Marked Tree WWTP
Marked Tree, AR · Poinsett County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.42 MGD
- NPDES permit
- AR0033430
- Effective
- Permit expires
- July 2029
- Population served
- 2,266
- CWNS 2022
Marked Tree WWTP is a publicly owned wastewater treatment works in Marked Tree, Poinsett County, Arkansas, serving about 2,266 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit AR0033430 (effective), which expires in July 2029, with 63 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 63
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Marked Tree WWTP.
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Nearby wastewater treatment plants in Arkansas
Tyronza · 5 mi away
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Lepanto · 10 mi away
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Birdsong · 10 mi away
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Gilmore · 11 mi away
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Turrell · 13 mi away
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Dyess · 13 mi away
0.12 MGD
Trumann · 14 mi away
0.25 MGD
Joiner · 15 mi away
0.07 MGD
Marked Tree 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.