What is the address of Litchfield WWTP?

The address on the plant’s EPA facility record is 1350 Armstrong Ave N, Litchfield, MN 55355, in Meeker County. Its coordinates are 45.1417, -94.5209. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Litchfield WWTP treat?

Litchfield WWTP treats an average of 1.94 MGD and is permitted for a design flow of 3.1 MGD.

What treatment technology does Litchfield WWTP use?

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

What is the NPDES permit for Litchfield WWTP?

The facility discharges under NPDES permit MN0023973, currently effective, expiring December 2030.

Is Litchfield WWTP in compliance?

Discharge monitoring reports show 22 violations at Litchfield WWTP in the last three years, 6 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Litchfield WWTP and how do I contact them?

Litchfield WWTP is a publicly owned treatment works in Litchfield, Minnesota. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Litchfield WWTP

1350 Armstrong Ave N, Litchfield, MN 55355 · Meeker County · Publicly Owned Treatment Works

Average flow: 1.94 MGD

Design flow: 3.1 MGD

NPDES permit: MN0023973; Effective

Permit expires: December 2030

Population served: 6,624; CWNS 2022

Litchfield WWTP is a publicly owned wastewater treatment works in Litchfield, Meeker County, Minnesota treating an average of 1.94 million gallons per day against a permitted design capacity of 3.1 MGD, serving about 6,624 residents. It discharges under NPDES permit MN0023973 (effective), which expires in December 2030, with 22 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Litchfield WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 22

Effluent violations: 6

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

Key contacts

2 verified contacts for Litchfield WWTP, with validated emails and direct phone numbers.

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

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Darwin WWTP

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Grove City WWTP

Grove City · 8 mi away

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Dassel WWTP

Dassel · 10 mi away

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Atwater

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Cedar Mills WWTP

Cedar Mills · 14 mi away

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Cosmos WWTP

Cosmos Township · 16 mi away

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Green Lake Sswd

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Cokato WWTP

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Litchfield 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 March 6, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms

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