Jefferson City Rwrf
401 Old Mokane Road, Jefferson City, MO 65101 · Callaway County · Publicly Owned Treatment Works
- Average flow
- 7.03 MGD
- Design flow
- —
- NPDES permit
- MO0094846
- Administratively continued
- Permit expires
- March 2025
- Population served
- 43,841
- CWNS 2022
Jefferson City Rwrf is a publicly owned wastewater treatment plant in Jefferson City, Callaway County, Missouri treating an average of 7.03 million gallons per day, serving about 43,841 residents. It discharges under NPDES permit MO0094846 (administratively continued), which expires in March 2025, with 0 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in October 2018.
Treatment technology
5 treatment structures and unit processes identified, 1 planned upgrade on record at Jefferson City Rwrf.
Available with a free Klarifi account
See the full treatment train at Jefferson City Rwrf: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
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 Jefferson City Rwrf in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $25,000
- all cases
- Compliance actions
- $8M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Oct 2018
CITY OF JEFFERSON, MISSOURI
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $8M
Source: EPA ECHO, civil enforcement case 07-2014-0204.
Full case history with a free Klarifi account
Every action against Jefferson City Rwrf with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Jefferson City Rwrf.
No verified contacts on file yet
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Nearby wastewater treatment plants in Missouri
Jefferson City · 7 mi away
0.45 MGD
Hartsburg · 9 mi away
0.0042 MGD
New Bloomfield · 10 mi away
0.16 MGD
Hartsburg · 10 mi away
0.0055 MGD
Lohman · 11 mi away
0.02 MGD
Westphalia · 14 mi away
0.02 MGD
Ashland · 14 mi away
0.48 MGD
St. Thomas · 15 mi away
0.009 MGD
Jefferson City Rwrf: 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 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms