Use of Recycled Water for Other Purposes.

22 CCR 60307

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22 CCR 60307

§ 60307. Use of Recycled Water for Other Purposes.

(a)

Recycled water used for the following shall be disinfected tertiary recycled water, except that for filtration being provided pursuant to Section 60301.320(a) coagulation need not be used as part of the treatment process provided that the filter effluent turbidity does not exceed 2 NTU, the turbidity of the influent to the filters is continuously measured, the influent turbidity does not exceed 5 NTU for more than 15 minutes and never exceeds 10 NTU, and that there is the capability to automatically activate chemical addition or divert the wastewater should the filter influent turbidity exceed 5 NTU for more than 15 minutes:

(1)

Flushing toilets and urinals,

(2)

Priming drain traps,

(3)

Industrial process water that may come into contact with workers,

(4)

Structural fire fighting,

(5)

Decorative fountains,

(6)

Commercial laundries,

(7)

Consolidation of backfill around potable water pipelines,

(8)

Artificial snow making for commercial outdoor use, and

(9)

Commercial car washes, including hand washes if the recycled water is not heated, where the general public is excluded from the washing process.

(b)

Recycled water used for the following uses shall be at least disinfected secondary-23 recycled water:

(1)

Industrial boiler feed,

(2)

Nonstructural fire fighting,

(3)

Backfill consolidation around nonpotable piping,

(4)

Soil compaction,

(5)

Mixing concrete,

(6)

Dust control on roads and streets,

(7)

Cleaning roads, sidewalks and outdoor work areas and

(8)

Industrial process water that will not come into contact with workers.

(c)

Recycled water used for flushing sanitary sewers shall be at least undisinfected secondary recycled water.

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