Mena Wastewater Treatment Facility
Mena, AR · Polk County · Publicly Owned Treatment Works
- Average flow
- 1.4 MGD
- Design flow
- 3.1 MGD
- NPDES permit
- AR0036692
- Effective
- Permit expires
- November 2027
- Population served
- 5,588
- CWNS 2022
Mena Wastewater Treatment Facility is a publicly owned wastewater treatment works in Mena, Polk County, Arkansas treating an average of 1.4 million gallons per day against a permitted design capacity of 3.1 MGD, serving about 5,588 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit AR0036692 (effective), which expires in November 2027, with 16 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 16
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Mena Wastewater Treatment Facility.
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Mount Ida · 32 mi away
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Dierks · 33 mi away
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Mansfield · 35 mi away
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Mena Wastewater Treatment Facility: 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 May 7, 2025.