Mendon, Village Of
Il Route 61 W Of E 1100th St, Mendon, IL 62351 · Adams County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- ILG580104
- Effective
- Permit expires
- May 2027
- Population served
- 981
- CWNS 2022
Mendon, Village Of is a publicly owned wastewater treatment plant in Mendon, Adams County, Illinois treating an average of 0.03 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 981 residents. It discharges under NPDES permit ILG580104 (effective), which expires in May 2027, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Mendon, Village Of.
Available with a free Klarifi account
See the full treatment train at Mendon, Village Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mendon, Village Of.
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 Illinois
Loraine · 7 mi away
—
Camp Point · 13 mi away
0.25 MGD
West Point · 14 mi away
0.02 MGD
Golden · 15 mi away
0.02 MGD
Bowen · 16 mi away
0.05 MGD
Liberty · 18 mi away
0.04 MGD
Clayton · 19 mi away
0.02 MGD
Payson · 19 mi away
0.04 MGD
Mendon, 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 October 26, 2026; facility record last updated November 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms