Phelps Sanitary District No 1
2200 Highway17, Phelps, Wisconsin, Phelps, WI 54554 · Vilas County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.1 MGD
- NPDES permit
- WI0029050
- Expired
- Permit expires
- March 2025
- Population served
- 932
- CWNS 2022
Phelps Sanitary District No 1 is a publicly owned wastewater treatment plant in Phelps, Vilas County, Wisconsin treating an average of 0.06 million gallons per day against a permitted design capacity of 0.1 MGD, serving about 932 residents. It discharges under NPDES permit WI0029050 (expired), which expires in March 2025, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Phelps Sanitary District No 1.
Available with a free Klarifi account
See the full treatment train at Phelps Sanitary District No 1: structures, unit processes and planned upgrades, with 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 Phelps Sanitary District No 1.
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Crandon · 41 mi away
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Laona · 41 mi away
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Wabeno · 48 mi away
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Niagara · 52 mi away
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Tomahawk · 53 mi away
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Phelps 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 August 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms