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EWG's Tap Water Database — 2021 UPDATE

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Silver

Nellis Air Force Base

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
2014ND20ND
2015ND20ND
2016ND10ND
2017ND20ND
2018N/A00N/A
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-1114030149-002ND
2014-03-1114030149-001ND
2015-03-1015030161-001ND
2015-03-1015030161-002ND
2016-03-0816030114-001ND
2017-11-07S1707816001ND
2017-11-07S1707816002ND
2019-03-12S1903309001ND