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EWG's Tap Water Database — 2021 UPDATE

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Silver

Cal-am Water Company - Duarte

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.

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51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND80ND
2015ND70ND
2016ND200ND
2017N/A00N/A
2018N/A00N/A
2019ND160ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-231225-002-1300ND
2014-06-231225-019-1005ND
2014-06-231225-010-1330ND
2014-06-231225-009-1135ND
2014-06-231225-008-1235ND
2014-06-231225-003-1110ND
2014-06-231225-007-1240ND
2014-12-039588-019-1020ND
2015-09-281225-003-1050ND
2015-09-281225-007-1200ND
2015-09-281225-010-0945ND
2015-09-281225-009-1345ND
2015-09-281225-008-1330ND
2015-10-141225-019-0945ND
2015-10-141225-002-1205ND
2016-06-201225-019-1115ND
2016-06-201225-010-1135ND
2016-06-201225-008-1145ND
2016-07-201225-009-1030ND
2016-07-201225-002-1110ND
2016-07-201225-003-1000ND
2016-07-201225-007-0930ND
2016-08-109590-008-1030ND
2016-08-109590-019-1125ND
2016-08-109590-010-1015ND
2016-08-109590-007-1045ND
2016-08-119590-002-1105ND
2016-08-119590-003-1205ND
2016-08-119590-009-1150ND
2016-09-079588-009-1400ND
2016-09-079588-002-1330ND
2016-09-079588-007-1245ND
2016-09-079588-008-1345ND
2016-09-079588-010-1315ND
2016-09-079588-003-1305ND
2019-02-069590-022-1230ND
2019-07-109590-008-1240ND
2019-07-109590-002-1310ND
2019-07-109590-022-1339ND
2019-07-109590-019-0930ND
2019-07-109590-003-1135ND
2019-07-109590-010-1335ND
2019-07-109590-007-1040ND
2019-07-109590-009-1210ND
2019-08-079588-019-1400ND
2019-08-079588-003-1400ND
2019-08-079588-010-1400ND
2019-08-079588-008-1400ND
2019-08-079588-002-1400ND
2019-08-079588-009-1400ND
2019-08-079588-007-1400ND