What is the address of Arthur?

The address on the plant’s EPA facility record is 330 Main St, Arthur, ND 58006, in Cass County. Its coordinates are 47.1012, -97.2024. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Arthur treat?

Arthur 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 Arthur use?

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

What is the NPDES permit for Arthur?

The facility discharges under NPDES permit NDG321415, currently effective, expiring September 2029.

Is Arthur in compliance?

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

Who operates Arthur and how do I contact them?

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

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Arthur

330 Main St, Arthur, ND 58006 · Cass County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.001 MGD

NPDES permit: NDG321415; Effective

Permit expires: September 2029

Population served: 389; CWNS 2022

Arthur is a publicly owned wastewater treatment plant in Arthur, Cass County, North Dakota, serving about 389 residents. It discharges under NPDES permit NDG321415 (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 Arthur.

Available with a free Klarifi account

See the full treatment train at Arthur: 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 Arthur, with validated emails and direct phone numbers.

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

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Arthur: 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 December 2, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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