What is the address of Casselton City Of?

The address on the plant’s EPA facility record is 702 1st St N, Casselton, ND 58012, in Cass County. Its coordinates are 46.9020, -97.2108. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Casselton City Of treat?

Casselton City Of treats an average of 2.85 MGD and is permitted for a design flow of 8.6 MGD.

What is the NPDES permit for Casselton City Of?

The facility discharges under NPDES permit ND0020567, currently effective, expiring September 2029.

Is Casselton City Of in compliance?

Discharge monitoring reports show 18 violations at Casselton City Of in the last three years. The full history is available in Klarifi.

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

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

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Casselton City Of

702 1st St N, Casselton, ND 58012 · Cass County · Publicly Owned Treatment Works

Average flow: 2.85 MGD

Design flow: 8.6 MGD

NPDES permit: ND0020567; Effective

Permit expires: September 2029

Population served: 2,689; CWNS 2022

Casselton City Of is a publicly owned wastewater treatment plant in Casselton, Cass County, North Dakota treating an average of 2.85 million gallons per day against a permitted design capacity of 8.6 MGD, serving about 2,689 residents. It discharges under NPDES permit ND0020567 (effective), which expires in September 2029, with 18 recorded violations in the last three years.

Treatment technology

Treatment structures and unit processes at Casselton City Of.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations: 18

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 Casselton City Of, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

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Casselton 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 19, 2026; facility record last updated December 20, 2024.

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

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