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EWG's Tap Water Database — 2019 UPDATE

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Silver

California Water Service (CWS) - Salinas

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.

 

63

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND90ND
2013ND130ND
2014ND80ND
2015ND70ND
2016ND130ND
2017ND130ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-149590-106-1330ND
2012-02-149590-009-1250ND
2012-03-079590-037-1402ND
2012-03-089590-041-1146ND
2012-04-189590-010-1148ND
2012-04-199590-008-1040ND
2012-06-149590-006-1016ND
2012-07-249590-104-1438ND
2012-09-209590-005-1139ND
2013-01-179590-017-1350ND
2013-01-239590-024-1258ND
2013-01-249590-043-1448ND
2013-01-249590-015-1045ND
2013-01-249590-022-1348ND
2013-01-299590-018-1004ND
2013-03-129590-014-1335ND
2013-03-129590-023-1439ND
2013-05-099590-103-1457ND
2013-05-099590-102-1314ND
2013-06-139590-020-1135ND
2013-11-149590-123-1350ND
2013-12-269590-131-1159ND
2014-01-159590-019-1331ND
2014-04-229590-039-1112ND
2014-06-179590-026-1239ND
2014-08-139590-028-1355ND
2014-08-259590-030-1105ND
2014-08-269590-029-1025ND
2014-09-259590-027-0937ND
2014-09-259590-046-1343ND
2015-02-189590-106-1315ND
2015-02-189590-009-1400ND
2015-03-119590-041-1030ND
2015-03-119590-037-1110ND
2015-04-219590-008-1453ND
2015-06-039590-006-1010ND
2015-07-229590-005-1536ND
2016-01-269590-020-1326ND
2016-01-279590-018-1020ND
2016-02-039590-022-1410ND
2016-02-109590-103-1330ND
2016-02-169590-103-1433ND
2016-02-229590-024-1515ND
2016-03-039590-015-1433ND
2016-05-049590-017-1429ND
2016-05-129590-102-1427ND
2016-06-289590-023-1358ND
2016-12-289590-027-1513ND
2016-12-289590-123-1442ND
2016-12-299590-008-1415ND
2017-01-109590-019-1355ND
2017-02-279590-027-1516ND
2017-03-029590-132-1050ND
2017-08-159590-026-1426ND
2017-08-239590-029-1413ND
2017-09-199590-046-1423ND
2017-10-179590-030-1331ND
2017-11-209590-014-1416ND
2017-11-209590-008-1341ND
2017-11-219590-104-1352ND
2017-11-219590-131-1252ND
2017-11-289590-043-1424ND
2017-11-299590-030-1455ND