How much wastewater does Portland, City Of WWTP treat?

Portland, City Of WWTP is permitted for a design flow of 0.05 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Portland, City Of WWTP use?

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

What is the NPDES permit for Portland, City Of WWTP?

The facility discharges under NPDES permit AR0052876, currently effective, expiring April 2031.

Is Portland, City Of WWTP in compliance?

Discharge monitoring reports show 2 violations at Portland, City Of WWTP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Portland, City Of WWTP and how do I contact them?

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

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Portland, City Of WWTP

Portland, AR 71663 · Ashley County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.05 MGD

NPDES permit: AR0052876; Effective

Permit expires: April 2031

Population served: 326; CWNS 2022

Portland, City Of WWTP is a publicly owned wastewater treatment works in Portland, Ashley County, Arkansas, serving about 326 residents. It discharges under NPDES permit AR0052876 (effective), which expires in April 2031, with 2 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Portland, City Of WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

Decision-makers at Portland, City Of WWTP.

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Nearby wastewater treatment plants in Arkansas

Montrose Waste Water Facilities

Montrose · 5 mi away

—

Parkdale Wastewater Treatment Plant

Parkdale · 9 mi away

0.0091 MGD

Wilmot, City Of

Wilmot · 12 mi away

0.0056 MGD

Hamburg, City Of

Hamburg · 14 mi away

1.31 MGD

Lake Village WWTP

Lake Village · 15 mi away

0.19 MGD

Eudora, City Of

Eudora · 18 mi away

0.14 MGD

Dermott WWTP

Dermott · 21 mi away

0.45 MGD

Fountain Hill, City

Fountain Hill · 21 mi away

0.09 MGD

Portland, City Of 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 September 26, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms

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