Tonawanda (t) Sd#2 WWTP
779 Two Mile Creek Road, Tonawanda, NY 14150 · Erie County · Publicly Owned Treatment Works
- Average flow
- 21.03 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 21.03 million gallons per day against a permitted design capacity of 30 MGD, serving about 113,096 residents. It discharges under NPDES permit NY0026395 (administratively continued), which expires in June 2019, with 8 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Tonawanda (t) Sd#2 WWTP.
Available with a free Klarifi account
See the full treatment train at Tonawanda (t) Sd#2 WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 8
- 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.
Nearby wastewater treatment plants in New York
North Tonawanda · 3 mi away
7.42 MGD
Buffalo · 5 mi away
—
Grand Island · 5 mi away
3.32 MGD
Niagara Falls · 10 mi away
27.15 MGD
Buffalo · 15 mi away
19.51 MGD
Lewiston · 16 mi away
—
Elma · 16 mi away
0.01 MGD
Lockport · 17 mi away
12.92 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 October 26, 2026; facility record last updated April 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms