Montfort Wastewater Treatment Facility
360 Route 66, Montfort, Wisconsin, Montfort, WI 53569 · Grant County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- WI0024821
- Expired
- Permit expires
- December 2023
- Population served
- 716
- CWNS 2022
Montfort Wastewater Treatment Facility is a publicly owned wastewater treatment works in Montfort, Grant County, Wisconsin treating an average of 0.04 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 716 residents. It discharges under NPDES permit WI0024821 (expired), which expires in December 2023, with 47 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Montfort Wastewater Treatment Facility.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 47
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Montfort Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Montfort Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Highland · 5 mi away
0.06 MGD
Livingston · 6 mi away
0.04 MGD
Linden · 10 mi away
0.02 MGD
Stitzer · 10 mi away
0.0054 MGD
Fennimore · 11 mi away
—
Avoca · 15 mi away
0.03 MGD
Blue River · 16 mi away
0.02 MGD
Mineral Point · 16 mi away
0.25 MGD
Montfort 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 November 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms