Know Your Environment. Protect Your Health.

Silver

Pendleton Water Association

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
202124.0 ppb1124.0 ppb
2022ND10ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-2035375979001ND
2018-02-2035375979001ND
2019-03-1235454721001ND
2019-03-1235454721001ND
2020-02-10B2000668-001ND
2021-01-20B2100177-00124.0 ppb
2022-02-21B2200825-001ND
2023-02-27B2300826-001ND
2023-08-30B2303712-001ND