Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

Aqua NJ - Blackwood

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
20130.290 ppb102ND - 1.60 ppb
20140.188 ppb162ND - 1.60 ppb
2015N/A00N/A
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
2013-10-21AE12327ND
2013-10-22AE12505ND
2013-10-22AE12477ND
2013-10-22AE12474ND
2013-10-22AE125021.60 ppb
2013-10-23AE127201.30 ppb
2013-10-23AE12714ND
2013-10-23AE12717ND
2013-10-28AE13129ND
2013-10-28AE13126ND
2014-01-14AE21042ND
2014-01-14AE21039ND
2014-03-18AE27058ND
2014-04-08AE29166ND
2014-04-15AE30063ND
2014-04-15AE30066ND
2014-04-16AE302401.60 ppb
2014-04-16AE30237ND
2014-04-17AE30284ND
2014-04-17AE302871.40 ppb
2014-04-22AE30544ND
2014-04-22AE30547RND
2014-04-29AE31151ND
2014-07-15AE40629ND
2014-07-15AE40632ND
2014-08-12AE44219ND