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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Tyler

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

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND560ND
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
2014-01-21Q1401668021ND
2014-01-21Q1401668023ND
2014-01-21Q1401668019ND
2014-01-21Q1401668005ND
2014-01-21Q1401668011ND
2014-01-21Q1401668015ND
2014-01-21Q1401668013ND
2014-01-21Q1401668003ND
2014-01-21Q1401668017ND
2014-01-21Q1401668007ND
2014-01-21Q1401668009ND
2014-01-21Q1401668001ND
2014-01-21Q1401668025ND
2014-01-22Q1401770001ND
2014-01-22Q1401770003ND
2014-01-22Q1401770005ND
2014-04-08Q1410891007ND
2014-04-08Q1410891017ND
2014-04-08Q1410891019ND
2014-04-08Q1410891009ND
2014-04-08Q1410891013ND
2014-04-08Q1410891015ND
2014-04-08Q1410891011ND
2014-04-08Q1410891021ND
2014-04-08Q1410891001ND
2014-04-08Q1410891003ND
2014-04-08Q1410891005ND
2014-07-10Q1426731003ND
2014-07-10Q1426731009ND
2014-07-10Q1426731013ND
2014-07-10Q1426731005ND
2014-07-10Q1426731021ND
2014-07-10Q1426731015ND
2014-07-10Q1426731011ND
2014-07-10Q1426731007ND
2014-07-10Q1426731017ND
2014-07-10Q1426731001ND
2014-07-10Q1426731023ND
2014-07-10Q1426731025ND
2014-07-10Q1426731019ND
2014-07-10Q1426731029ND
2014-07-10Q1426731033ND
2014-07-10Q1426731031ND
2014-07-10Q1426731027ND
2014-07-10Q1426731035ND
2014-10-01Q1450144009ND
2014-10-01Q1450144011ND
2014-10-01Q1450144019ND
2014-10-01Q1450144021ND
2014-10-01Q1450144015ND
2014-10-01Q1450144017ND
2014-10-01Q1450144013ND
2014-10-01Q1450144007ND
2014-10-01Q1450144005ND
2014-10-01Q1450144001ND
2014-10-01Q1450144003ND