Benld Stp, City Of
Benld, IL · Macoupin County · Publicly Owned Treatment Works
- Average flow
- 0.11 MGD
- Design flow
- 1 MGD
- NPDES permit
- IL0067296
- Effective
- Permit expires
- June 2031
- Population served
- 1,733
- CWNS 2022
Benld Stp, City Of is a publicly owned wastewater treatment works in Benld, Macoupin County, Illinois treating an average of 0.11 million gallons per day against a permitted design capacity of 1 MGD, serving about 1,733 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IL0067296 (effective), which expires in June 2031, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
Unlock
Unlock 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 Benld Stp, City 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
Mount Clare · 1 mi away
—
Gillespie · 1 mi away
0.06 MGD
Wilsonville · 2 mi away
0.02 MGD
White City · 3 mi away
0.09 MGD
Mount Olive · 4 mi away
0.1 MGD
Staunton · 5 mi away
0.21 MGD
Royal Lakes · 8 mi away
0.00006 MGD
Bunker Hill · 8 mi away
0.09 MGD
Benld Stp, City 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 March 7, 2025.