Loganville Wastewater Treatment Facility
PO Box 128, Loganville, WI 53943 · Sauk County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.05 MGD
- NPDES permit
- WI0029114
- Expired
- Permit expires
- June 2021
- Population served
- 315
- CWNS 2022
Loganville Wastewater Treatment Facility is a publicly owned wastewater treatment works in Loganville, Sauk County, Wisconsin treating an average of 0.04 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 315 residents. It discharges under NPDES permit WI0029114 (expired), which expires in June 2021, with 7 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Loganville Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Loganville Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Loganville Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Wisconsin
Reedsburg · 5 mi away
1.93 MGD
Rock Springs · 6 mi away
0.02 MGD
North Freedom · 8 mi away
0.06 MGD
La Valle · 10 mi away
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Baraboo · 15 mi away
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Lake Delton · 17 mi away
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Lyndon Station · 19 mi away
0.04 MGD
Spring Green · 20 mi away
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Loganville 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 8, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms