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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Florence Water Company

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

 

12

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
2014ND60ND
2015ND60ND
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
2014-09-183107643ND
2014-09-183107706ND
2014-09-183107624ND
2014-09-183107648ND
2014-09-193107985ND
2014-09-193107981ND
2015-03-203211508ND
2015-03-203211504ND
2015-03-203211489ND
2015-03-203211493ND
2015-03-203211526ND
2015-03-203211522ND