Plymouth Stp, Village Of
Plymouth, IL · Hancock County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- IL0042153
- Effective
- Permit expires
- February 2029
- Population served
- 436
- CWNS 2022
Plymouth Stp, Village Of is a publicly owned wastewater treatment works in Plymouth, Hancock County, Illinois treating an average of 0.03 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 436 residents. Treatment on site includes covered lagoons. It discharges under NPDES permit IL0042153 (effective), which expires in February 2029, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Covered lagoons
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Plymouth Stp, Village Of, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Plymouth Stp, Village Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Augusta · 6 mi away
—
Bowen · 9 mi away
0.02 MGD
Tennessee · 9 mi away
0.004 MGD
Colchester · 12 mi away
0.1 MGD
Carthage · 12 mi away
0.3 MGD
West Point · 13 mi away
—
Golden · 14 mi away
0.02 MGD
Industry · 17 mi away
0.02 MGD
Plymouth Stp, Village Of: 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 August 13, 2026.