Pevely WWTP
9088 Plant Rd, Pevely, MO 63070 · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.87 MGD
- Design flow
- —
- NPDES permit
- MO0040142
- Effective
- Permit expires
- July 2029
- Population served
- 18,000
- CWNS 2022
Pevely WWTP is a publicly owned wastewater treatment works in Pevely, Jefferson County, Missouri treating an average of 0.87 million gallons per day, serving about 18,000 residents. It discharges under NPDES permit MO0040142 (effective), which expires in July 2029, with 3 recorded violations in the last three years.
Treatment technology
6 treatment structures and unit processes identified at Pevely WWTP.
Available with a free Klarifi account
See the full treatment train at Pevely WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Pevely WWTP.
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Nearby wastewater treatment plants in Missouri
Barnhart · 2 mi away
0.58 MGD
Pevely · 3 mi away
0.0043 MGD
Hillsboro · 4 mi away
0.0037 MGD
Barnhart · 4 mi away
0.73 MGD
Crystal City · 5 mi away
2 MGD
Hillsboro · 6 mi away
0.0037 MGD
Imperial · 7 mi away
1.79 MGD
Hillsboro · 8 mi away
0.09 MGD
Pevely 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 12, 2026; facility record last updated August 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms