Know Your Environment. Protect Your Health.

Silver

Lacey Water Department

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND120ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2021-04-294109335ND
2021-05-054115243ND
2021-06-164136305ND
2021-06-164136304ND
2021-07-134145911ND
2021-07-134145912ND
2021-07-134152638ND
2021-07-144159366ND
2021-07-144159364ND
2021-08-104159369ND
2021-08-104159368ND
2021-09-134176408ND