1. (a) An OTNWS must be able to automatically cease delivery of onsite treated nonpotable water when the water does not comply with section 60642.
2. (b) No more than 15 minutes of time delay is allowed between when the alarm is triggered by the SCADA system and the delivery of onsite treated nonpotable water is ceased.
3. (c) An OTNWS must be equipped with all necessary provisions to enable fully automatic diversion, including diversion devices, provisions for odor control, conduits, pumping equipment, and any and all necessary sensors, instruments, valves, and other devices. The diversion equipment must be able to function independently of the primary power supply used for the OTNWS. If diversion is directed as discharge to the community sewer, storm sewer, or off-site storm drainage systems, the responsible entity must confirm the necessary requirements and obtain approvals from the relevant local jurisdiction and/or utility providers prior to discharging.
4. (d) Prior to restarting delivery of onsite treated nonpotable water following diversion of the water, the responsible entity must investigate the cause of not meeting pathogen log reduction targets and complete corrective actions. The responsible entity must submit a report describing the incident and completed corrective actions to the local jurisdiction. Local jurisdiction approval must be obtained prior to restarting the OTNWS operation.

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 section filed 4-22-2026; operative 4-22-2026 pursuant to Water Code section 13558(f) (Register 2026, No. 17).