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Recycled Water Uses Allowed' in California This summary is prepared for WateReuse Association from the December 2,2000-adopted Title 22 Water Recycling Criteria and supersedes all earlier versions. Treatment Level Disinfected Disinfected Disinfected Undisinfected Use of Recycled Water Tertiary Secondary-2.2 Secondary-23 Secondary Recycled Water Recycled Water Recycled Water Recycled Water. Other uses: Groundwater Recharge Allowed under special case-by-case permits by RWQCBs Flushing toilets and urinals Allowed Not allowed Not allowed Not allowed Priming drain traps Allowed Not allowed Not allowed Not allowed Industrial process water that may contact Allowed Not allowed Not allowed Not allowed workers Structural fire fighting Allowed Not allowed Not allowed Not allowed Decorative fountains Allowed Not allowed Not allowed Not allowed Commercial laundries Allowed Not allowed Not allowed Not allowed Consolidation of backfill material around potable Allowed Not allowed Not allowed Not allowed water pipelines Artificial snow making for commercial outdoor Allowed Not allowed Not allowed Not allowed uses Commercial car washes, not heating the water, excluding the general public from washing Allowed Not allowed Not allowed Not allowed process Industrial process water that will not come into Allowed Allowed Allowed Not allowed contact with workers Industrial boiler feed Allowed Allowed Allowed Not allowed Nonstructural fire fighting Allowed Allowed Allowed Not allowed Backfill consolidation around nonpotable piping Allowed Allowed Allowed Not allowed Soil compaction Allowed Allowed Allowed Not allowed Mixing concrete Allowed Allowed Allowed Not allowed Dust control on roads and streets Allowed Allowed Allowed Not allowed Cleaning roads, sidewalks and outdoor work Allowed Allowed Allowed I Not allowed areas Flushing sanitary sewers Allowed Allowed Allowed Allowed t Refer to the full text of the December 2,2000 version of Title 22: California Code of Regulations,Chapter 3 Water Recycling Criteria. This chart is only an informal summary of the uses allowed in this version. The complete and final 12/02/2000 version of the adopted criteria can be downloaded from: http://www,d hs.ca.g ov/ps/ddwem/publications/Reg ulations/recycleregs_index.htm 2 Allowed with"conventional tertiary treatment." Additional monitoring for two years or more is necessary with direct filtration. 3 Drift eliminators and/or biocides are required if public or employees can be exposed to mist. 4 Refer to Groundwater Recharge Guidelines,available from the California Department of Health Services. Prepared by Bahman Sheikh and edited by EBMUD Office of Water Recycling,who acknowledge this is a summary and not the formal version of the regulations referenced above. Appendix-i-18 of 18 08/22/07 WateReuse Association 2 (916)442-2746 www.watereuse.org