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EWG's Tap Water Database — 2021 UPDATE

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Silver

Goleta Water 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.

MORE ABOUT THIS CONTAMINANT

 

69

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND200ND
2016ND120ND
2017ND70ND
2018ND90ND
2019ND110ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-189590-001-1220ND
2014-03-189590-001-1127ND
2014-04-229590-001-1125ND
2014-08-279590-001-1057ND
2014-09-309590-001-1140ND
2014-10-219590-001-1100ND
2014-12-039590-001-1100ND
2014-12-099590-034-1200ND
2014-12-299590-035-1212ND
2014-12-299590-013-1315ND
2015-01-159590-001-1157ND
2015-02-049590-033-1158ND
2015-02-129590-001-1242ND
2015-03-119590-001-1238ND
2015-03-269590-031-0955ND
2015-04-159590-026-1128ND
2015-04-169590-001-1129ND
2015-06-299590-001-1016ND
2015-07-239590-001-1107ND
2015-08-119590-001-1025ND
2015-08-139590-013-1250ND
2015-09-169590-001-1209ND
2015-10-019590-034-1205ND
2015-10-139590-001-1230ND
2015-10-289590-032-1020ND
2015-11-109590-001-1020ND
2015-11-189590-018-1221ND
2015-11-239590-035-1100ND
2015-12-029590-001-1204ND
2015-12-089590-001-1110ND
2016-02-089590-001-1049ND
2016-03-309590-018-0915ND
2016-05-189590-013-1058ND
2016-06-149590-026-1040ND
2016-07-199590-038-1100ND
2016-08-029590-042-1030ND
2016-08-109590-041-1100ND
2016-08-169590-040-1030ND
2016-08-249590-001-1028ND
2016-10-059590-033-1045ND
2016-10-109590-045-1110ND
2016-11-169590-033-1045ND
2017-04-129590-013-1200ND
2017-05-049590-033-1100ND
2017-08-039590-042-1100ND
2017-11-079590-035-1030ND
2017-11-209590-041-1000ND
2017-11-279590-058-1100ND
2017-11-289590-059-1030ND
2018-03-069590-032-1045ND
2018-03-079590-034-1030ND
2018-03-159590-031-1030ND
2018-03-209590-035-1030ND
2018-03-269590-001-1030ND
2018-04-119590-018-1030ND
2018-05-149590-033-1045ND
2018-05-159590-026-1045ND
2018-08-159590-013-1100ND
2019-03-219590-042-1105ND
2019-04-259588-041-1030ND
2019-05-029588-038-1030ND
2019-05-099588-040-1030ND
2019-05-149588-058-1030ND
2019-05-219588-058-1030ND
2019-08-279588-018-1020ND
2019-09-179588-033-1015ND
2019-10-109588-013-1125ND
2019-11-139588-026-1123ND
2019-11-149588-059-1015ND