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EWG's Tap Water Database — 2021 UPDATE

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Silver

Aquarion Water Company of Connecticut - Main System

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND80ND
2015ND60ND
2016ND60ND
2017ND80ND
2018ND60ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-03201401617-IOC1ND
2014-02-03201401629-IOC1ND
2014-02-03201401630-IOCRND
2014-02-03201401644-IOCRND
2014-02-03201401645-IOC1ND
2014-02-03201401616-IOCRND
2014-06-18201408445-IOC1ND
2014-06-18201408451-IOC1ND
2015-02-03201501518-IOCRND
2015-02-03201501490-IOCRND
2015-02-03201501532-IOCRND
2015-02-03201501519-IOC1ND
2015-02-03201501531-IOC1ND
2015-02-03201501491-IOC1ND
2016-02-01201601447-IOC1ND
2016-02-01201601433-IOC1ND
2016-02-01201601487-IOC1ND
2016-02-01201601486-IOCRND
2016-02-01201601434-IOCRND
2016-02-01201601446-IOCRND
2017-02-06201701966-IOC1ND
2017-02-06201701965-IOCRND
2017-02-06201701981-IOCRND
2017-02-06201701995-IOC1ND
2017-02-06201701980-IOC1ND
2017-02-06201701994-IOCRND
2017-07-06201710084-IOC1ND
2017-07-06201710080-IOC1ND
2018-02-05201801587-IOCRND
2018-02-05201801603-IOCRND
2018-02-05201801571-IOCRND
2018-02-05201801586-IOC1ND
2018-02-05201801570-IOC1ND
2018-02-05201801604-IOC1ND
2019-02-04201901554-IOC1ND
2019-02-04201901581-IOC1ND
2019-02-04201901613-IOC1ND
2019-02-04201901614-IOCRND
2019-02-04201901582-IOCRND
2019-02-04201901553-IOCRND