Know Your Environment. Protect Your Health.

Silver

Westchester County Water District #3

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-02AU21376INSND
2019-11-21AV24564INSND
2020-04-28AW07856INSND
2020-11-17AW22089INSND
2020-12-15AW23891-INSND
2020-12-15AW23893-INSND
2021-04-06AX06359-INSND
2021-10-29AX21799-INSND
2021-11-09AX22576-INSND
2021-11-09AX22573-INSND
2022-04-11AY05984-INSND
2022-10-19AY18880-INSND
2022-11-01AY19681-INSND
2022-11-01AY19679-INSND
2023-04-25AZ07359-INSND
2023-10-19AZ19381-INSND
2023-11-01AZ20238-INSND
2023-11-01AZ20240-INSND