What is the address of Dallas WWTP?

The address on the plant’s EPA facility record is 1070 Bowersville Rd, Rickreall, OR 97371, in Polk County. Its coordinates are 44.9186, -123.2554. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Dallas WWTP treat?

Dallas WWTP treats an average of 2.77 MGD and is permitted for a design flow of 2 MGD.

What treatment technology does Dallas WWTP use?

Klarifi has identified 3 treatment structures and unit processes at the Rickreall facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Dallas WWTP?

The facility discharges under NPDES permit OR0020737, currently effective, expiring October 2030.

Is Dallas WWTP in compliance?

Discharge monitoring reports show 16 violations at Dallas WWTP in the last three years, 15 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Dallas WWTP and how do I contact them?

Dallas WWTP is a publicly owned treatment works in Rickreall, Oregon. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Dallas WWTP

1070 Bowersville Rd, Rickreall, OR 97371 · Polk County · Publicly Owned Treatment Works

Average flow: 2.77 MGD

Design flow: 2 MGD

NPDES permit: OR0020737; Effective

Permit expires: October 2030

Population served: 16,555; CWNS 2022

Dallas WWTP is a publicly owned wastewater treatment works in Rickreall, Polk County, Oregon treating an average of 2.77 million gallons per day against a permitted design capacity of 2 MGD, serving about 16,555 residents. It discharges under NPDES permit OR0020737 (effective), which expires in October 2030, with 16 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Dallas WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 16

Effluent violations: 15

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

Key contacts

1 verified contact for Dallas WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Dallas WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Oregon

Monmouth STP

Monmouth · 5 mi away

1.56 MGD

Independence STP

Independence · 5 mi away

1.02 MGD

Falls City STP

Falls City · 9 mi away

0.04 MGD

Willow Lake WWTP

Salem · 12 mi away

42.45 MGD

Sheridan WWTP

Sheridan · 13 mi away

—

Amity STP

Amity · 14 mi away

0.29 MGD

Willamina STP

Willamina · 15 mi away

0.48 MGD

Brooks Sewage Treatment Plant

Brooks · 16 mi away

0.19 MGD

Dallas 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 18, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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