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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

NJ American Water - Atlantic County

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

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20141.95 ppb2618ND - 8.10 ppb
2015N/A00N/A
2016N/A00N/A
2017N/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
2014-01-14245400011.60 ppb
2014-01-1424539801ND
2014-01-14245438018.10 ppb
2014-01-14245399011.10 ppb
2014-01-15245439011.40 ppb
2014-01-1524540101ND
2014-01-15245402014.50 ppb
2014-01-1524540501ND
2014-01-15245404011.20 ppb
2014-01-29245403013.50 ppb
2014-07-01261771011.30 ppb
2014-07-01261718013.80 ppb
2014-07-0126171601ND
2014-07-07261713011.000 ppb
2014-07-07261712011.10 ppb
2014-07-08261770014.80 ppb
2014-07-08261719011.30 ppb
2014-07-08261769018.10 ppb
2014-07-09261768011.90 ppb
2014-07-09261706012.00 ppb
2014-07-0926171401ND
2014-07-15261721011.70 ppb
2014-07-1526170701ND
2014-07-1626172001ND
2014-07-16261715012.40 ppb
2014-08-0526170801ND