Water Quality

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Source Water Quality
IID annually coordinates with a state certified laboratory for the collection and analysis of Title 22 (of the California Code of Regulations) source water samples as a service to local public water treatment systems to facilitate the annual production of Consumer Confidence Reports. The data and a share of the incurred costs are forwarded to all of the participants in association with the Title 22 Joint Watershed Monitoring Program.

The All-American Canal and three main supply canals (East Highline, Central Main, and Westside Main) are sampled each year for numerous constituents as required by law and in coordination with the State Water Resources Control Board – Division of Drinking Water, formerly known as the Drinking Water Field Operations Branch of the California Department of Health Services.

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2015 All-American Canal Drop 4 [PDF]
East Highline Canal [PDF]
Central Main Canal [PDF]
Westside Main Canal [PDF]
Map Title 22 Sampling Sites [PDF]

For past Title 22 reports, please visit the Water Quality section of the IID water library.

Drainage Water Quality
For information on drainage water quality, click here.

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