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EWG's Tap Water Database — 2021 UPDATE

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Silver

Big Bear City CSD

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND130ND
2015N/A00N/A
2016N/A00N/A
2017ND140ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-183761-016-1026ND
2014-06-183761-015-1039ND
2014-06-183761-014-1009ND
2014-06-183761-012-1048ND
2014-06-183761-010-1119ND
2014-06-183761-009-1111ND
2014-06-183761-008-1053ND
2014-06-183761-006-1001ND
2014-06-183761-005-1107ND
2014-06-183761-004-1103ND
2014-06-183761-003-0755ND
2014-06-183761-002-0921ND
2014-06-183761-001-0936ND
2017-05-313761-021-0800ND
2017-05-313761-001-0910ND
2017-05-313761-020-0800ND
2017-05-313761-016-0940ND
2017-05-313761-015-0840ND
2017-05-313761-014-0930ND
2017-05-313761-012-1000ND
2017-05-313761-010-1040ND
2017-05-313761-009-1020ND
2017-05-313761-008-0953ND
2017-05-313761-006-1130ND
2017-05-313761-005-1020ND
2017-05-313761-004-1015ND
2017-05-313761-002-0850ND