1. (a) Pathogen control treatment trains described in section 60632 are exempt from the requirements of this section.
2. (b) Alternatives to pathogen control treatment trains, as authorized pursuant to section 60634, must be field verified during the commissioning period to confirm that the full-scale treatment train can achieve the required pathogen log reduction, and that operational monitoring and control systems are functional.
3. (c) Field verification test runs must be conducted when an OTNWS has achieved normal operating conditions.
4. (d) Field verification must consist of at least eight different test runs involving different operational parameters. At least one of the eight test runs must demonstrate an operational condition where the expected influent flow rate and/or water quality parameter(s) entering the treatment train is the most challenging for one or more treatment processes.
5. (e) The procedure and test run conditions for field verification must be described in the commissioning plan submitted for the local jurisdiction's review and approval as described in section 60684. The local jurisdiction must consult with the State Board prior to the approval of the field verification study.

Note: Authority cited: Sections 13558 and 13558.1, Water Code; and Sections 116271 and 116350, Health and Safety Code. Reference: Sections 13558 and 13558.1, Water Code.

History

1. New article 5 (sections 60640-60642) and section filed 4-22-2026; operative 4-22-2026 pursuant to Water Code section 13558(f) (Register 2026, No. 17).