Know Your Environment. Protect Your Health.

Cobalt

City of Pullman Water Department

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND200ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2014-04-16B4D1841-07ND
2014-04-16B4D1841-14ND
2014-04-16B4D1841-12ND
2014-04-16B4D1841-10ND
2014-04-16B4D1841-01ND
2014-04-16B4D1841-04ND
2014-04-17B4D1932-04ND
2014-04-17B4D1932-07ND
2014-04-17B4D1932-09ND
2014-04-17B4D1932-01ND
2014-10-13B4J1566-18ND
2014-10-13B4J1566-10ND
2014-10-13B4J1566-24ND
2014-10-13B4J1566-01ND
2014-10-13B4J1566-20ND
2014-10-13B4J1566-13ND
2014-10-14B4J1566-22ND
2014-10-14B4J1566-04ND
2014-10-14B4J1566-16ND
2014-10-14B4J1566-07ND