Mannington City Of
Mannington, WV · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- WV0024953
- Administratively continued
- Permit expires
- September 2013
- Population served
- 2,063
- CWNS 2022
Mannington City Of is a publicly owned wastewater treatment plant in Mannington, Marion County, West Virginia treating an average of 0.15 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 2,063 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit WV0024953 (administratively continued), which expires in September 2013, with 106 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 106
- Effluent violations
- 42
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mannington City Of.
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Nearby wastewater treatment plants in West Virginia
Mannington · 1 mi away
0.0003 MGD
Farmington · 4 mi away
0.08 MGD
Worthington · 6 mi away
0.09 MGD
Carolina · 6 mi away
—
Shinnston · 8 mi away
0.38 MGD
Lumberport · 9 mi away
0.07 MGD
Fairmont · 11 mi away
4.4 MGD
Bridgeport · 12 mi away
0.0006 MGD
Mannington City Of: 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 September 11, 2026; facility record last updated August 5, 2026.