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EWG's Tap Water Database — 2021 UPDATE

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Silver

Ridgewood Water

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.

 

346

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND520ND
2015ND540ND
2016ND570ND
2017ND640ND
2018ND620ND
2019ND570ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-054030099-08ND
2014-03-054030099-05ND
2014-03-054030099-06ND
2014-03-054030099-03ND
2014-03-054030099-09ND
2014-03-054030099-07ND
2014-03-054030099-01ND
2014-03-054030099-02ND
2014-03-054030099-11ND
2014-03-054030099-04ND
2014-03-054030099-10ND
2014-05-284050791-09ND
2014-05-284050791-01ND
2014-05-284050791-04ND
2014-05-284050791-02ND
2014-05-284050791-03ND
2014-05-284050791-06ND
2014-05-284050791-05ND
2014-05-284050791-07ND
2014-05-284050791-08ND
2014-07-094070294-06ND
2014-07-094070294-14ND
2014-07-094070294-07ND
2014-07-094070294-04ND
2014-07-094070294-01ND
2014-07-094070294-08ND
2014-07-094070294-02ND
2014-07-094070294-05ND
2014-07-094070294-03ND
2014-07-094070294-09ND
2014-07-094070294-12ND
2014-07-094070294-11ND
2014-07-094070294-10ND
2014-07-094070294-13ND
2014-07-234070750-04ND
2014-07-234070750-02ND
2014-07-234070750-05ND
2014-07-234070750-01ND
2014-07-234070750-06ND
2014-07-234070750-03ND
2014-10-294100857-04ND
2014-10-294100857-03ND
2014-10-294100857-05ND
2014-10-294100857-12ND
2014-10-294100857-01ND
2014-10-294100857-08ND
2014-10-294100857-09ND
2014-10-294100857-02ND
2014-10-294100857-07ND
2014-10-294100857-06ND
2014-10-294100857-10ND
2014-10-294100857-11ND
2015-03-095030145-09ND
2015-03-095030145-02ND
2015-03-095030145-01ND
2015-03-095030145-04ND
2015-03-095030145-06ND
2015-03-095030145-11ND
2015-03-095030145-05ND
2015-03-095030145-08ND
2015-03-095030145-07ND
2015-03-095030145-03ND
2015-03-095030145-10ND
2015-03-105030178-01ND
2015-03-305030652-01ND
2015-03-315040020-01ND
2015-05-125050322-09ND
2015-05-125050322-03ND
2015-05-125050322-06ND
2015-05-125050322-01ND
2015-05-125050322-08ND
2015-05-125050322-07ND
2015-05-125050322-02ND
2015-05-125050322-10ND
2015-05-135050377-01ND
2015-06-095060246-08ND
2015-07-155070473-07ND
2015-07-155070473-03ND
2015-07-155070473-05ND
2015-07-155070473-01ND
2015-07-155070473-08ND
2015-07-155070473-02ND
2015-07-155070473-06ND
2015-07-155070473-04ND
2015-07-155070473-10ND
2015-07-155070473-09ND
2015-07-155070473-13ND
2015-07-155070473-12ND
2015-07-155070473-11ND
2015-07-155070473-14ND
2015-07-165070495-01ND
2015-10-145100424-04ND
2015-10-145100424-03ND
2015-10-145100424-10ND
2015-10-145100424-05ND
2015-10-145100424-01ND
2015-10-145100424-09ND
2015-10-145100424-02ND
2015-10-145100424-07ND
2015-10-145100424-06ND
2015-10-145100424-08ND
2015-10-215100667-03ND
2015-10-215100667-02ND
2015-10-215100667-04ND
2015-10-215100667-01ND
2015-12-295120773-02ND
2016-01-076010110-06ND
2016-01-076010110-01ND
2016-01-076010110-07ND
2016-01-076010110-04ND
2016-01-076010110-02ND
2016-01-076010110-05ND
2016-01-076010110-03ND
2016-01-076010110-09ND
2016-01-076010110-10ND
2016-01-076010110-11ND
2016-01-076010110-08ND
2016-01-076010110-12ND
2016-01-086010173-01ND
2016-01-086010173-02ND
2016-04-066040180-04ND
2016-04-066040180-06ND
2016-04-066040180-05ND
2016-04-066040180-02ND
2016-04-066040180-03ND
2016-04-066040180-01ND
2016-04-066040180-08ND
2016-04-066040180-07ND
2016-04-066040180-09ND
2016-04-196040629-02ND
2016-04-196040629-01ND
2016-05-036050075-01ND
2016-05-116050372-04ND
2016-07-066070112-06ND
2016-07-066070112-09ND
2016-07-066070112-07ND
2016-07-066070112-04ND
2016-07-066070112-01ND
2016-07-066070112-08ND
2016-07-066070112-02ND
2016-07-066070112-05ND
2016-07-066070112-03ND
2016-07-066070112-11ND
2016-07-066070112-10ND
2016-07-066070112-14ND
2016-07-066070112-13ND
2016-07-066070112-12ND
2016-07-066070112-15ND
2016-10-116100288-07ND
2016-10-116100288-06ND
2016-10-116100288-11ND
2016-10-116100288-08ND
2016-10-116100288-04ND
2016-10-116100288-03ND
2016-10-116100288-09ND
2016-10-116100288-01ND
2016-10-116100288-05ND
2016-10-116100288-02ND
2016-10-116100288-10ND
2016-10-116100288-13ND
2016-10-116100288-12ND
2016-10-116100288-14ND
2016-10-116100288-15ND
2017-01-187010444-04ND
2017-01-187010444-07ND
2017-01-187010444-05ND
2017-01-187010444-03ND
2017-01-187010444-02ND
2017-01-187010444-06ND
2017-01-187010444-01ND
2017-01-187010444-10ND
2017-01-187010444-11ND
2017-01-187010444-12ND
2017-01-187010444-14ND
2017-01-187010444-13ND
2017-01-187010444-08ND
2017-01-187010444-09ND
2017-01-187010444-15ND
2017-01-187010444-16ND
2017-01-247010573-01ND
2017-04-187040506-04ND
2017-04-187040506-06ND
2017-04-187040506-05ND
2017-04-207040580-05ND
2017-04-207040580-01ND
2017-04-207040580-10ND
2017-04-207040580-03ND
2017-04-207040580-02ND
2017-04-207040580-04ND
2017-04-207040580-07ND
2017-04-207040580-08ND
2017-04-207040580-06ND
2017-04-207040580-09ND
2017-05-107050367-02ND
2017-05-107050367-01ND
2017-05-177050640-03ND
2017-07-057070048-06ND
2017-07-057070048-10ND
2017-07-057070048-07ND
2017-07-057070048-04ND
2017-07-057070048-03ND
2017-07-057070025-01ND
2017-07-057070048-08ND
2017-07-057070048-01ND
2017-07-057070048-05ND
2017-07-057070048-02ND
2017-07-057070048-09ND
2017-07-057070048-12ND
2017-07-057070048-11ND
2017-07-057070048-15ND
2017-07-057070048-14ND
2017-07-057070048-13ND
2017-10-037100035-07ND
2017-10-037100035-06ND
2017-10-037100035-08ND
2017-10-037100035-12ND
2017-10-037100035-09ND
2017-10-037100035-04ND
2017-10-037100035-03ND
2017-10-037100035-10ND
2017-10-037100035-01ND
2017-10-037100035-05ND
2017-10-037100035-02ND
2017-10-037100035-11ND
2017-10-037100035-14ND
2017-10-037100035-13ND
2017-10-037100035-15ND
2018-01-038010030-05ND
2018-01-038010030-04ND
2018-01-038010030-03ND
2018-01-038010030-02ND
2018-01-038010030-01ND
2018-01-038010030-06ND
2018-01-038010030-07ND
2018-01-038010030-08ND
2018-01-098010168-03ND
2018-01-098010168-04ND
2018-01-098010168-01ND
2018-01-098010168-02ND
2018-01-098010168-05ND
2018-01-098010168-06ND
2018-02-058020087-03ND
2018-04-038040027-06ND
2018-04-038040027-01ND
2018-04-038040027-07ND
2018-04-038040027-04ND
2018-04-038040027-03ND
2018-04-038040027-08ND
2018-04-038040027-05ND
2018-04-038040027-02ND
2018-04-038040027-09ND
2018-04-038040027-11ND
2018-04-038040027-10ND
2018-04-048040074-03ND
2018-04-048040074-05ND
2018-04-268040945-02ND
2018-04-268040945-01ND
2018-07-028070013-07ND
2018-07-028070013-11ND
2018-07-028070013-08ND
2018-07-028070013-05ND
2018-07-028070013-04ND
2018-07-028070013-01ND
2018-07-028070013-09ND
2018-07-028070013-02ND
2018-07-028070013-06ND
2018-07-028070013-03ND
2018-07-028070013-10ND
2018-07-028070013-13ND
2018-07-028070013-14ND
2018-07-028070013-12ND
2018-07-028070013-16ND
2018-07-028070013-15ND
2018-10-028100082-08ND
2018-10-028100082-07ND
2018-10-028100082-09ND
2018-10-028100082-01ND
2018-10-028100082-05ND
2018-10-028100082-04ND
2018-10-028100082-02ND
2018-10-028100082-06ND
2018-10-028100082-03ND
2018-10-038100136-01ND
2018-10-038100136-02ND
2018-10-038100136-03ND
2018-10-038100136-05ND
2018-10-038100136-06ND
2018-10-038100136-04ND
2018-10-038100136-07ND
2019-01-109010342-02ND
2019-01-109010342-06ND
2019-01-109010342-03ND
2019-01-109010342-01ND
2019-01-109010342-09ND
2019-01-109010342-04ND
2019-01-109010342-08ND
2019-01-109010342-05ND
2019-01-109010342-15ND
2019-01-109010342-14ND
2019-01-109010342-13ND
2019-01-109010342-11ND
2019-01-109010342-12ND
2019-01-109010342-07ND
2019-01-109010342-16ND
2019-01-109010342-10ND
2019-04-109040481-02ND
2019-04-109040481-06ND
2019-04-109040481-12ND
2019-04-109040481-07ND
2019-04-109040481-11ND
2019-04-109040481-10ND
2019-04-109040481-09ND
2019-04-109040481-01ND
2019-04-109040481-03ND
2019-04-109040481-08ND
2019-04-109040481-05ND
2019-04-109040481-04ND
2019-07-249071191-08ND
2019-07-249071191-14ND
2019-07-249071191-02ND
2019-07-249071191-01ND
2019-07-249071191-05ND
2019-07-249071191-09ND
2019-07-249071191-11ND
2019-07-249071191-07ND
2019-07-249071191-06ND
2019-07-249071191-10ND
2019-07-249071191-03ND
2019-07-249071191-13ND
2019-07-249071191-12ND
2019-07-249071191-04ND
2019-09-199090882-01ND
2019-10-099100466-06ND
2019-10-099100466-07ND
2019-10-099100466-13ND
2019-10-099100466-03ND
2019-10-099100466-01ND
2019-10-099100466-11ND
2019-10-099100466-09ND
2019-10-099100466-05ND
2019-10-099100466-08ND
2019-10-099100466-04ND
2019-10-099100466-12ND
2019-10-099100466-10ND
2019-10-099100466-02ND
2019-12-049120094-01ND