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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Lubbock Public Water System

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

 

16

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
2014N/A00N/A
2015ND160ND
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
2015-01-28201501290293AMND
2015-01-28201501290265AMND
2015-01-28201501290329AMND
2015-01-28201501290257AMND
2015-01-28201501290319AMND
2015-02-19201502200255AMND
2015-04-14201504150427AMND
2015-04-14201504150637AMND
2015-07-07201507080400AMND
2015-07-07201507080445AMND
2015-07-07201507080447AMND
2015-07-07201507080410AMND
2015-07-07201507080671AMND
2015-07-07201507080451AMND
2015-10-22201510230392AMND
2015-10-22201510230516AMND