145th Street Water And Sewer Improvement District No. 345 Of Pulaski County
South End Of Thornoaks Road, Little Rock, AR 72206 · Pulaski County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.1 MGD
- NPDES permit
- AR0040266
- Administratively continued
- Permit expires
- July 2026
- Population served
- —
- CWNS 2022
145th Street Water And Sewer Improvement District No. 345 Of Pulaski County is a publicly owned wastewater treatment works in Little Rock, Pulaski County, Arkansas. It discharges under NPDES permit AR0040266 (administratively continued), which expires in July 2026, with 90 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at 145th Street Water And Sewer Improvement District No. 345 Of Pulaski County.
Available with a free Klarifi account
See the full treatment train at 145th Street Water And Sewer Improvement District No. 345 Of Pulaski County: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 90
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at 145th Street Water And Sewer Improvement District No. 345 Of Pulaski County.
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Nearby wastewater treatment plants in Arkansas
Wrightsville · 2 mi away
0.72 MGD
Little Rock · 8 mi away
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Mabelvale · 8 mi away
0.0032 MGD
Shannon Hills · 9 mi away
0.34 MGD
Redfield · 12 mi away
0.11 MGD
Alexander · 13 mi away
0.2 MGD
Keo · 14 mi away
0.0024 MGD
North Little Rock · 14 mi away
2.92 MGD
145th Street Water And Sewer Improvement District No. 345 Of Pulaski County: 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 January 30, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms