What is the address of Marked Tree WWTP?

The address on the plant’s EPA facility record is County Rd 187;1.2Mi S Of Hwy63, Marked Tree, AR 72365, in Poinsett County. Its coordinates are 35.4979, -90.4303. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Marked Tree WWTP treat?

Marked Tree WWTP treats an average of 0.07 MGD and is permitted for a design flow of 0.42 MGD.

What treatment technology does Marked Tree WWTP use?

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

What is the NPDES permit for Marked Tree WWTP?

The facility discharges under NPDES permit AR0033430, currently effective, expiring July 2029.

Is Marked Tree WWTP in compliance?

Discharge monitoring reports show 48 violations at Marked Tree WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Marked Tree WWTP and how do I contact them?

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

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Marked Tree WWTP

County Rd 187;1.2Mi S Of Hwy63, Marked Tree, AR 72365 · Poinsett County · Publicly Owned Treatment Works

Average flow: 0.07 MGD

Design flow: 0.42 MGD

NPDES permit: AR0033430; Effective

Permit expires: July 2029

Population served: 2,266; CWNS 2022

Marked Tree WWTP is a publicly owned wastewater treatment works in Marked Tree, Poinsett County, Arkansas treating an average of 0.07 million gallons per day against a permitted design capacity of 0.42 MGD, serving about 2,266 residents. It discharges under NPDES permit AR0033430 (effective), which expires in July 2029, with 48 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Marked Tree WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 48

Effluent violations: 1

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

Key contacts

Decision-makers at Marked Tree WWTP.

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Nearby wastewater treatment plants in Arkansas

Tyronza WWTP

Tyronza · 5 mi away

0.08 MGD

City Of Lepanto

Lepanto · 10 mi away

0.01 MGD

Birdsong, City Of WWTP

Birdsong · 10 mi away

0.06 MGD

Gilmore, City Of

Gilmore · 11 mi away

—

Turrell, City Of

Turrell · 13 mi away

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Dyess WWTP

Dyess · 13 mi away

0.1 MGD

Trumann WWTP

Trumann · 14 mi away

0.47 MGD

Joiner, City Of-WWTP

Joiner · 15 mi away

0.07 MGD

Marked Tree 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 · Biosolids · Filter press · all terms

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