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Run: Boil Water Advisory Activation and Rescission SOP

A boil water advisory SOP for verifying the trigger, issuing public notice, coordinating sampling, and rescinding the advisory with documented evidence. Use ...

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Steps

Confirm the incident type, affected area, and suspected cause using field reports, pressure data, and operator observations. Document the exact date, time, location, and evidence used to support the trigger decision.
Contact the incident commander and water quality lead by radio or phone within 10 minutes of confirmation. Record the notification time, recipient names, and any immediate instructions in the incident log.
Review the triggering event against local boil water advisory criteria and document the decision basis. If laboratory or field evidence is incomplete, escalate to the incident commander for immediate review.
Prepare the public notice with the affected area, effective time, required boil instruction, contact information, and any customer-specific instructions. Verify that the message matches the approved incident scope before release.
Release the advisory through all required public channels within the required timeline. Record the exact release time, channels used, and approval reference in the incident log.
Collect required samples, label each container with location and time, and transfer them using completed chain-of-custody forms. Confirm that all samples are delivered to the certified lab without gaps in custody.
Enter the advisory start time, affected service area, reason for activation, and notification timestamps into the incident log. Confirm that the record matches the issued public notice and map or pressure zone reference.
Track corrective actions, sampling status, and laboratory results at least once per shift until rescission criteria are met. Document any deviations from the response timeline and escalate unresolved issues to the incident commander.
Compare the latest lab results and corrective-action evidence against local authority rescission criteria. If the evidence is incomplete, keep the advisory open and continue monitoring; if criteria are met, prepare the rescission package for approval.
Release the rescission notice only after all required laboratory confirmation and authority approvals are complete. Record the release time, channels used, and approval reference in the incident log.
Archive all notifications, sampling records, approvals, and timeline evidence in the incident record. Verify that the final file is complete and ready for compliance review or after-action analysis.

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