How much wastewater does Bismarck City Of (potw) treat?

Bismarck City Of (potw) treats an average of 7.66 MGD and is permitted for a design flow of 10.68 MGD.

What treatment technology does Bismarck City Of (potw) use?

Klarifi has identified uncovered lagoons, biogas balloons, attached growth, aerobic, biosolids anaerobic digestion without energy recovery, biosolids mechanical dewatering, dechlorination, disinfection, chlorine/ chloramine, flow equalization, primary clarification or sedimentation, screening at the Bismarck facility.

What is the NPDES permit for Bismarck City Of (potw)?

The facility discharges under NPDES permit ND0023434, currently effective, expiring June 2028.

Is Bismarck City Of (potw) in compliance?

Discharge monitoring reports show no violations at Bismarck City Of (potw) in the last three years.

Who operates Bismarck City Of (potw) and how do I contact them?

Bismarck City Of (potw) is a publicly owned treatment works in Bismarck, North Dakota. Klarifi lists 3 verified decision-maker contacts for this facility, available with a free trial.

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Bismarck City Of (potw)

Bismarck, ND · Burleigh County · Publicly Owned Treatment Works

Average flow: 7.66 MGD

Design flow: 10.68 MGD

NPDES permit: ND0023434; Effective

Permit expires: June 2028

Population served: 75,230; CWNS 2022

Bismarck City Of (potw) is a publicly owned wastewater treatment works in Bismarck, Burleigh County, North Dakota treating an average of 7.66 million gallons per day against a permitted design capacity of 10.68 MGD, serving about 75,230 residents. Treatment on site includes uncovered lagoons, biogas balloons, attached growth, aerobic, biosolids anaerobic digestion without energy recovery, biosolids mechanical dewatering and other unit processes. It discharges under NPDES permit ND0023434 (effective), which expires in June 2028, with 0 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Uncovered lagoons

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Biogas balloons

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Attached Growth, Aerobic

unit process

Biosolids Anaerobic Digestion without Energy Recovery

unit process

Biosolids Mechanical Dewatering

unit process

Dechlorination

unit process

Disinfection, chlorine/ chloramine

unit process

Flow Equalization

unit process

Primary Clarification or Sedimentation

unit process

Screening

unit process

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

3 verified contacts for Bismarck City Of (potw), with validated emails and direct phone numbers.

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

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Bismarck City Of (potw): 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 September 11, 2026; facility record last updated January 29, 2025.

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