Lavaca, City Of- Lavaca Municipal Wastewater Treatment Plant
E Utah Ranch Rd, Lavaca, AR 72941 · Sebastian County · Publicly Owned Treatment Works
- Average flow
- 0.24 MGD
- Design flow
- 0.4 MGD
- NPDES permit
- AR0034070
- Effective
- Permit expires
- August 2027
- Population served
- 2,360
- CWNS 2022
Lavaca, City Of- Lavaca Municipal Wastewater Treatment Plant is a publicly owned wastewater treatment works in Lavaca, Sebastian County, Arkansas treating an average of 0.24 million gallons per day against a permitted design capacity of 0.4 MGD, serving about 2,360 residents. It discharges under NPDES permit AR0034070 (effective), which expires in August 2027, with 6 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Lavaca, City Of- Lavaca Municipal Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Lavaca, City Of- Lavaca Municipal Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lavaca, City Of- Lavaca Municipal Wastewater Treatment Plant.
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Mulberry · 11 mi away
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Van Buren · 15 mi away
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Fort Smith · 15 mi away
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Bonanza · 18 mi away
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Mountainburg · 19 mi away
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Lavaca, City Of- Lavaca Municipal Wastewater Treatment Plant: 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 October 26, 2026; facility record last updated February 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms