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EWG's Tap Water Database — 2021 UPDATE

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Silver

Twentynine Palms Water District

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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36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015ND90ND
2016ND80ND
2017ND60ND
2018ND70ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-01-213761-018-0754ND
2015-01-213761-011-0854ND
2015-01-213761-011-0901ND
2015-01-213761-012-0854ND
2015-01-213761-016-0832ND
2015-01-213761-009-0901ND
2015-01-213761-014-0914ND
2015-01-213761-015-0817ND
2015-01-213761-021-0839ND
2016-01-203761-021-0805ND
2016-01-203761-018-0833ND
2016-01-203761-016-0750ND
2016-01-203761-015-0735ND
2016-01-203761-014-0856ND
2016-01-203761-012-0955ND
2016-01-203761-011-0930ND
2016-01-203761-009-1000ND
2017-01-183761-014-0843ND
2017-01-183761-021-0818ND
2017-01-183761-015-0800ND
2017-01-183761-012-0900ND
2017-01-183761-016-0828ND
2017-01-183761-018-0743ND
2018-01-173761-015-0745ND
2018-01-173761-021-0835ND
2018-01-173761-018-0805ND
2018-01-173761-016-0823ND
2018-01-173761-014-0855ND
2018-01-173761-012-0913ND
2018-03-153761-022-1335ND
2019-01-173761-016-0800ND
2019-01-173761-015-0730ND
2019-01-173761-018-0000ND
2019-01-173761-014-0831ND
2019-01-173761-012-0853ND
2019-01-173761-021-0810ND