Waterloo (v) STP
East River Street, Waterloo, NY 13165 · Seneca County · Publicly Owned Treatment Works
- Average flow
- 1.91 MGD
- Design flow
- 0.8 MGD
- NPDES permit
- NY0022365
- Administratively continued
- Permit expires
- August 2017
- Population served
- 5,757
- CWNS 2022
Waterloo (v) STP is a publicly owned wastewater treatment works in Waterloo, Seneca County, New York treating an average of 1.91 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 5,757 residents. It discharges under NPDES permit NY0022365 (administratively continued), which expires in August 2017, with 12 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in April 2023.
Treatment technology
2 treatment structures and unit processes identified at Waterloo (v) STP.
Available with a free Klarifi account
See the full treatment train at Waterloo (v) STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Waterloo (v) STP in EPA's ICIS system.
- Formal actions
- 2
- 1 since FY2020
- Compliance actions
- $5,500
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Apr 2023
Village of Waterloo
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $5,000
EPA's description of the case:
“This Order requires the Village to prepare and submit to EPA, and NYSDEC, monthly and yearly reports required in the permit, as well as an Operation and Maintenance Manual for the collection system.”
Source: EPA ECHO, civil enforcement case 02-2023-3008.
Full case history with a free Klarifi account
Every action against Waterloo (v) STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Waterloo (v) STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Waterloo (v) STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Seneca Falls · 4 mi away
—
Geneva · 6 mi away
3.49 MGD
Union Springs · 9 mi away
0.18 MGD
Phelps · 11 mi away
0.19 MGD
Savannah · 12 mi away
0.03 MGD
Clyde · 13 mi away
0.23 MGD
Lyons · 13 mi away
0.49 MGD
Romulus · 13 mi away
0.34 MGD
Waterloo (v) STP: 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 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms