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EWG's Tap Water Database — 2021 UPDATE

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Silver

City of Fort Worth

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.

 

29

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
2014ND40ND
2015ND50ND
2016ND50ND
2017ND50ND
2018ND50ND
2019ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-15Q1401044008ND
2014-01-15Q1401044007ND
2014-01-15Q1401044006ND
2014-04-23Q1412967005ND
2015-01-28Q1503441006ND
2015-01-28Q1503441005ND
2015-05-06Q1516781004ND
2015-05-06Q1516781003ND
2015-07-22Q1528384020ND
2016-02-17Q1607005030ND
2016-02-17Q1607005029ND
2016-02-17Q1607005028ND
2016-04-20Q1615700002ND
2016-06-13Q1623857002ND
2017-02-22Q1707727027ND
2017-02-22Q1707727026ND
2017-04-26Q1717031006ND
2017-04-26Q1717031005ND
2017-08-02Q1732335006ND
2018-01-24Q1802705010ND
2018-01-24Q1802705009ND
2018-01-24Q1802705008ND
2018-03-20Q1811001007ND
2018-03-20Q1811001005ND
2019-01-23Q1903345013ND
2019-04-24Q1916570022ND
2019-05-22Q1927658004ND
2019-05-22Q1927658011ND
2019-06-17Q1936867003ND