Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Silver

Ozark Utilities Board

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
20160.0911 ppb81ND - 0.729 ppb
2017N/A00N/A
2018N/A00N/A
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2016-03-29AB106870.729 ppb
2016-03-29AB10694ND
2016-03-29AB10689ND
2016-03-29AB10688ND
2016-03-29AB10692ND
2016-03-29AB10691ND
2016-03-29AB10693ND
2016-03-29AB10690ND
2019-06-19AB36106ND
2019-06-19AB36105ND
2019-06-19AB36103ND
2019-06-19AB36104ND
2019-08-27AB37946ND
2019-08-27AB37947ND
2019-08-27AB37948ND
2019-08-27AB37949ND