Marsh Creek WWTP
71 Doran Avenue, Geneva, NY 14456 · Ontario County · Publicly Owned Treatment Works
- Average flow
- 3.49 MGD
- Design flow
- 6 MGD
- NPDES permit
- NY0027049
- Administratively continued
- Permit expires
- January 2018
- Population served
- 15,073
- CWNS 2022
Marsh Creek WWTP is a publicly owned wastewater treatment works in Geneva, Ontario County, New York treating an average of 3.49 million gallons per day against a permitted design capacity of 6 MGD, serving about 15,073 residents. It discharges under NPDES permit NY0027049 (administratively continued), which expires in January 2018, with 5 recorded violations in the last three years. EPA has recorded 4 formal enforcement actions naming the plant, the latest in December 2019.
Treatment technology
3 treatment structures and unit processes identified at Marsh Creek WWTP.
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See the full treatment train at Marsh Creek WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
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 Marsh Creek WWTP in EPA's ICIS system.
- Formal actions
- 4
- 1 since FY2020
- Compliance actions
- $2,000
- required by EPA orders
- EPA inspections
- 1
- latest Oct 2023
Latest case · Dec 2019
City of Geneva
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $1,000
EPA's description of the case:
“This AO has not been developed based on the need to eliminate existing discharges to receiving water bodies but rather to enforce SPDES permit requirements regarding proper O&M of the sanitary sewer…”
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Source: EPA ECHO, civil enforcement case 02-2020-3016.
Full case history with a free Klarifi account
Every action against Marsh Creek WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for Marsh Creek WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Marsh Creek WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Waterloo · 6 mi away
1.91 MGD
Phelps · 7 mi away
0.19 MGD
Gorham · 10 mi away
0.04 MGD
Seneca Falls · 10 mi away
—
Clifton Springs · 10 mi away
0.3 MGD
Lyons · 13 mi away
0.49 MGD
Newark · 13 mi away
1.77 MGD
Romulus · 14 mi away
0.34 MGD
Marsh Creek 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 March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms