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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Moses Lake

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
2014ND340ND
2015ND60ND
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
2014-05-05201405060289AMND
2014-05-05201405060349AMND
2014-05-05201405060321AMND
2014-05-05201405060274AMND
2014-05-05201405060287AMND
2014-05-06201405070333AMND
2014-05-06201405070322AMND
2014-05-06201405070326AMND
2014-05-07201405080348AMND
2014-05-07201405080427AMND
2014-05-07201405080551AMND
2014-05-07201405080573AMND
2014-05-07201405080483AMND
2014-05-07201405080477AMND
2014-05-08201405120316AMND
2014-05-08201405090521AMND
2014-05-12201405130332AMND
2014-11-10201411120413AMND
2014-11-12201411130805AMND
2014-11-12201411130816AMND
2014-11-12201411130793AMND
2014-11-12201411130843AMND
2014-11-12201411130839AMND
2014-11-13201411150141AMND
2014-11-13201411150145AMND
2014-11-13201411150149AMND
2014-11-13201411150205AMND
2014-11-17201411180443AMND
2014-11-17201411180533AMND
2014-11-17201411180458AMND
2014-11-18201411190307AMND
2014-11-18201411190557AMND
2014-11-18201411190201AMND
2014-11-18201411190555AMND
2015-05-18201505190555AMND
2015-05-18201505190519AMND
2015-05-18201505190474AMND
2015-11-10201510300177AMND
2015-11-10201510300173AMND
2015-11-10201511110789AMND