Howards Grove Wastewater Treatment Facility
Howards Grove, WI · Sheboygan County · Publicly Owned Treatment Works
- Average flow
- 0.23 MGD
- Design flow
- 0.28 MGD
- NPDES permit
- WI0021679
- Expired
- Permit expires
- December 2023
- Population served
- 3,303
- CWNS 2022
Howards Grove Wastewater Treatment Facility is a publicly owned wastewater treatment works in Howards Grove, Sheboygan County, Wisconsin treating an average of 0.23 million gallons per day against a permitted design capacity of 0.28 MGD, serving about 3,303 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit WI0021679 (expired), which expires in December 2023, with 10 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Howards Grove Wastewater Treatment Facility.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Wisconsin
Cleveland · 9 mi away
0.12 MGD
Sheboygan · 9 mi away
—
Plymouth · 10 mi away
—
Oostburg · 12 mi away
0.02 MGD
Kiel · 12 mi away
1.05 MGD
Hingham · 13 mi away
0.08 MGD
Oostburg · 13 mi away
0.27 MGD
St. Nazianz · 14 mi away
0.03 MGD
Howards Grove 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 September 11, 2026; facility record last updated November 20, 2025.