Cruise Ship Potable Water Bacteriological Sampling Log

Inspection log for documenting bacteriological sampling of a cruise ship potable water system, including sample locations, collection details, laboratory results, and corrective actions for out-of-spec findings in support of CDC Vessel Sanitation Program expectations.

Inspection Identification

• Vessel name and voyage identifier recorded
• Sampling event date and time recorded
• Inspection type identified as routine, follow-up, or investigative
• Inspector or sampler name and role recorded
• Reference SOP or CDC VSP sampling procedure documented

Sampling Location and Collection Details

• Sample location identifier and exact fixture or outlet recorded
• Sampling point category selected
• Sample collection date and time recorded at point of collection
• Sample volume collected documented
• Residual disinfectant measured at sampling point
• Water temperature at sampling point recorded

Chain of Custody and Laboratory Submission

• Sample container and preservative requirements verified
• Chain-of-custody form completed and sample ID matches log entry
• Laboratory name and accreditation status recorded
• Sample received by laboratory within required holding time
• Transport conditions maintained within specified range

Laboratory Results and Acceptance Criteria

• Total coliform result recorded
• E. coli result recorded
• Heterotrophic plate count or equivalent result recorded
• Legionella result recorded when required by sampling plan
• Result compared against shipboard acceptance criteria
• Any non-conformance or out-of-spec result identified

Corrective Actions and Follow-Up

• Immediate corrective action documented for any failed or out-of-spec result
• Affected area isolated, flushed, disinfected, or otherwise controlled as required
• Retest or resampling scheduled with target date
• Responsible department or officer assigned follow-up