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EWG's Tap Water Database — 2021 UPDATE

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Silver

Elk Grove Water Service

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.

 

19

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
2015ND10ND
2016N/A00N/A
2017ND100ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-015810-017-0945ND
2014-07-085810-016-0905ND
2014-07-155810-015-0900ND
2014-07-175810-020-1210ND
2014-07-225810-009-1000ND
2014-07-295810-003-0940ND
2014-08-125810-008-0840ND
2014-11-105810-019-1110ND
2015-05-195810-013-1400ND
2017-01-055810-016-1130ND
2017-01-055810-020-1230ND
2017-01-315810-019-1015ND
2017-01-315810-017-0940ND
2017-01-315810-015-1100ND
2017-02-215810-009-0930ND
2017-02-275810-003-1045ND
2017-03-075810-008-1215ND
2017-09-075810-014-1230ND
2017-09-075810-013-1130ND