Manitowoc WWTP
1015 South Lakeview Dr, Manitowoc, WI 54221 · Manitowoc County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 15.5 MGD
- NPDES permit
- WI0024601
- Expired
- Permit expires
- March 2023
- Population served
- 34,500
- CWNS 2022
Manitowoc WWTP is a publicly owned wastewater treatment works in Manitowoc, Manitowoc County, Wisconsin, serving about 34,500 residents. It discharges under NPDES permit WI0024601 (expired), which expires in March 2023, with 36 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Manitowoc WWTP.
Available with a free Klarifi account
See the full treatment train at Manitowoc WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 36
- Effluent violations
- 36
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Manitowoc WWTP in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Jun 2009
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Manitowoc WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
4 verified contacts for Manitowoc WWTP, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Manitowoc WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Two Rivers · 6 mi away
—
Manitowoc · 6 mi away
0.0082 MGD
Cleveland · 11 mi away
0.16 MGD
St. Nazianz · 15 mi away
0.04 MGD
Maribel · 15 mi away
0.03 MGD
Reedsville · 15 mi away
0.01 MGD
Denmark · 20 mi away
0.57 MGD
Howards Grove · 20 mi away
—
Manitowoc 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 March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms