Clarkton Pws
501 E Commercial St, Clarkton, MO 63837 · Dunklin County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- —
- NPDES permit
- MO0052663
- Effective
- Permit expires
- June 2027
- Population served
- 3,550
- CWNS 2022
Clarkton Pws is a publicly owned wastewater treatment plant in Clarkton, Dunklin County, Missouri treating an average of 0.04 million gallons per day, serving about 3,550 residents. It discharges under NPDES permit MO0052663 (effective), which expires in June 2027, with 144 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in June 2012.
Treatment technology
4 treatment structures and unit processes identified at Clarkton Pws.
Available with a free Klarifi account
See the full treatment train at Clarkton Pws: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 144
- Effluent violations
- 68
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 Clarkton Pws in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $310,000
- required by EPA orders
- EPA inspections
- 1
- latest Nov 2002
Latest case · Jun 2012
CITY OF CLARKTON, MISSOURI
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $310,000
Source: EPA ECHO, civil enforcement case 07-2004-0314.
Full case history with a free Klarifi account
Every action against Clarkton Pws with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Clarkton Pws.
No verified contacts on file yet
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Nearby wastewater treatment plants in Missouri
Holcomb · 4 mi away
0.59 MGD
Campbell · 6 mi away
0.35 MGD
Wardell · 10 mi away
0.08 MGD
Risco · 11 mi away
0.02 MGD
Portageville · 14 mi away
0.34 MGD
Parma · 15 mi away
1.1 MGD
Bernie · 15 mi away
0.06 MGD
Hayti · 18 mi away
0.48 MGD
Clarkton Pws: 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 August 14, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms