Lochridge Estates WWTP
10012 West Markham, Little Rock, AR 72205 · Pulaski County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- AR0050521
- Administratively continued
- Permit expires
- August 2026
- Population served
- —
- CWNS 2022
Lochridge Estates WWTP is a publicly owned wastewater treatment works in Little Rock, Pulaski County, Arkansas treating an average of 0.01 million gallons per day against a permitted design capacity of 0.04 MGD. It discharges under NPDES permit AR0050521 (administratively continued), which expires in August 2026, with 67 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Lochridge Estates WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 67
- Effluent violations
- 67
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lochridge Estates WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Arkansas
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Alexander · 7 mi away
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Shannon Hills · 8 mi away
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Mabelvale · 9 mi away
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North Little Rock · 10 mi away
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Maumelle · 10 mi away
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Bauxite · 11 mi away
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Benton · 13 mi away
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Lochridge Estates 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 June 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms