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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

City of Lexington

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

 

40

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
2014ND400ND
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
2014-05-054E06007-04ND
2014-05-054E06007-10ND
2014-05-054E06007-07ND
2014-05-054E06007-18ND
2014-05-054E06007-16ND
2014-05-054E06007-01ND
2014-05-064E07020-01AND
2014-05-064E07020-50AND
2014-05-064E07020-40AND
2014-05-064E07020-36AND
2014-05-064E07020-34AND
2014-05-064E07020-48AND
2014-05-064E07020-04AND
2014-05-064E07020-13AND
2014-08-184H19024-07ND
2014-09-154I17002-13ND
2014-09-154I17002-01ND
2014-09-154I17002-05ND
2014-09-154I17002-09ND
2014-09-154I17002-03ND
2014-09-154I17002-11ND
2014-09-154I17002-07ND
2014-10-064J07088-36ND
2014-10-064J07088-28ND
2014-10-064J07088-30ND
2014-10-064J07088-42ND
2014-10-064J07088-34ND
2014-10-064J07088-32ND
2014-10-064J07088-38ND
2014-10-064J07088-07ND
2014-10-064J07088-13ND
2014-10-064J07088-10ND
2014-10-064J07088-22ND
2014-10-064J07088-04ND
2014-10-064J07088-01ND
2014-10-064J07088-16ND
2014-10-064J07088-25ND
2014-10-064J07088-19ND
2014-11-184K19018-01ND
2014-11-184K19018-03ND