Searsport Wastewater Treatment Facility
45 Navy St, Searsport, ME 04974 · Waldo County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.2 MGD
- NPDES permit
- ME0101966
- Expired
- Permit expires
- August 2025
- Population served
- 1,014
- CWNS 2022
Searsport Wastewater Treatment Facility is a publicly owned wastewater treatment works in Searsport, Waldo County, Maine treating an average of 0.06 million gallons per day against a permitted design capacity of 0.2 MGD, serving about 1,014 residents. It discharges under NPDES permit ME0101966 (expired), which expires in August 2025, with 0 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2025.
Treatment technology
Treatment structures and unit processes at Searsport Wastewater Treatment Facility.
Treatment structure data not yet analyzed for this facility.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Searsport Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $11M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Apr 2025
SEARSPORT WWTF
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $11M
EPA's description of the case:
“On December 7, 2020, EPA entered into a Clean Water Act administrative order on consent (Order) with the Town of Searsport, Maine. In September 2019, EPA denied the Town's 301(h) waiver request…”
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Source: EPA ECHO, civil enforcement case 01-2021-2005.
Full case history with a free Klarifi account
Every action against Searsport Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Searsport Wastewater Treatment Facility.
No verified contacts on file yet
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Nearby wastewater treatment plants in Maine
Belfast · 5 mi away
0.59 MGD
Castine · 7 mi away
0.04 MGD
Bucksport · 10 mi away
0.31 MGD
Islesboro · 14 mi away
0.02 MGD
Blue Hill · 16 mi away
0.05 MGD
Camden · 19 mi away
0.67 MGD
North Haven · 21 mi away
0.00072 MGD
North Haven · 23 mi away
0.01 MGD
Searsport 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 October 26, 2026; facility record last updated September 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms