Monticello (v) STP
Monticello, NY · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.71 MGD
- Design flow
- 3.1 MGD
- NPDES permit
- NY0022454
- Administratively continued
- Permit expires
- June 2020
- Population served
- 6,875
- CWNS 2022
Monticello (v) STP is a publicly owned wastewater treatment works in Monticello, Sullivan County, New York treating an average of 0.71 million gallons per day against a permitted design capacity of 3.1 MGD, serving about 6,875 residents. It discharges under NPDES permit NY0022454 (administratively continued), which expires in June 2020, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Monticello (v) STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Monticello · 1 mi away
0.23 MGD
Monticello · 2 mi away
0.0015 MGD
Monticello · 3 mi away
0.01 MGD
Monticello · 5 mi away
0.07 MGD
Thompson · 5 mi away
0.15 MGD
Woodridge · 5 mi away
0.28 MGD
South Fallsburg · 6 mi away
1.08 MGD
Loch Sheldrake · 9 mi away
0.21 MGD
Monticello (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 September 11, 2026; facility record last updated April 5, 2025.