Monticello (v) STP
38 Plant Drive, Monticello, NY 12701 · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 1.37 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 1.37 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 2 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2020.
Treatment technology
Treatment structures and unit processes at Monticello (v) STP.
Treatment structure data not yet analyzed for this facility.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Monticello (v) STP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $1,500
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Apr 2020
Village of Monticello
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $1,500
EPA's description of the case:
“This Administrative Order requires the Village to develop and submit to EPA and NYSDEC written operation and maintenance procedures for the collection system.”
Source: EPA ECHO, civil enforcement case 02-2020-3008.
Full case history with a free Klarifi account
Every action against Monticello (v) STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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
0.33 MGD
Monticello · 2 mi away
0.0028 MGD
Monticello · 3 mi away
0.02 MGD
Monticello · 5 mi away
0.18 MGD
Thompson · 5 mi away
0.23 MGD
Woodridge · 5 mi away
0.51 MGD
South Fallsburg · 6 mi away
1.66 MGD
Loch Sheldrake · 9 mi away
0.28 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 October 26, 2026; facility record last updated April 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms