Marshall WWTP
Marshall, AR · Searcy County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- AR0034011
- Expired
- Permit expires
- October 2025
- Population served
- 1,322
- CWNS 2022
Marshall WWTP is a publicly owned wastewater treatment works in Marshall, Searcy County, Arkansas treating an average of 0.15 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 1,322 residents. It discharges under NPDES permit AR0034011 (expired), which expires in October 2025, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Marshall WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Arkansas
Leslie · 7 mi away
0.04 MGD
Yellville · 22 mi away
0.2 MGD
Clinton · 24 mi away
—
Clinton · 25 mi away
0.25 MGD
Cotter · 26 mi away
0.2 MGD
Flippin · 26 mi away
0.08 MGD
Mountain View · 28 mi away
0.39 MGD
Norfork · 29 mi away
0.0046 MGD
Marshall 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 24, 2026.