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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Celina City

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
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
2014-03-192994267ND
2014-03-192994265ND
2014-06-103041659ND
2014-06-103041673ND
2014-09-033096388ND
2014-09-033096392ND
2014-12-033149464ND
2014-12-033149330ND