Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Silver

Frankfort

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.

 

11

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
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND70ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-031502056-001AND
2015-02-031502056-002AND
2015-02-031502056-003AND
2015-10-061510320-001AND
2018-02-051802379-001AND
2018-02-051802379-002AND
2018-02-051802379-003AND
2018-07-3118H0064-01_01ND
2018-07-3118H0064-02_01ND
2018-09-2018I0902-01_01ND
2018-11-281811J66-001AND