What is the address of Ashley Wwsl?

The address on the plant’s EPA facility record is 114 W. Oakley, Ashley, MI 48806, in Gratiot County. Its coordinates are 43.1803, -84.4712. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Ashley Wwsl treat?

Ashley Wwsl treats an average of 0.65 MGD.

What treatment technology does Ashley Wwsl use?

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

What is the NPDES permit for Ashley Wwsl?

The facility discharges under NPDES permit MIG580059, currently administratively continued, expiring April 2024.

Is Ashley Wwsl in compliance?

Discharge monitoring reports show 38 violations at Ashley Wwsl in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ashley Wwsl and how do I contact them?

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

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Ashley Wwsl

114 W. Oakley, Ashley, MI 48806 · Gratiot County · Publicly Owned Treatment Works

Average flow: 0.65 MGD

Design flow: —

NPDES permit: MIG580059; Administratively continued

Permit expires: April 2024

Population served: 519; CWNS 2022

Ashley Wwsl is a publicly owned wastewater treatment plant in Ashley, Gratiot County, Michigan treating an average of 0.65 million gallons per day, serving about 519 residents. It discharges under NPDES permit MIG580059 (administratively continued), which expires in April 2024, with 38 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Ashley Wwsl.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 38

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 Ashley Wwsl.

No verified contacts on file yet

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Nearby wastewater treatment plants in Michigan

Elsie Wwsl

Elsie · 7 mi away

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Ithaca Wwsl

Ithaca · 9 mi away

2.58 MGD

Maple Rapids Wwsl

Maple Rapids · 12 mi away

0.91 MGD

Perrinton Wwsl

Perrinton · 12 mi away

1.92 MGD

Ovid Wwsl

Ovid · 14 mi away

1.47 MGD

Oakley Wwsl

Oakley · 15 mi away

0.75 MGD

Alma Wastewater Treatment Plant

Alma · 17 mi away

1.52 MGD

Breckenridge Wwsl

Breckenridge · 17 mi away

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Ashley Wwsl: 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 19, 2026; facility record last updated April 4, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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