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Sutherlin WWTP

Oakland, OR · Douglas County · Publicly Owned Treatment Works

Average flow
0.59 MGD
Design flow
1.3 MGD
NPDES permit
OR0020842
Effective
Permit expires
November 2029
Population served
8,787
CWNS 2022

Sutherlin WWTP is a publicly owned wastewater treatment works in Oakland, Douglas County, Oregon treating an average of 0.59 million gallons per day against a permitted design capacity of 1.3 MGD, serving about 8,787 residents. It discharges under NPDES permit OR0020842 (effective), which expires in November 2029, with 3 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations
3
Effluent violations
3

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

Key contacts

Decision-makers at Sutherlin WWTP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Oregon

Yoncalla WTP

Yoncalla · 15 mi away

0.06 MGD

0.09 MGD

Myrtle Creek WWTP

Myrtle Creek · 26 mi away

Riddle STP

Riddle · 31 mi away

0.07 MGD

Canyonville STP

Canyonville · 32 mi away

0.16 MGD

Creswell STP

Creswell · 40 mi away

0.35 MGD

0.43 MGD

Veneta STP

Veneta · 45 mi away

Sutherlin 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 September 11, 2026; facility record last updated May 24, 2025.


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