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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Parsippany-Troy Hills Water Department

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND160ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-18201408210478AMND
2014-08-18201408200322AMND
2014-08-18201408200343AMND
2014-08-18201408200303AMND
2014-08-18201408200330AMND
2014-08-18201408210301AMND
2014-08-18201408200284AMND
2014-08-18201408210510AMND
2014-08-18201408210412AMND
2014-08-19201408210311AMND
2014-08-19201408210474AMND
2014-08-19201408210225AMND
2014-08-19201408210498AMND
2014-08-28201409030578AMND
2014-11-12201411150203AMND
2014-11-12201411150173AMND
2015-02-18201502200289AMND
2015-02-18201502200229AMND
2015-02-18201502200373AMND
2015-02-23201502270146AMND
2015-02-23201502270159AMND
2015-02-23201502270176AMND
2015-02-23201502270168AMND
2015-02-23201502270197AMND
2015-02-24201502270165AMND
2015-02-24201502270247AMND
2015-02-24201502270135AMND
2015-02-24201502270154AMND
2015-02-25201502270195AMND
2015-02-25201502270162AMND
2015-05-26201505290224AMND
2015-05-26201505290222AMND