Bigfork County Water And Sewer
108 Harbor Heights Boulevard, Bigfork, MT 59911 · Flathead County · Publicly Owned Treatment Works
- Average flow
- 0.37 MGD
- Design flow
- 0.69 MGD
- NPDES permit
- MT0020397
- Administratively continued
- Permit expires
- April 2023
- Population served
- 4,683
- CWNS 2022
Bigfork County Water And Sewer is a publicly owned wastewater treatment works in Bigfork, Flathead County, Montana treating an average of 0.37 million gallons per day against a permitted design capacity of 0.69 MGD, serving about 4,683 residents. It discharges under NPDES permit MT0020397 (administratively continued), which expires in April 2023, with 1 recorded violation in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2006.
Treatment technology
Treatment structures and unit processes at Bigfork County Water And Sewer.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 1
- 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 Bigfork County Water And Sewer in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $700
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2006
Bigfork Sanitation District
Administrative order · CWA, Sewage Sludge Disposal · Final Order No Penalty · Compliance actions $700
EPA's description of the case:
“EPA issued a general permit, effective 8/16/2002, for facilities in Montana and in Indian Country which generage, treat, and/or use or dispose of sewage sludge by land application, landfill, or…”
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Source: EPA ECHO, civil enforcement case 08-2003-0094.
Full case history with a free Klarifi account
Every action against Bigfork County Water And Sewer with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Bigfork County Water And Sewer.
No verified contacts on file yet
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Nearby wastewater treatment plants in Montana
Bigfork · 6 mi away
0.007 MGD
Kalispell · 13 mi away
3.96 MGD
Polson · 13 mi away
0.0086 MGD
Columbia Falls · 21 mi away
0.41 MGD
Polson · 26 mi away
0.86 MGD
Ronan · 38 mi away
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Pablo · 38 mi away
—
Hot Springs · 41 mi away
0.43 MGD
Bigfork County Water And Sewer: 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 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms