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EWG's Tap Water Database — 2021 UPDATE

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Silver

US Army Fort Irwin

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND80ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-094790-009-0830ND
2015-07-014790-001-1530ND
2015-09-014790-002-1930ND
2015-09-164790-003-1740ND
2015-09-174790-009-1930ND
2015-09-234790-012-1700ND
2015-09-304790-013-1520ND
2018-06-124790-016-1105ND
2018-06-144790-017-0939ND
2018-07-104790-001-1045ND
2018-07-104790-002-1021ND
2018-07-104790-003-1400ND
2018-07-104790-009-1145ND
2018-07-104790-012-1250ND
2018-07-104790-013-1235ND