Royal Lakes Stp, Village Of
South Of West Sycamore Street, Royal Lakes, IL 62685 · Macoupin County · Publicly Owned Treatment Works
- Average flow
- 0.0034 MGD
- Design flow
- 0.16 MGD
- NPDES permit
- IL0071391
- Effective
- Permit expires
- December 2026
- Population served
- 281
- CWNS 2022
Royal Lakes Stp, Village Of is a publicly owned wastewater treatment works in Royal Lakes, Macoupin County, Illinois treating an average of 0.0034 million gallons per day against a permitted design capacity of 0.16 MGD, serving about 281 residents. It discharges under NPDES permit IL0071391 (effective), which expires in December 2026, with 25 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Royal Lakes Stp, Village Of.
Available with a free Klarifi account
See the full treatment train at Royal Lakes Stp, Village Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 25
- Effluent violations
- 25
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Royal Lakes Stp, Village Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Royal Lakes Stp, Village Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Shipman · 4 mi away
0.04 MGD
Bunker Hill · 5 mi away
0.27 MGD
Wilsonville · 7 mi away
0.04 MGD
Mount Clare · 8 mi away
0.1 MGD
Benld · 8 mi away
0.15 MGD
Gillespie · 9 mi away
0.16 MGD
Medora · 10 mi away
0.0091 MGD
Brighton · 11 mi away
0.54 MGD
Royal Lakes 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 September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms