Know Your Environment. Protect Your Health.

Silver

Cazadero Water Company Inc.

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.

 

16

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
2019ND40ND
2020ND20ND
2021ND20ND
202232.5 ppb41ND - 130.0 ppb
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-22CA4900508_011_011-201903221030ND
2019-03-22CA4900508_001_001-201903221150ND
2019-03-22CA4900508_005_005-201903221010ND
2019-03-22CA4900508_006_006-201903221050ND
2020-12-17CA4900508_001_001-202012171230ND
2020-12-21CA4900508_011_011-202012210725ND
2021-06-08CA4900508_005_005-202106080926ND
2021-06-08CA4900508_006_006-202106080901ND
2022-03-14CA4900508_001_001-202203141146130.0 ppb
2022-03-14CA4900508_011_011-202203141039ND
2022-11-03CA4900508_005_005-202211031155ND
2022-11-03CA4900508_006_006-202211031102ND
2023-03-06CA4900508_001_001-202303060812ND
2023-03-06CA4900508_011_011-202303060912ND
2023-12-11CA4900508_006_006-202312111315ND
2023-12-11CA4900508_005_005-202312111300ND