Nlrwu-White Oak Bayou
6000 Heilman, North Little Rock, AR 72118 · Pulaski County · Publicly Owned Treatment Works
- Average flow
- 2.92 MGD
- Design flow
- 8.5 MGD
- NPDES permit
- AR0038288
- Effective
- Permit expires
- July 2028
- Population served
- 39,310
- CWNS 2022
Nlrwu-White Oak Bayou is a publicly owned wastewater treatment plant in North Little Rock, Pulaski County, Arkansas treating an average of 2.92 million gallons per day against a permitted design capacity of 8.5 MGD, serving about 39,310 residents. It discharges under NPDES permit AR0038288 (effective), which expires in July 2028, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified, 1 planned upgrade on record at Nlrwu-White Oak Bayou.
Available with a free Klarifi account
See the full treatment train at Nlrwu-White Oak Bayou: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Nlrwu-White Oak Bayou, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Nlrwu-White Oak Bayou, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Arkansas
Maumelle · 5 mi away
1.79 MGD
Sherwood · 7 mi away
0.39 MGD
Gravel Ridge · 8 mi away
0.35 MGD
Little Rock · 9 mi away
2.01 MGD
Gravel Ridge · 9 mi away
0.21 MGD
Little Rock · 10 mi away
0.01 MGD
Sherwood · 10 mi away
0.47 MGD
Jacksonville · 12 mi away
3.97 MGD
Nlrwu-White Oak Bayou: 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 March 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms