What is the address of Waubun?

The address on the plant’s EPA facility record is PO Box 187, Waubun, MN 56589, in Mahnomen County. Its coordinates are 47.1759, -95.9394. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Waubun treat?

Waubun is permitted for a design flow of 0.47 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Waubun use?

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

What is the NPDES permit for Waubun?

The facility discharges under NPDES permit MN0022110, currently administratively continued, expiring May 2023.

Is Waubun in compliance?

Discharge monitoring reports show 5 violations at Waubun in the last three years, 5 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Waubun and how do I contact them?

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

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Waubun

PO Box 187, Waubun, MN 56589 · Mahnomen County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.47 MGD

NPDES permit: MN0022110; Administratively continued

Permit expires: May 2023

Population served: 431; CWNS 2022

Waubun is a publicly owned wastewater treatment plant in Waubun, Mahnomen County, Minnesota, serving about 431 residents. It discharges under NPDES permit MN0022110 (administratively continued), which expires in May 2023, with 5 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Waubun.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 5

Effluent violations: 5

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

Key contacts

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

Unlock 1 verified contact

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

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Nearby wastewater treatment plants in Minnesota

Ogema WWTP

Ogema · 5 mi away

0.07 MGD

White Earth Wwsl

White Earth · 7 mi away

0.09 MGD

Mahnomen WWTP

Mahnomen · 8 mi away

2.32 MGD

Callaway WWTP

Callaway · 14 mi away

0.13 MGD

Ulen WWTP

Ulen Township · 15 mi away

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Naytahwaush Wwsl

Naytahwaush · 16 mi away

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Twin Valley

Twin Valley · 17 mi away

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Bejou-Well #2 Entry Point

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Waubun: 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 November 6, 2025.

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

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