1. (a) Alternatives to pathogen control treatment trains specified in section 60632 may be used if the proposed alternative will meet the requirements of pathogen log reduction targets in Table 60630-1. The local jurisdiction must consult with the State Board for any alternatives to pathogen control treatment trains prior to approving and issuing a local jurisdiction permit for the operation of an OTNWS.

2. (b) Alternatives to pathogen control treatment trains in section 60632 must:

   1. (1) Consist of multiple treatment processes which include at least one filtration process and one disinfection process. Each treatment process may be credited with no more than 6-log reduction for each pathogen;
   2. (2) Consist of treatment processes that are validated for pathogen log reduction as documented by a validation study report approved by the local jurisdiction and meeting the requirements of section 60682; and
   3. (3) Complete a field verification of treatment train performance during the commissioning period pursuant to section 60640.

3. (c) An alternative to pathogen control treatment trains in section 60632 are exempt from the requirements of subsections (b)(2) and (b)(3) of section 60634 if:

   1. (1) The treatment train solely consists of treatment processes meeting the requirements of subsections (b) through (e) of section 60632; or

   2. (2) The treatment train is an alternative to pathogen treatment train that:

      1. (A) Has successfully met the requirements of subsection (b); and
      2. (B) Has been approved for operations by a local jurisdiction.

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).