Niskayuna (t) Sd#6 WWTP
Niskayuna, NY · Schenectady County · Publicly Owned Treatment Works
- Average flow
- 1.32 MGD
- Design flow
- 3 MGD
- NPDES permit
- NY0023973
- Administratively continued
- Permit expires
- May 2024
- Population served
- 13,506
- CWNS 2022
Niskayuna (t) Sd#6 WWTP is a publicly owned wastewater treatment works in Niskayuna, Schenectady County, New York treating an average of 1.32 million gallons per day against a permitted design capacity of 3 MGD, serving about 13,506 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit NY0023973 (administratively continued), which expires in May 2024, with 7 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
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Niskayuna (t) Sd#6 WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Niskayuna (t) Sd#6 WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Clifton Park · 2 mi away
0.0064 MGD
Schenectady · 4 mi away
11.1 MGD
Schenectady · 7 mi away
0.86 MGD
Guilderland · 9 mi away
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Guilderland · 9 mi away
0.11 MGD
Waterford · 9 mi away
0.58 MGD
Altamont · 11 mi away
0.26 MGD
Troy · 11 mi away
15.63 MGD
Niskayuna (t) Sd#6 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 April 24, 2025.