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Antwerp (v) WWTP

Antwerp, NY · Jefferson County · Publicly Owned Treatment Works

Average flow
0.02 MGD
Design flow
0.12 MGD
NPDES permit
NY0235890
Effective
Permit expires
October 2030
Population served
436
CWNS 2022

Antwerp (v) WWTP is a publicly owned wastewater treatment works in Antwerp, Jefferson County, New York treating an average of 0.02 million gallons per day against a permitted design capacity of 0.12 MGD, serving about 436 residents. It discharges under NPDES permit NY0235890 (effective), which expires in October 2030, with 65 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations
65
Effluent violations
9

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

1 verified contact for Antwerp (v) WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Antwerp (v) WWTP, plus the full compliance history and discharge data.

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Antwerp (v) 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 November 6, 2025.


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