Little Suamico Sanitary District No 1
Fox Road, Little Suamico, WI 54141 · Oconto County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.05 MGD
- NPDES permit
- WI0031968
- Expired
- Permit expires
- June 2023
- Population served
- 1,010
- CWNS 2022
Little Suamico Sanitary District No 1 is a publicly owned wastewater treatment plant in Little Suamico, Oconto County, Wisconsin treating an average of 0.13 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 1,010 residents. It discharges under NPDES permit WI0031968 (expired), which expires in June 2023, with 12 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Little Suamico Sanitary District No 1.
Available with a free Klarifi account
See the full treatment train at Little Suamico Sanitary District No 1: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- 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 Little Suamico Sanitary District No 1.
No verified contacts on file yet
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Nearby wastewater treatment plants in Wisconsin
Abrams · 4 mi away
0.03 MGD
Green Bay · 13 mi away
36.81 MGD
Oconto · 13 mi away
0.51 MGD
Krakow · 14 mi away
—
Lena · 16 mi away
0.09 MGD
Oneida · 18 mi away
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Gillett · 18 mi away
0.24 MGD
Casco · 23 mi away
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Little Suamico Sanitary District No 1: 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 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms