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EWG's Tap Water Database — 2021 UPDATE

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Silver

South Montebello Irrigation District

Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND30ND
2017ND10ND
2018N/A00N/A
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-222706-007-0845ND
2016-08-259588-003-1000ND
2016-08-259588-005-0935ND
2016-08-259588-009-1020ND
2017-08-309588-007-1035ND
2019-08-059588-003-1025ND
2019-08-059588-005-1000ND
2019-08-159588-009-1140ND