Cobalt

Ambler Boro Water Dept

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	ND	16	ND
2014	ND	16	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	N/A	0	N/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
2013-08-20	35105412007AM	ND
2013-08-20	35105412019AM	ND
2013-08-20	35105412009AM	ND
2013-08-20	35105412003AM	ND
2013-08-20	35105412001AM	ND
2013-08-20	35105412011AM	ND
2013-08-20	35105412021AM	ND
2013-08-20	35105412013AM	ND
2013-08-20	35105412025AM	ND
2013-08-20	35105412027AM	ND
2013-08-20	35105412023AM	ND
2013-08-20	35105412017AM	ND
2013-08-20	35105412015AM	ND
2013-08-20	35105412005AM	ND
2013-11-21	35117138001AM	ND
2013-11-21	35117138003AM	ND
2014-02-20	35127363015AM	ND
2014-02-20	35127363019AM	ND
2014-02-20	35127363021AM	ND
2014-02-20	35127363005AM	ND
2014-02-20	35127363027AM	ND
2014-02-20	35127363025AM	ND
2014-02-20	35127363023AM	ND
2014-02-20	35127363001AM	ND
2014-02-20	35127363017AM	ND
2014-02-20	35127363013AM	ND
2014-02-20	35127363003AM	ND
2014-02-20	35127363011AM	ND
2014-02-20	35127363007AM	ND
2014-02-20	35127363009AM	ND
2014-05-28	35139814003AM	ND
2014-05-28	35139814001AM	ND