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Recycled Water Uses
 
Recycled Water Uses



Authorized Uses of Recycled Water

Recycled water produced by City of Scotts Valley meets disinfected tertiary treatment levels.

"Uses of Recycled Water" - an exerpt from "The Purple Book" which contains all California Health Laws Related to Recycled Water.


 X = Use is Allowed
  Treatment Level
Irrigation Disinfected Tertiary Recycled Water Disinfected Secondary-2.2 Recycled Water Disinfected Secondary-23 Recycled Water Undisinfected Secondary Recycled Water
Food crops where recycled water contacts the edible portion of the crop, including all root crops X      
Parks and playgrounds X      
School yards X      
Residential landscaping X      
Unrestricted access golf courses X      
Any other irrigation uses not prohibited by other provisions of the California Code of Regulations X      
Food crops where edible portion is produced above ground and not contacted by recycled water X X    
Cemeteries X X X  
Freeway landscaping X X X  
Restricted access golf courses X X X  
Ornamental nursery stock and sod farms X X X  
Pasture for milk animals X X X  
Nonedible vegetation with access control to prevent use as a park, playground or school yard X X X  
Orchards with no contact between edible portion and recycled water X X X X
Vineyards with no contact between edible portion and recycled water X X X X
Non food-bearing trees, including Christmas trees not irrigated less than 14 days before harvest X X X X
Fodder crops (e.g. alfalfa) and fiber crops (e.g. cotton) X X X X
Seed crops not eaten by humans X X X X
Food crops that undergo commercial pathogen-destroying processing before consumption by humans X X X X
Ornamental nursery stock, sod farms not irrigated less than 14 days before harvest X X X X

  Treatment Level
Supply for Impoundment Disinfected Tertiary Recycled Water Disinfected Secondary-2.2 Recycled Water Disinfected Secondary-23 Recycled Water Undisinfected Secondary Recycled Water
Non-restricted recreational impoundments, with supplemental monitoring for pathogenic organisms X1      
Restricted recreational impoundments and publicly accessible fish hatcheries X X    
Landscape impoundments without decorative fountains X X X  

  Treatment Level
Supply for Cooling or Air Conditioning Disinfected Tertiary Recycled Water Disinfected Secondary-2.2 Recycled Water Disinfected Secondary-23 Recycled Water Undisinfected Secondary Recycled Water
Supply for Cooling or Air Conditioning Industrial or commercial cooling or air conditioning involving cooling tower, evaporative condenser, or spraying that creates a mist X2      
Industrial or commercial cooling or air conditioning not involving a cooling tower, evaporative condenser, or spraying that creates a mist X X X  

  Treatment Level
Other Uses Disinfected Tertiary Recycled Water Disinfected Secondary-2.2 Recycled Water Disinfected Secondary-23 Recycled Water Undisinfected Secondary Recycled Water
Groundwater recharge Allowed under special case-by-case permits by RWQCBs3
Flushing toilets and urinals X      
Priming drain traps X      
Industrial process water that may contact workers X      
Structural fire fighting X      
Decorative fountains X      
Commercial laundries X      
Consolidation of backfill material around potable water pipelines X      
Artificial snow making for commercial outdoor uses X      
Commercial car washes X      
Industrial boiler feed X X X  
Nonstructural fire fighting X X X  
Backfill consolidation around nonpotable piping X X X  
Soil compaction X X X  
Mixing concrete X X X  
Dust control on roads and streets X X X  
Cleaning roads, sidewalks and outdoor work areas X X X  
Flushing sanitary sewers X X X X

1 With "conventional tertiary treatment." Additional monitoring for two years or more is necessary with direct filtration.

2 Drift Eliminators and/or biocides are required if public or employees can be exposed to mist.

3 Refer to Groundwater Recharge Guidelines, California Department of Health Services.