Pendleton WWTF
State Highway B 0.1 Miles South Of, Warrenton, MO 63383 · Warren County · Publicly Owned Treatment Works
- Average flow
- 0.0017 MGD
- Design flow
- —
- NPDES permit
- MO0136093
- Expired
- Permit expires
- June 2021
- Population served
- 164
- CWNS 2022
Pendleton WWTF is a publicly owned wastewater treatment works in Warrenton, Warren County, Missouri treating an average of 0.0017 million gallons per day, serving about 164 residents. It discharges under NPDES permit MO0136093 (expired), which expires in June 2021, with 40 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at Pendleton WWTF.
Available with a free Klarifi account
See the full treatment train at Pendleton WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 40
- 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 Pendleton WWTF.
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Nearby wastewater treatment plants in Missouri
Jonesburg · 5 mi away
0.08 MGD
Warrenton · 6 mi away
1.36 MGD
High Hill · 8 mi away
0.0023 MGD
Wright City · 10 mi away
0.07 MGD
Hawk Point · 11 mi away
—
Berger · 12 mi away
0.14 MGD
Truxton · 12 mi away
0.0028 MGD
Hermann · 13 mi away
0.38 MGD
Pendleton WWTF: 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 4, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms