Coal Hill, City Of-WWTP
East Of Main St (S Of Hwy 64), Coal Hill, AR 72832 · Johnson County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.15 MGD
- NPDES permit
- AR0047686
- Effective
- Permit expires
- August 2027
- Population served
- 812
- CWNS 2022
Coal Hill, City Of-WWTP is a publicly owned wastewater treatment works in Coal Hill, Johnson County, Arkansas treating an average of 0.02 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 812 residents. It discharges under NPDES permit AR0047686 (effective), which expires in August 2027, with 168 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Coal Hill, City Of-WWTP.
Available with a free Klarifi account
See the full treatment train at Coal Hill, City Of-WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 168
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Coal Hill, City Of-WWTP in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 0
- none on record
No formal federal enforcement case is on record for this plant.
1 informal enforcement action (notices of violation and similar).
Full case history with a free Klarifi account
Every action against Coal Hill, City Of-WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Coal Hill, City Of-WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Arkansas
Altus · 7 mi away
0.0016 MGD
Subiaco · 8 mi away
0.06 MGD
Paris · 9 mi away
0.69 MGD
Ozark · 9 mi away
0.74 MGD
Clarksville · 11 mi away
1.14 MGD
Lamar · 16 mi away
0.1 MGD
Magazine · 20 mi away
0.05 MGD
Mulberry · 22 mi away
0.28 MGD
Coal Hill, City Of-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 October 26, 2026; facility record last updated July 24, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms