Mount Morris (v) STP
117 Main Street, Mount Morris, NY 14510 · Livingston County · Publicly Owned Treatment Works
- Average flow
- 0.34 MGD
- Design flow
- 0.86 MGD
- NPDES permit
- NY0030741
- Effective
- Permit expires
- April 2030
- Population served
- 3,289
- CWNS 2022
Mount Morris (v) STP is a publicly owned wastewater treatment works in Mount Morris, Livingston County, New York treating an average of 0.34 million gallons per day against a permitted design capacity of 0.86 MGD, serving about 3,289 residents. It discharges under NPDES permit NY0030741 (effective), which expires in April 2030, with 2 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Mount Morris (v) STP.
Available with a free Klarifi account
See the full treatment train at Mount Morris (v) STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mount Morris (v) STP.
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Nearby wastewater treatment plants in New York
Geneseo · 5 mi away
1.08 MGD
Perry · 6 mi away
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Groveland · 7 mi away
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York · 8 mi away
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Nunda · 10 mi away
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Castile · 11 mi away
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Lakeville · 11 mi away
1.02 MGD
Pavilion · 13 mi away
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Mount Morris (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 November 14, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms