How much wastewater does Tonawanda (t) Sd#2 WWTP treat?

Tonawanda (t) Sd#2 WWTP treats an average of 11.7 MGD and is permitted for a design flow of 30 MGD.

What treatment technology does Tonawanda (t) Sd#2 WWTP use?

Klarifi has identified clarifiers, biogas balloons at the Tonawanda facility.

What is the NPDES permit for Tonawanda (t) Sd#2 WWTP?

The facility discharges under NPDES permit NY0026395, currently administratively continued, expiring June 2019.

Is Tonawanda (t) Sd#2 WWTP in compliance?

Discharge monitoring reports show 9 violations at Tonawanda (t) Sd#2 WWTP in the last three years, 7 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Tonawanda (t) Sd#2 WWTP and how do I contact them?

Tonawanda (t) Sd#2 WWTP is a publicly owned treatment works in Tonawanda, New York. Klarifi lists 12 verified decision-maker contacts for this facility, available with a free trial.

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Tonawanda (t) Sd#2 WWTP

Tonawanda, NY · Erie County · Publicly Owned Treatment Works

Average flow: 11.7 MGD

Design flow: 30 MGD

NPDES permit: NY0026395; Administratively continued

Permit expires: June 2019

Population served: 113,096; CWNS 2022

Tonawanda (t) Sd#2 WWTP is a publicly owned wastewater treatment works in Tonawanda, Erie County, New York treating an average of 11.7 million gallons per day against a permitted design capacity of 30 MGD, serving about 113,096 residents. Treatment on site includes clarifiers, biogas balloons. It discharges under NPDES permit NY0026395 (administratively continued), which expires in June 2019, with 9 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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Biogas balloons

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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

12 verified contacts for Tonawanda (t) Sd#2 WWTP, with validated emails and direct phone numbers.

Unlock 12 verified contacts (9 more than shown)

Names, validated emails and direct phone numbers for decision-makers at Tonawanda (t) Sd#2 WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in New York

North Tonawanda Wastwater Treatment Facility

North Tonawanda · 3 mi away

3.77 MGD

Bird Island STP

Buffalo · 5 mi away

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Grand Island Wastewater Treatment Plant

Grand Island · 5 mi away

1.6 MGD

City Of Niagara Falls Wastewater Treatment Plant

Niagara Falls · 10 mi away

19.6 MGD

Erie County Southtowns Sewage Treatment Plant

Buffalo · 15 mi away

9.5 MGD

Lewiston Water Poll Cont Center

Lewiston · 16 mi away

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Elma (t) Sd#4-Briggswood Subdivision

Elma · 16 mi away

0.0061 MGD

Lockport (c) WWTP

Lockport · 17 mi away

6.55 MGD

Tonawanda (t) Sd#2 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.

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