What is the address of Norphlet WWTP?

The address on the plant’s EPA facility record is Mcmillian St, Norphlet, AR 71759, in Union County. Its coordinates are 33.3044, -92.6539. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Norphlet WWTP treat?

Norphlet WWTP treats an average of 0.02 MGD and is permitted for a design flow of 0.18 MGD.

What treatment technology does Norphlet WWTP use?

Klarifi has identified one treatment structure or unit process at the Norphlet facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Norphlet WWTP?

The facility discharges under NPDES permit AR0035653, currently effective, expiring February 2029.

Is Norphlet WWTP in compliance?

Discharge monitoring reports show 66 violations at Norphlet WWTP in the last three years, 66 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Norphlet WWTP and how do I contact them?

Norphlet WWTP is a publicly owned treatment works in Norphlet, Arkansas. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Norphlet WWTP

Mcmillian St, Norphlet, AR 71759 · Union County · Publicly Owned Treatment Works

Average flow: 0.02 MGD

Design flow: 0.18 MGD

NPDES permit: AR0035653; Effective

Permit expires: February 2029

Population served: 767; CWNS 2022

Norphlet WWTP is a publicly owned wastewater treatment works in Norphlet, Union County, Arkansas treating an average of 0.02 million gallons per day against a permitted design capacity of 0.18 MGD, serving about 767 residents. It discharges under NPDES permit AR0035653 (effective), which expires in February 2029, with 66 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Norphlet WWTP.

Available with a free Klarifi account

See the full treatment train at Norphlet WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 66

Effluent violations: 66

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at Norphlet WWTP.

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Nearby wastewater treatment plants in Arkansas

Smackover WWTP

Smackover · 6 mi away

0.13 MGD

Calion WWTP

Calion · 7 mi away

0.03 MGD

El Dorado, City Of- South Plant

Eldorado · 9 mi away

1.28 MGD

Oak Manor Water Association

Eldorado · 10 mi away

0.02 MGD

Louann, City Of

Louann · 10 mi away

0.02 MGD

Hampton, City Of

Hampton · 19 mi away

0.2 MGD

Harrell WWTP

Harrell · 19 mi away

0.06 MGD

Junction City, City Of

Junction City · 20 mi away

0.1 MGD

Norphlet 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 25, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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