Warren Wastewater Treatment Facility
Warren, ME · Knox County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.32 MGD
- NPDES permit
- ME0102253
- Effective
- Permit expires
- March 2030
- Population served
- 1,630
- CWNS 2022
Warren Wastewater Treatment Facility is a publicly owned wastewater treatment works in Warren, Knox County, Maine treating an average of 0.07 million gallons per day against a permitted design capacity of 0.32 MGD, serving about 1,630 residents. Treatment on site includes aerated lagoons, uncovered lagoons, disinfection, uv, lagoon, aerobic, screening. It discharges under NPDES permit ME0102253 (effective), which expires in March 2030, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Uncovered lagoons
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Disinfection, UV
unit processLagoon, Aerobic
unit processScreening
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Warren Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Maine
Thomaston · 1 mi away
0.003 MGD
Camden · 12 mi away
0.32 MGD
Nobleboro · 15 mi away
0.002 MGD
North Haven · 18 mi away
0.0046 MGD
Vinalhaven · 19 mi away
0.02 MGD
Islesboro · 20 mi away
0.0024 MGD
Wiscasset · 23 mi away
0.13 MGD
Boothbay Harbor · 24 mi away
0.0019 MGD
Warren Wastewater Treatment Facility: 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 February 1, 2025.