What is the address of Audubon?

The address on the plant’s EPA facility record is 273 4th St, Audubon, MN 56511, in Becker County. Its coordinates are 46.8687, -95.9964. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Audubon treat?

Audubon is permitted for a design flow of 0.14 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Audubon use?

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

What is the NPDES permit for Audubon?

The facility discharges under NPDES permit MNG585148, currently effective, expiring November 2028.

Is Audubon in compliance?

Discharge monitoring reports show 50 violations at Audubon in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Audubon and how do I contact them?

Audubon is a publicly owned treatment works in Audubon, Minnesota. Klarifi lists decision-maker contacts for this facility, available with a free trial.

Try for free Log in

Audubon

273 4th St, Audubon, MN 56511 · Becker County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.14 MGD

NPDES permit: MNG585148; Effective

Permit expires: November 2028

Population served: 560; CWNS 2022

Audubon is a publicly owned wastewater treatment plant in Audubon, Becker County, Minnesota, serving about 560 residents. It discharges under NPDES permit MNG585148 (effective), which expires in November 2028, with 50 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Audubon.

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations: 50

Effluent violations: 8

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

Key contacts

Decision-makers at Audubon.

No verified contacts on file yet

Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.

Try Klarifi free

Nearby wastewater treatment plants in Minnesota

Lake Park WWTP

Lake Park · 6 mi away

—

Detroit Lakes WWTP

Detroit Lakes · 7 mi away

1.04 MGD

Callaway WWTP

Callaway · 8 mi away

0.13 MGD

Hitterdal WWTP

Hitterdal · 15 mi away

—

Hawley-Treatment Plant #1

Hawley · 15 mi away

0.17 MGD

White Earth Wwsl

White Earth · 17 mi away

0.09 MGD

Ogema WWTP

Ogema · 17 mi away

0.07 MGD

Ulen WWTP

Ulen Township · 19 mi away

—

Audubon: 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 June 30, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free