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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Warren County Socialville PWS

NOTE: Warren County Socialville PWS purchases water from Cincinnati Public Water System which is required to test for cobalt. Sample information shown below was taken by Cincinnati Public Water System.

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
2013ND60ND
2014ND20ND
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

NOTE: Warren County Socialville PWS purchases water from Cincinnati Public Water System which is required to test for cobalt. Sample information shown below was taken by Cincinnati Public Water System.

Date Lab ID Result
2013-01-15201301170029AMND
2013-01-15201301170068AMND
2013-01-15201301160541AMND
2013-01-15201301170119AMND
2013-04-16201304170627AMND
2013-04-16201304170605AMND
2013-07-18201307190584AMND
2013-07-18201307190565AMND
2013-07-18201307190562AMND
2013-07-31201308010365AMND
2013-10-16201310170132AMND
2013-10-16201310170154AMND