What is the address of Gary WWTP?

The address on the plant’s EPA facility record is 115 1st Avenue, Gary, MN 56545, in Norman County. Its coordinates are 47.3632, -96.2499. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Gary WWTP treat?

Gary WWTP is permitted for a design flow of 0.03 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Gary WWTP use?

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

What is the NPDES permit for Gary WWTP?

The facility discharges under NPDES permit MNG585175, currently effective, expiring November 2028.

Is Gary WWTP in compliance?

Discharge monitoring reports show 163 violations at Gary WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Gary WWTP and how do I contact them?

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

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Gary WWTP

115 1st Avenue, Gary, MN 56545 · Norman County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.03 MGD

NPDES permit: MNG585175; Effective

Permit expires: November 2028

Population served: 227; CWNS 2022

Gary WWTP is a publicly owned wastewater treatment works in Gary, Norman County, Minnesota, serving about 227 residents. It discharges under NPDES permit MNG585175 (effective), which expires in November 2028, with 163 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Gary WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 163

Effluent violations: 1

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

Key contacts

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

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

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Gary 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 November 6, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms

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