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EWG's Tap Water Database — 2021 UPDATE

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Silver

Beauregard Water Works District #3

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.

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44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND200ND
2017N/A00N/A
2018ND220ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-03-0235177665002ND
2015-03-0235177665002ND
2016-01-1935225812002ND
2016-01-1935225812001ND
2016-01-1935225812002ND
2016-01-1935225812005ND
2016-01-1935225812004ND
2016-01-1935225812003ND
2016-01-1935225812001ND
2016-01-1935225812005ND
2016-01-1935225812004ND
2016-01-1935225812003ND
2016-02-0135227539001ND
2016-02-0135227539002ND
2016-02-0135227539003ND
2016-02-0135227539004ND
2016-02-0135227539004ND
2016-02-0135227539003ND
2016-02-0135227539002ND
2016-02-0135227539001ND
2016-05-0235242594004ND
2016-05-0235242594004ND
2018-02-27AE20777ND
2018-02-27AE20777ND
2018-03-19AE21166ND
2018-03-19AE21163ND
2018-03-19AE21166ND
2018-03-19AE21163ND
2018-03-19AE21160ND
2018-03-19AE21157ND
2018-03-19AE21154ND
2018-03-19AE21154ND
2018-03-19AE21157ND
2018-03-19AE21160ND
2018-04-16AE21400ND
2018-04-16AE21412ND
2018-04-16AE21409ND
2018-04-16AE21406ND
2018-04-16AE21403ND
2018-04-16AE21400ND
2018-04-16AE21412ND
2018-04-16AE21409ND
2018-04-16AE21406ND
2018-04-16AE21403ND