGD, serving about 77,294 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit NY0087971 (effective), which expires in May 2030, with 9 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
- 9
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Rensselaer County Sd#1 WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Rensselaer County Sd#1 WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Albany · 4 mi away
45.11 MGD
Waterford · 8 mi away
0.58 MGD
East Schodack · 9 mi away
0.0024 MGD
Selkirk · 10 mi away
2.71 MGD
Guilderland · 10 mi away
—
Guilderland · 10 mi away
0.11 MGD
Castleton-On-Hudson · 10 mi away
0.1 MGD
Niskayuna · 11 mi away
1.32 MGD
Rensselaer County Sd#1 WWTP: 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 July 2, 2025.