Stoddard WWTP
S Pearl St & Prairie Rd, Stoddard, WI 54658 · Vernon County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.11 MGD
- NPDES permit
- WI0028304
- Expired
- Permit expires
- June 2023
- Population served
- 846
- CWNS 2022
Stoddard WWTP is a publicly owned wastewater treatment works in Stoddard, Vernon County, Wisconsin treating an average of 0.04 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 846 residents. It discharges under NPDES permit WI0028304 (expired), which expires in June 2023, with 36 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Stoddard WWTP.
Available with a free Klarifi account
See the full treatment train at Stoddard WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 36
- Effluent violations
- 15
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Stoddard WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Stoddard WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Chaseburg · 6 mi away
0.07 MGD
La Crosse · 10 mi away
10.21 MGD
Coon Valley · 10 mi away
0.07 MGD
West Salem · 14 mi away
0.0058 MGD
De Soto · 16 mi away
0.02 MGD
West Salem · 19 mi away
0.54 MGD
Cashton · 23 mi away
0.1 MGD
Trempealeau · 26 mi away
0.14 MGD
Stoddard WWTP: 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 3, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms