Cal. Code Regs. tit. 22, § 60688 – Monitoring Report.

(a) The OTNWS's treatment system's daily average treated flow in gallons per day;
(b) Volume of onsite treated nonpotable water produced and used daily in gallons;
(c) Daily summaries of continuous process verification monitoring parameters pursuant to Table 60688-1 for a pathogen control treatment train or parameters approved for an alternative treatment train pursuant to subsection (b) of section 60642;
(d) Descriptions of any malfunctions, breakdowns, upsets, bypasses, or other system operation anomalies, which includes information on dates, duration, and personnel responses to investigate and remediate the issue(s);
(e) Any public or building occupant and/or tenant complaints related to the OTNWS and any personnel responses or plans to follow up, investigate, and remediate the issue(s);
(f) Results of the monitoring performed in accordance with section 60678; and
(g) Any additional monitoring parameters that the local jurisdiction determines are necessary to demonstrate how the OTNWS will operate as designed.
Table60688-1. Continuous process verification monitoring parameters for reporting
Treatment Process
Parameter
Units
Reporting parameter
MBR
Effluent turbidity
NTU
Daily maximum, Rolling 24-hour 95th percentile
UV disinfection
Influent turbidity
NTU
Daily maximum, Rolling 24-hour 95^th percentile
UV disinfection
Ultraviolet dose
mJ/cm²
Daily minimum
UV disinfection
Ultraviolet transmittance
%
Daily minimum
Chlorine disinfection
Flow rate
Gpm
Daily minimum, daily maximum
Chlorine disinfection
Influent chlorine dose
mg/L
Daily minimum
Chlorine disinfection
Effluent free chlorine residual
mg/L
Daily minimum
Chlorine disinfection
Influent ammonia
mg/L
Daily maximum
Chlorine disinfection
Influent turbidity
NTU
Daily maximum
Chlorine disinfection
Influent pH
Standard units
Daily maximum
Chlorine disinfection
Influent water temperature
°C or °F
Daily minimum
Membrane filtration
Effluent turbidity
NTU
Daily maximum, Rolling 24-hour 95th percentile

OTNWS monitoring results must be reported to the local jurisdiction in a format approved by the local jurisdiction at least quarterly. The monitoring report must include the following information:

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).