What is the address of Highwood WWTP?

The address on the plant’s EPA facility record is Willow Lane, Highwood, MT 59450, in Chouteau County. Its coordinates are 47.5837, -110.8127. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Highwood WWTP treat?

Highwood WWTP treats an average of 0.04 MGD and is permitted for a design flow of 0.26 MGD.

What treatment technology does Highwood WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Highwood facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Highwood WWTP?

The facility discharges under NPDES permit MT0022080, currently administratively continued, expiring September 2023.

Is Highwood WWTP in compliance?

Discharge monitoring reports show 155 violations at Highwood WWTP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Highwood WWTP and how do I contact them?

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

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Highwood WWTP

Willow Lane, Highwood, MT 59450 · Chouteau County · Publicly Owned Treatment Works

Average flow: 0.04 MGD

Design flow: 0.26 MGD

NPDES permit: MT0022080; Administratively continued

Permit expires: September 2023

Population served: —; CWNS 2022

Highwood WWTP is a publicly owned wastewater treatment works in Highwood, Chouteau County, Montana treating an average of 0.04 million gallons per day against a permitted design capacity of 0.26 MGD. It discharges under NPDES permit MT0022080 (administratively continued), which expires in September 2023, with 155 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Highwood WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 155

Effluent violations: 8

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

Key contacts

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

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

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Town Of Belt - WWTP

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Fort Benton WWTP

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Stockett Water And Sewer District Domestic Wastewater Treatment Facility

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City Of Great Falls WWTP

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Great Falls WTP

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Town Of Geraldine WWTF

Geraldine · 26 mi away

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Sun Prairie Village WWTP

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Vaughn WWTF

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Highwood 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 September 15, 2026.

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

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