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EWG's Tap Water Database — 2019 UPDATE

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Silver

City of Lake Charles Water System

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.

 

74

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND340ND
2013ND20ND
2014N/A00N/A
2015ND320ND
2016N/A00N/A
2017ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-04-30AD65279ND
2012-04-30AD65274ND
2012-04-30AD65269ND
2012-04-30AD65264ND
2012-04-30AD65259ND
2012-04-30AD65279ND
2012-04-30AD65259ND
2012-04-30AD65264ND
2012-04-30AD65269ND
2012-04-30AD65274ND
2012-05-29AD65734ND
2012-05-29AD65739ND
2012-05-29AD65729ND
2012-05-29AD65724ND
2012-05-29AD65724ND
2012-05-29AD65719ND
2012-05-29AD65729ND
2012-05-29AD65734ND
2012-05-29AD65719ND
2012-05-29AD65739ND
2012-07-23AD67943ND
2012-07-23AD67938ND
2012-07-23AD67933ND
2012-07-23AD67953ND
2012-07-23AD67953ND
2012-07-23AD67948ND
2012-07-23AD67943ND
2012-07-23AD67938ND
2012-07-23AD67933ND
2012-07-23AD67948ND
2012-10-08AD71678ND
2012-10-08AD71668ND
2012-10-08AD71668ND
2012-10-08AD71678ND
2013-03-20AD76236ND
2013-03-20AD76236ND
2015-03-2335180731001ND
2015-03-2335180731003ND
2015-03-2335180731004ND
2015-03-2335180731005ND
2015-03-2335180731002ND
2015-03-2335180731005ND
2015-03-2335180731001ND
2015-03-2335180731002ND
2015-03-2335180731003ND
2015-03-2335180731004ND
2015-07-2735199384001ND
2015-07-2735199384005ND
2015-07-2735199384004ND
2015-07-2735199384003ND
2015-07-2735199384005ND
2015-07-2735199384004ND
2015-07-2735199384003ND
2015-07-2735199384002ND
2015-07-2735199384002ND
2015-07-2735199384001ND
2015-08-0335200616005ND
2015-08-0335200616004ND
2015-08-0335200616002ND
2015-08-0335200616001ND
2015-08-0335200616001ND
2015-08-0335200616002ND
2015-08-0335200616003ND
2015-08-0335200616004ND
2015-08-0335200616005ND
2015-08-0335200616003ND
2015-09-2135208328005ND
2015-09-2135208328005ND
2017-12-18AE20287ND
2017-12-18AE20279ND
2017-12-18AE20283ND
2017-12-18AE20287ND
2017-12-18AE20279ND
2017-12-18AE20283ND