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EWG's Tap Water Database — 2019 UPDATE

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Silver

City of Georgetown

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND40ND
2014ND30ND
2015ND30ND
2016ND40ND
2017ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-251303839002ND
2013-06-03Q1301827025ND
2013-09-25Q1308517008ND
2013-09-25Q1308517007ND
2014-02-26AC44683ND
2014-02-26AC44687ND
2014-05-06AC53129ND
2015-03-05AC82836ND
2015-03-05AC82826ND
2015-03-05AC82821ND
2016-02-09AD22873ND
2016-02-09AD22874ND
2016-02-09AD22875ND
2016-04-21AD33706ND
2017-01-23AD66000ND
2017-01-23AD65996ND
2017-01-23AD65997ND