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EWG's Tap Water Database — 2019 UPDATE

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Silver

Baton Rouge Water Company

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.

 

340

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
20130.345 ppb582ND - 10.00 ppb
2014ND680ND
2015ND400ND
2016ND940ND
2017ND720ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-09AD67294ND
2012-07-09AD67299ND
2012-07-09AD67294ND
2012-07-09AD67299ND
2012-10-22AD72415ND
2012-10-22AD72415ND
2012-11-19AD73343ND
2012-11-19AD73343ND
2013-01-14AD74700ND
2013-01-14AD74705ND
2013-01-14AD74710ND
2013-01-14AD74700ND
2013-01-14AD74705ND
2013-01-14AD74710ND
2013-01-28AD75002ND
2013-01-28AD75007ND
2013-01-28AD75012ND
2013-01-28AD75017ND
2013-01-28AD75022ND
2013-01-28AD75002ND
2013-01-28AD75007ND
2013-01-28AD75012ND
2013-01-28AD75017ND
2013-01-28AD75022ND
2013-02-04AD75260ND
2013-02-04AD75265ND
2013-02-04AD75270ND
2013-02-04AD75275ND
2013-02-04AD75280ND
2013-02-04AD75260ND
2013-02-04AD75265ND
2013-02-04AD75270ND
2013-02-04AD75275ND
2013-02-04AD75280ND
2013-03-11AD75920ND
2013-03-11AD75925ND
2013-03-11AD75930ND
2013-03-11AD75935ND
2013-03-11AD75940ND
2013-03-11AD75920ND
2013-03-11AD75925ND
2013-03-11AD75930ND
2013-03-11AD75935ND
2013-03-11AD75940ND
2013-04-01AD7649110.00 ppb
2013-04-01AD76496ND
2013-04-01AD76501ND
2013-04-01AD7649110.00 ppb
2013-04-01AD76496ND
2013-04-01AD76501ND
2013-04-08AD76700ND
2013-04-08AD76700ND
2013-04-15AD76913ND
2013-04-15AD76918ND
2013-04-15AD76923ND
2013-04-15AD76928ND
2013-04-15AD76933ND
2013-04-15AD76913ND
2013-04-15AD76918ND
2013-04-15AD76923ND
2013-04-15AD76928ND
2013-04-15AD76933ND
2013-04-29AD77229ND
2013-04-29AD77229ND
2013-09-09AD83621ND
2013-09-09AD83621ND
2014-01-13AD88254ND
2014-01-13AD88259ND
2014-01-13AD88264ND
2014-01-13AD88269ND
2014-01-13AD88274ND
2014-01-13AD88254ND
2014-01-13AD88259ND
2014-01-13AD88264ND
2014-01-13AD88269ND
2014-01-13AD88274ND
2014-05-05AD91106ND
2014-05-05AD91111ND
2014-05-05AD91116ND
2014-05-05AD91121ND
2014-05-05AD91126ND
2014-05-05AD91106ND
2014-05-05AD91111ND
2014-05-05AD91116ND
2014-05-05AD91121ND
2014-05-05AD91126ND
2014-05-12AD91409ND
2014-05-12AD91414ND
2014-05-12AD91419ND
2014-05-12AD91424ND
2014-05-12AD91429ND
2014-05-12AD91409ND
2014-05-12AD91414ND
2014-05-12AD91419ND
2014-05-12AD91424ND
2014-05-12AD91429ND
2014-05-19AD91626ND
2014-05-19AD91631ND
2014-05-19AD91636ND
2014-05-19AD91641ND
2014-05-19AD91646ND
2014-05-19AD91626ND
2014-05-19AD91631ND
2014-05-19AD91636ND
2014-05-19AD91641ND
2014-05-19AD91646ND
2014-06-09AD92066ND
2014-06-09AD92066ND
2014-07-14AD93439ND
2014-07-14AD93444ND
2014-07-14AD93449ND
2014-07-14AD93454ND
2014-07-14AD93439ND
2014-07-14AD93444ND
2014-07-14AD93449ND
2014-07-14AD93454ND
2014-07-21AD93984ND
2014-07-21AD93989ND
2014-07-21AD93994ND
2014-07-21AD93999ND
2014-07-21AD94004ND
2014-07-21AD93984ND
2014-07-21AD93989ND
2014-07-21AD93994ND
2014-07-21AD93999ND
2014-07-21AD94004ND
2014-08-11AD95140ND
2014-08-11AD95145ND
2014-08-11AD95150ND
2014-08-11AD95160ND
2014-08-11AD95140ND
2014-08-11AD95145ND
2014-08-11AD95150ND
2014-08-11AD95160ND
2015-03-3035181845005ND
2015-03-3035181845005ND
2015-07-0635196455004ND
2015-07-0635196455005ND
2015-07-0635196455004ND
2015-07-0635196455005ND
2015-08-0335200997001ND
2015-08-0335200997002ND
2015-08-0335200997003ND
2015-08-0335200997004ND
2015-08-0335200997005ND
2015-08-0335200997001ND
2015-08-0335200997002ND
2015-08-0335200997003ND
2015-08-0335200997004ND
2015-08-0335200997005ND
2015-08-1735203438001ND
2015-08-1735203438002ND
2015-08-1735203438001ND
2015-08-1735203438002ND
2015-08-3135205974004ND
2015-08-3135205974005ND
2015-08-3135205974004ND
2015-08-3135205974005ND
2015-11-0235215110001ND
2015-11-0235215110002ND
2015-11-0235215110003ND
2015-11-0235215110001ND
2015-11-0235215110002ND
