Ash Flat WWTP
Ash Flat, AR · Sharp County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.15 MGD
- NPDES permit
- AR0041742
- Effective
- Permit expires
- September 2027
- Population served
- 4,200
- CWNS 2022
Ash Flat WWTP is a publicly owned wastewater treatment works in Ash Flat, Sharp County, Arkansas treating an average of 0.07 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 4,200 residents. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit AR0041742 (effective), which expires in September 2027, with 216 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 216
- Effluent violations
- 176
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Ash Flat WWTP.
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Hardy · 10 mi away
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Horseshoe Bend · 10 mi away
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Salem · 16 mi away
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Oxford · 18 mi away
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Mammoth Spring · 19 mi away
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Cave City · 20 mi away
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Ash Flat WWTP: 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 July 25, 2026.