Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Silver

Del Rio Utilities Commission

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-27AC48499ND
2015-03-10AC83582ND
2016-02-23AD25183ND
2017-05-02AD82055ND
2018-02-21AE14627ND
2019-01-29AE52053ND