Rensselaer County Sd#1 WWTP
Water Street, Troy, NY 12180 · Rensselaer County · Publicly Owned Treatment Works
- Average flow
- 20.34 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 20.34 million gallons per day against a permitted design capacity of 24 MGD, serving about 77,294 residents. It discharges under NPDES permit NY0087971 (effective), which expires in May 2030, with 9 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Rensselaer County Sd#1 WWTP.
Available with a free Klarifi account
See the full treatment train at Rensselaer County Sd#1 WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Rensselaer County Sd#1 WWTP in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 2
- latest Aug 2005
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Rensselaer County Sd#1 WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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
43.24 MGD
Waterford · 8 mi away
0.87 MGD
East Schodack · 9 mi away
0.0053 MGD
Selkirk · 10 mi away
3.99 MGD
Guilderland · 10 mi away
—
Guilderland · 10 mi away
0.15 MGD
Castleton-On-Hudson · 10 mi away
0.14 MGD
Niskayuna · 11 mi away
1.95 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 October 26, 2026; facility record last updated July 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms