Swimming Pool Establishments

The Environmental Health Division license and regulates public and semi-public swimming pools in Bismarck. This includes pools at hotels, motels, condominiums and apartment complexes. Environmental Health does not regulate residential swimming pools. Bismarck’s Building Inspections Division enforces barrier protection for residential swimming pools. Contact Bismarck’s Building Inspections Division at (701) 355-1465 if you have questions/concerns regarding residential swimming pools.

A person may not construct, alter or reconstruct any public or semipublic swimming pool without submitting the plans and specifications to the Environmental Health Division and Building Inspections Division for approval. The plans must be drawn to scale and accompanied by proper specifications so as to permit a comprehensive engineering review of the plans including the piping and hydraulic details and must include:

  • Plan and sectional views with all necessary dimensions of both the pool and surrounding area.
  • A piping diagram showing all appurtenances including treatment facilities in sufficient detail, as well as appurtenant elevation data, to permit a hydraulic analysis of the system.
  • The specifications shall contain details on all treatment equipment, including catalog identification of pumps, chlorinators, chemical feeders, filters, strainers, interceptors and related equipment.

Operational requirements for Public & Semi-public pool include:

  • Routine bacteriological sampling conducted at least twice a month - Bismarck Environmental Health staff collect pool samples once during the first half of the month (1st through the 15th). It is the pool operators responsibility to submit pool samples the once during the second half of the month (16th through the 29th). Bismarck’s water lab hours and holiday weeks
  • Swimming pool water must have sufficient clarity at all times so that the main drain or drains located at the deep end of the pool are clearly visible from the pool deck.
  • All public and semi-public pools must be equipped with automatic monitoring and chemical feeding equipment and shall disinfect the pool water by continuous chlorination or other elements in the halogen group (i.e.: bromine or iodine)
  • Pool operators must keep a daily record of operation of the recirculation system, chemical additions, pH and chlorine residuals, and bathing load. Chlorine and pH testing must be performed and recorded at least three times daily (once a day for condominium/apartment pools due to the limited usage). Fecal, vomit and blood contamination incidents shall be documented in the daily record.

Public/Semi-public Swimming Pool Application

City Ordinance – pertaining to public/semi-public swimming pools