2015-11-0235215110003ND
2015-11-3035219066001ND
2015-11-3035219066002ND
2015-11-3035219066003ND
2015-11-3035219066004ND
2015-11-3035219066005ND
2015-11-3035219066001ND
2015-11-3035219066002ND
2015-11-3035219066003ND
2015-11-3035219066004ND
2015-11-3035219066005ND
2016-01-1235225030004ND
2016-01-1235225030005ND
2016-01-1235225030004ND
2016-01-1235225030005ND
2016-01-2535227129001ND
2016-01-2535227129002ND
2016-01-2535227129003ND
2016-01-2535227129004ND
2016-01-2535227129005ND
2016-01-2535227129001ND
2016-01-2535227129002ND
2016-01-2535227129003ND
2016-01-2535227129004ND
2016-01-2535227129005ND
2016-02-2935232145001ND
2016-02-2935232145002ND
2016-02-2935232145003ND
2016-02-2935232145001ND
2016-02-2935232145002ND
2016-02-2935232145003ND
2016-04-1135239236001ND
2016-04-1135239236002ND
2016-04-1135239236003ND
2016-04-1135239236004ND
2016-04-1135239236001ND
2016-04-1135239236002ND
2016-04-1135239236003ND
2016-04-1135239236004ND
2016-04-2035240674001ND
2016-04-2035240674002ND
2016-04-2035240674001ND
2016-04-2035240674002ND
2016-04-2735241963001ND
2016-04-2735241963002ND
2016-04-2735241963003ND
2016-04-2735241963004ND
2016-04-2735241963005ND
2016-04-2735241963001ND
2016-04-2735241963002ND
2016-04-2735241963003ND
2016-04-2735241963004ND
2016-04-2735241963005ND
2016-05-03AE06240ND
2016-05-03AE06244ND
2016-05-03AE06248ND
2016-05-03AE06252ND
2016-05-03AE06256ND
2016-05-03AE06240ND
2016-05-03AE06244ND
2016-05-03AE06248ND
2016-05-03AE06252ND
2016-05-03AE06256ND
2016-05-23AE06387ND
2016-05-23AE06391ND
2016-05-23AE06395ND
2016-05-23AE06399ND
2016-05-23AE06403ND
2016-05-23AE06387ND
2016-05-23AE06391ND
2016-05-23AE06395ND
2016-05-23AE06399ND
2016-05-23AE06403ND
2016-06-08AE06573ND
2016-06-08AE06577ND
2016-06-08AE06589ND
2016-06-08AE06573ND
2016-06-08AE06577ND
2016-06-08AE06589ND
2016-06-15AE06721ND
2016-06-15AE06725ND
2016-06-15AE06729ND
2016-06-15AE06721ND
2016-06-15AE06725ND
2016-06-15AE06729ND
2016-08-2235261432001ND
2016-08-2235261432002ND
2016-08-2235261432001ND
2016-08-2235261432002ND
2016-08-3035263152001ND
2016-08-3035263152001ND
2016-09-1435265890005ND
2016-09-1435265890005ND
2016-09-2035267198001ND
2016-09-2035267198002ND
2016-09-2035267198003ND
2016-09-2035267198004ND
2016-09-2035267198005ND
2016-09-2035267198001ND
2016-09-2035267198002ND
2016-09-2035267198003ND
2016-09-2035267198004ND
2016-09-2035267198005ND
2016-10-0535270134001ND
2016-10-0535270134001ND
2017-01-17AE12842ND
2017-01-17AE12846ND
2017-01-17AE12850ND
2017-01-17AE12854ND
2017-01-17AE12858ND
2017-01-17AE12842ND
2017-01-17AE12846ND
2017-01-17AE12850ND
2017-01-17AE12854ND
2017-01-17AE12858ND
2017-01-23AE12875ND
2017-01-23AE12875ND
2017-04-24AE13859ND
2017-04-24AE13863ND
2017-04-24AE13875ND
2017-04-24AE13859ND
2017-04-24AE13863ND
2017-04-24AE13875ND
2017-05-15AE14136ND
2017-05-15AE14140ND
2017-05-15AE14144ND
2017-05-15AE14148ND
2017-05-15AE14152ND
2017-05-15AE14136ND
2017-05-15AE14140ND
2017-05-15AE14144ND
2017-05-15AE14148ND
2017-05-15AE14152ND
2017-05-23AE14198ND
2017-05-23AE14202ND
2017-05-23AE14206ND
2017-05-23AE14210ND
2017-05-23AE14198ND
2017-05-23AE14202ND
2017-05-23AE14206ND
2017-05-23AE14210ND
2017-06-05AE14287ND
2017-06-05AE14299ND
2017-06-05AE14303ND
2017-06-05AE14287ND
2017-06-05AE14299ND
2017-06-05AE14303ND
2017-06-19AE14875ND
2017-06-19AE14879ND
2017-06-19AE14875ND
2017-06-19AE14879ND
2017-06-27AE15201ND
2017-06-27AE15205ND
2017-06-27AE15209ND
2017-06-27AE15213ND
2017-06-27AE15217ND
2017-06-27AE15201ND
2017-06-27AE15205ND
2017-06-27AE15209ND
2017-06-27AE15213ND
2017-06-27AE15217ND
2017-07-18AE15716ND
2017-07-18AE15720ND
2017-07-18AE15724ND
2017-07-18AE15716ND
2017-07-18AE15720ND
2017-07-18AE15724ND
2017-07-25AE15924ND
2017-07-25AE15928ND
2017-07-25AE15924ND
2017-07-25AE15928ND
2017-08-02AE16227ND
2017-08-02AE16227ND
2017-11-28AE20079ND
2017-11-28AE20079ND
2017-12-05AE20104ND
2017-12-05AE20104ND