Know Your Environment. Protect Your Health.

Silver

Kitchawan Water District

NOTE: Kitchawan Water District purchases water from New Castle/Stanwood WD which is required to test for silver. Sample information shown below was taken by New Castle/Stanwood WD.

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

ppb = parts per billion

All test results

NOTE: Kitchawan Water District purchases water from New Castle/Stanwood WD which is required to test for silver. Sample information shown below was taken by New Castle/Stanwood WD.

Date Lab ID Result
2018-10-16AU22444-INSND
2018-12-05AU26061-INSND
2019-10-01AV20755-INSND
2019-12-19AV26488-INSND
2020-05-13AW08856-INSND
2020-10-06AW19369-INSND
2020-10-21AW20411-INSND
2020-10-21AW20413-INSND
2021-05-27AX10204-INSND
2021-06-0470175719001-INSND
2021-10-13AX20798-INSND
2021-10-14AX20887-INSND
2021-11-29AX23648-INSND
2022-06-09AY09842-INSND
2022-11-01AY19672-INSND
2022-11-01AY19670-SECND
2022-11-14AY20530-INSND
2023-06-20AZ10986-INSND
2023-10-17AZ19198-INSND
2023-10-17AZ19196-INSND
2023-12-21AZ23023-INSND