Prairie Grove WWTP
Prairie Grove, AR · Washington County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.04 MGD
- NPDES permit
- ARG640066
- Effective
- Permit expires
- December 2026
- Population served
- 7,098
- CWNS 2022
Prairie Grove WWTP is a publicly owned wastewater treatment works in Prairie Grove, Washington County, Arkansas, serving about 7,098 residents. It discharges under NPDES permit ARG640066 (effective), which expires in December 2026, with 91 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
- 91
- Effluent violations
- 68
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Prairie Grove WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Prairie Grove WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Arkansas
Lincoln · 5 mi away
0.43 MGD
Fayetteville · 10 mi away
10.72 MGD
Fayetteville · 17 mi away
6.81 MGD
Bentonville · 20 mi away
3.26 MGD
Mountainburg · 24 mi away
0.02 MGD
Gentry · 24 mi away
0.72 MGD
Gravette · 34 mi away
0.16 MGD
Van Buren · 34 mi away
0.003 MGD
Prairie Grove 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 18, 2023.