Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

NJ American Water - Coastal North

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

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND450ND
2014ND90ND
2015ND20ND
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
2013-03-1121155301ND
2013-03-1121152601ND
2013-03-1121273901ND
2013-03-1321149601ND
2013-03-1321285901ND
2013-03-1321273801ND
2013-06-0522444101ND
2013-06-0522446201ND
2013-06-1022444201ND
2013-06-1222451101ND
2013-06-1222449501ND
2013-06-1722447701ND
2013-06-1822448301ND
2013-06-1922443101ND
2013-06-1922443501ND
2013-06-1922443401ND
2013-06-2522443301ND
2013-06-2522446101ND
2013-07-0822612501ND
2013-07-0822608801ND
2013-07-0822612201ND
2013-07-1022615501ND
2013-07-1022609301ND
2013-07-1622615701ND
2013-07-1622609101ND
2013-08-2022444601ND
2013-08-2022453501ND
2013-09-1623267401ND
2013-09-1623269001ND
2013-09-1723262801ND
2013-09-1823265001ND
2013-09-1823263201ND
2013-09-1823262701ND
2013-12-0324139201ND
2013-12-0324132401ND
2013-12-0324137601ND
2013-12-0424136501ND
2013-12-0424135901ND
2013-12-0924132301ND
2013-12-0924306601ND
2013-12-0924131901ND
2013-12-1124139501ND
2013-12-1124131801ND
2013-12-1124131501ND
2013-12-1624132801ND
2014-01-1324549201ND
2014-01-1324552301ND
2014-01-1424546001ND
2014-01-1524545601ND
2014-03-1124549501ND
2014-05-0724552501ND
2014-09-1926704801ND
2014-09-2224545801ND
2014-09-2224131701ND
2015-03-3028804701ND
2015-09-0830291901ND