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EWG's Tap Water Database — 2021 UPDATE

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Silver

Lander County Sewer and Water District 2 Austin

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017N/A00N/A
2018ND30ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-22EN2014-00005092ND
2015-09-08EN2015-00004574ND
2016-02-081602261-002ND
2018-04-261804911-001ND
2018-08-281808956-002ND
2018-09-2818090929-001ND
2019-02-1219020320-001ND
2019-08-2719081004-002ND