Know Your Environment. Protect Your Health.

Silver

Bristol Water Department

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
2019ND40ND
2020ND50ND
2021ND20ND
2022ND30ND
2023ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-07D8C0471-01IOCRND
2018-03-07D8C0468-01IOCND
2019-03-27D9C2626-01IOCRND
2019-05-15D9E1655-01IOCRND
2019-05-15D9E1655-01IOCND
2019-10-28D9J2582-01IOCRND
2020-01-31D0A2598-01IOCRND
2020-01-31D0A2596-04IOCND
2020-01-31D0A2596-03IOCND
2020-01-31D0A2596-02IOCND
2020-01-31D0A2596-01IOCND
2021-02-25D1B2170-01IOCND
2021-12-1621121612-001-IOCND
2022-02-03D2B0373-01IOCND
2022-04-07D2D0790-01IOCND
2022-05-05D2E0587-01IOCND
2023-02-23D3B2333-01IOCND
2023-02-23D3B2333-02IOCND
2023-02-23D3B2333-03IOCND
2023-02-23D3B2333-04IOCND
2023-02-23D3B2331-01IOCND