What is the address of Marvell WWTP?

The address on the plant’s EPA facility record is S Of Hwy 49 (0.4 Mi E Of City), Marvell, AR 72366, in Phillips County. Its coordinates are 34.5525, -90.8976. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Marvell WWTP treat?

Marvell WWTP is permitted for a design flow of 0.22 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Marvell WWTP use?

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

What is the NPDES permit for Marvell WWTP?

The facility discharges under NPDES permit AR0035840, currently administratively continued, expiring February 2026.

Is Marvell WWTP in compliance?

Discharge monitoring reports show 226 violations at Marvell WWTP in the last three years. The full history is available in Klarifi.

Who operates Marvell WWTP and how do I contact them?

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

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Marvell WWTP

S Of Hwy 49 (0.4 Mi E Of City), Marvell, AR 72366 · Phillips County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.22 MGD

NPDES permit: AR0035840; Administratively continued

Permit expires: February 2026

Population served: 856; CWNS 2022

Marvell WWTP is a publicly owned wastewater treatment works in Marvell, Phillips County, Arkansas, serving about 856 residents. It discharges under NPDES permit AR0035840 (administratively continued), which expires in February 2026, with 226 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Marvell WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 226

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 Marvell WWTP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Arkansas

Rondo, City Of-WWTF

Rondo · 9 mi away

0.04 MGD

Lexa, City Of

Lexa · 9 mi away

0.03 MGD

Lake View, City Of

Lakeview · 10 mi away

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West Helena Water Utilities

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Moro WWTP

Moro · 17 mi away

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Elaine, City Of

Elaine · 17 mi away

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Holly Grove, City Of

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Marianna, City Of - Marianna Water & Sewer Commission - Pond A

Marianna · 18 mi away

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Marvell 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 · Equalization tank · Centrate · all terms

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