California South WWTF
Theodore Rd, California, MO 65018 · Moniteau County · Publicly Owned Treatment Works
- Average flow
- 1.64 MGD
- Design flow
- —
- NPDES permit
- MO0023272
- Effective
- Permit expires
- March 2031
- Population served
- 17,000
- CWNS 2022
California South WWTF is a publicly owned wastewater treatment works in California, Moniteau County, Missouri treating an average of 1.64 million gallons per day, serving about 17,000 residents. It discharges under NPDES permit MO0023272 (effective), which expires in March 2031, with 12 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in February 2011.
Treatment technology
8 treatment structures and unit processes identified at California South WWTF.
Available with a free Klarifi account
See the full treatment train at California South WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 4
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 California South WWTF in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $180
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Feb 2011
CITY OF CALIFORNIA, MISSOURI
Administrative order · CWA, Sewage Sludge Disposal · Final Order No Penalty · Compliance actions $180
Source: EPA ECHO, civil enforcement case 07-2011-0079.
Full case history with a free Klarifi account
Every action against California South WWTF with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at California South WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in Missouri
Clarksburg · 7 mi away
0.03 MGD
Russellville · 10 mi away
0.08 MGD
Tipton · 11 mi away
0.46 MGD
Lohman · 12 mi away
0.02 MGD
Jamestown · 13 mi away
0.02 MGD
Prairie Home · 15 mi away
—
Barnett · 16 mi away
0.0063 MGD
Hartsburg · 16 mi away
0.0055 MGD
California South 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 12, 2026; facility record last updated September 17, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms