Amsterdam (c) WWTP
Amsterdam, NY · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 5.35 MGD
- Design flow
- 10 MGD
- NPDES permit
- NY0020290
- Administratively continued
- Permit expires
- February 2021
- Population served
- 20,071
- CWNS 2022
Amsterdam (c) WWTP is a publicly owned wastewater treatment works in Amsterdam, Montgomery County, New York treating an average of 5.35 million gallons per day against a permitted design capacity of 10 MGD, serving about 20,071 residents. Treatment on site includes clarifiers. It discharges under NPDES permit NY0020290 (administratively continued), which expires in February 2021, with 57 recorded violations 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
- 57
- Effluent violations
- 57
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
13 verified contacts for Amsterdam (c) WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Amsterdam (c) WWTP, plus the full compliance history and discharge data.
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Schenectady · 12 mi away
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Johnstown · 13 mi away
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Schenectady · 14 mi away
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Clifton Park · 16 mi away
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Amsterdam (c) 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 5, 2025.