Ridgway Stp, Village Of
Murphy Street, Ridgway, IL 62979 · Gallatin County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.72 MGD
- NPDES permit
- IL0020079
- Effective
- Permit expires
- September 2029
- Population served
- 1,060
- CWNS 2022
Ridgway Stp, Village Of is a publicly owned wastewater treatment works in Ridgway, Gallatin County, Illinois treating an average of 0.15 million gallons per day against a permitted design capacity of 0.72 MGD, serving about 1,060 residents. It discharges under NPDES permit IL0020079 (effective), which expires in September 2029, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Ridgway Stp, Village Of.
Available with a free Klarifi account
See the full treatment train at Ridgway Stp, Village Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Ridgway Stp, 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
Equality · 6 mi away
—
Shawneetown · 8 mi away
0.04 MGD
New Haven · 10 mi away
0.02 MGD
Muddy · 14 mi away
0.0091 MGD
Broughton · 14 mi away
0.02 MGD
Harrisburg · 15 mi away
1.37 MGD
Galatia · 20 mi away
0.05 MGD
Enfield · 21 mi away
0.01 MGD
Ridgway 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 October 26, 2026; facility record last updated October 9, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms