1501.7 Minimum Water Quality Requirements

[BSC- CG, HCD 1 & DWR] The minimum water quality for alternate water source systems shall meet the applicable water quality requirements for the intended application as determined by the Authority Having Jurisdiction. In the absence of water quality requirements, for on-site treated nonpotable systems, the water quality requirements of IAPMO IGC 324 or NSF/ANSI 350 shall apply. [BSC-CG & HCD 1] Water quality requirements for on-site treated nonpotable graywa- ter shall comply with this section and Section 1506.10.2.

Exception s :

(1) Water treatment is not required for gray water used in a disposal field or for subsurface or subsoil irrigation.

(2) [DWR] Recycled water shall comply with the water quality requirements of Section 1505.15.

ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS

TABLE 1501.5 [BSC-CG] RECOMMENDED MINIMUM ALTERNATE WATER SOURCE TESTING, INSPECTION, AND MAINTENANCE FREQUENCY

DESCRIPTION	MINIMUM FREQUENCY
Inspect and clean filters and screens, and replace (where necessary).	In accordance with manufacturer’s instructions, and/or the Authority Having Jurisdiction, or every 3 months.
Inspect and verify that disinfection, filters, and water quality treatment devices and systems are operational and maintaining minimum water qual- ity requirements as determined by the Authority Having Jurisdiction.	In accordance with manufacturer’s instructions, and the Authority Having Jurisdiction.
Inspect pumps and verify operation.	In accordance with manufacturer’s instructions, and/or the Authority Having Jurisdiction, or after installation and every 12 months thereafter.
Inspect valves and verify operation.	In accordance with manufacturer’s instructions, and/or Authority Having Jurisdiction, or after installation and every 12 months thereafter.
Inspect pressure tanks and verify operation.	In accordance with manufacturer’s instructions, and/or the Authority Having Jurisdiction, or after installation and every 12 months thereafter.
Clear debris from and inspect storage tanks, lock- ing devices, and verify operation.	In accordance with manufacturer’s instructions, and/or the Authority Having Jurisdiction, or after installation and every 12 months thereafter.
Inspect caution labels and marking.	In accordance with manufacturer’s instructions, and/or the Authority Having Jurisdiction, or after installation and every 12 months thereafter.
Inspect and maintain mulch basins for gray water irrigation systems.	As needed to maintain mulch depth and prevent ponding and runoff.
Cross-connection inspection and test*	In accordance with this chapter, and/or the Authority Having Jurisdiction, or after installation and every 12 months thereafter.

The cross-connection test shall be performed in the presence of the Authority Having Jurisdiction in accordance with the requirements of this chapter , unless site conditions do not require it. Alternate testing requirements shall be permitted by the Authority Having Jurisdiction ..