Know Your Environment. Protect Your Health.

Silver

Manchester 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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND20ND
2020ND80ND
2021ND20ND
2022ND20ND
2023ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-05AA82672-IOC1ND
2018-02-05AA82673-IOC1ND
2018-02-05AA82666-IOC1ND
2018-02-06AA82689-IOC1ND
2018-02-06AA82690-IOC1ND
2018-02-07AA82711-IOC1ND
2018-02-07AA82712-IOC1ND
2018-02-23AA82899-IOCRND
2019-05-03AA88242-IOC1ND
2019-05-16AA88408-IOCRND
2020-10-01AA94988-IOCRND
2020-12-07AA95917-IOC1ND
2020-12-07AA95918-IOC1ND
2020-12-08AA95934-IOC1ND
2020-12-08AA95935-IOC1ND
2020-12-09AA95952-IOC1ND
2020-12-09AA95953-IOC1ND
2020-12-10AA95963-IOC1ND
2021-11-04211104-1-06IOCND
2021-11-04211104-1-04RAW IOCND
2022-05-13220513-1-04 RAW IOCND
2022-06-03220603-1-06IOCND
2023-12-04231204-3-01IOCND
2023-12-04231204-3-02 IOCND
2023-12-05231205-1-06 IOCND
2023-12-05231205-3-03 IOCND
2023-12-05231205-3-04 IOCND
2023-12-05231205-1-04 RAW IOCND
2023-12-06231206-3-05 IOCND
2023-12-06231206-3-06 IOCND