North Haven WWTF
North Haven, ME · Knox County · Publicly Owned Treatment Works
- Average flow
- 0.0046 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- ME0101907
- Effective
- Permit expires
- February 2030
- Population served
- 355
- CWNS 2022
North Haven WWTF is a publicly owned wastewater treatment works in North Haven, Knox County, Maine treating an average of 0.0046 million gallons per day against a permitted design capacity of 0.04 MGD, serving about 355 residents. Treatment on site includes dechlorination, disinfection, chlorine/ chloramine, flow equalization, primary clarification or sedimentation, screening. It discharges under NPDES permit ME0101907 (effective), which expires in February 2030, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Dechlorination
unit processDisinfection, chlorine/ chloramine
unit processFlow Equalization
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processUnlock 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 North Haven WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in Maine
Vinalhaven · 6 mi away
0.02 MGD
Islesboro · 9 mi away
0.0024 MGD
Camden · 12 mi away
0.32 MGD
Thomaston · 17 mi away
0.003 MGD
Warren · 18 mi away
0.07 MGD
Castine · 19 mi away
0.03 MGD
Belfast · 22 mi away
0.42 MGD
Searsport · 23 mi away
0.05 MGD
North Haven WWTF: 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 January 25, 2025.