Know Your Environment. Protect Your Health.

Silver

Madera Co. Sa16 Sumner Hill-water System

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-09CA2000729_001_001-201801090930ND
2019-01-22CA2000729_001_001-201901220945ND
2020-01-30CA2000729_001_001-202001301100ND
2021-01-20CA2000729_001_001-202101201030ND
2022-01-25CA2000729_001_001-202201250835ND
2023-03-22CA2000729_001_001-202303221150ND