Wilsonville WWTP
Wilsonville, AL 35186 · Shelby County · Publicly Owned Treatment Works
- Average flow
- 0.0029 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- AL0021491
- Effective
- Permit expires
- March 2029
- Population served
- 1,873
- CWNS 2022
Wilsonville WWTP is a publicly owned wastewater treatment works in Wilsonville, Shelby County, Alabama treating an average of 0.0029 million gallons per day against a permitted design capacity of 0.04 MGD, serving about 1,873 residents. It discharges under NPDES permit AL0021491 (effective), which expires in March 2029, with 8 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Wilsonville WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Wilsonville WWTP in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 2
- latest May 2026
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Wilsonville WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Wilsonville WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Wilsonville WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Alabama
Childersburg · 7 mi away
0.51 MGD
Childersburg · 9 mi away
0.06 MGD
Columbiana · 9 mi away
0.67 MGD
Sylacauga · 12 mi away
2.56 MGD
Sylacauga · 13 mi away
0.06 MGD
Calera · 14 mi away
0.63 MGD
Sycamore · 16 mi away
0.02 MGD
Alabaster · 19 mi away
3.91 MGD
Wilsonville WWTP: 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 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms