Know Your Environment. Protect Your Health.

Cobalt

Port Orchard Water Department

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND220ND
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
2015-01-26B5A2436-04ND
2015-01-26B5A2436-17ND
2015-01-26B5A2436-15ND
2015-01-26B5A2436-01ND
2015-01-26B5A2436-13ND
2015-01-26B5A2436-07ND
2015-01-26B5A2436-19ND
2015-01-26B5A2436-10ND
2015-01-28B5A2687-01ND
2015-01-28B5A2687-04ND
2015-04-06B5D0545-04ND
2015-04-06B5D0545-01ND
2015-07-06B5G0536-12ND
2015-07-06B5G0536-07ND
2015-07-06B5G0536-04ND
2015-07-06B5G0540-01ND
2015-07-06B5G0536-14ND
2015-07-06B5G0536-10ND
2015-07-06B5G0540-04ND
2015-07-06B5G0536-01ND
2015-10-13B5J1338-04ND
2015-10-13B5J1338-01ND