What is the address of Mountain City Of?

The address on the plant’s EPA facility record is 286 2nd Ave, Mountain, ND 58262, in Pembina County. Its coordinates are 48.6921, -97.8909. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Mountain City Of treat?

Mountain City Of is permitted for a design flow of 0.001 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Mountain City Of use?

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

What is the NPDES permit for Mountain City Of?

The facility discharges under NPDES permit NDG322691, currently effective, expiring September 2029.

Is Mountain City Of in compliance?

Discharge monitoring reports show 9 violations at Mountain City Of in the last three years. The full history is available in Klarifi.

Who operates Mountain City Of and how do I contact them?

Mountain City Of is a publicly owned treatment works in Mountain, North Dakota. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Mountain City Of

286 2nd Ave, Mountain, ND 58262 · Pembina County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.001 MGD

NPDES permit: NDG322691; Effective

Permit expires: September 2029

Population served: 106; CWNS 2022

Mountain City Of is a publicly owned wastewater treatment plant in Mountain, Pembina County, North Dakota, serving about 106 residents. It discharges under NPDES permit NDG322691 (effective), which expires in September 2029, with 9 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Mountain City Of.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 9

Effluent violations: 0

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

Key contacts

1 verified contact for Mountain City Of, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

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Nearby wastewater treatment plants in North Dakota

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Fairdale City Of

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St Thomas City Of

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Nekoma City Of

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Mountain City Of: 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 12, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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