Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

Santa Clarita Water Division

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

MORE ABOUT THIS CONTAMINANT

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0278 ppb361ND - 1.000 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/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
2014-01-16201401170105AMND
2014-01-16201401170107AMND
2014-01-16201401170103AMND
2014-01-23201401230579AMND
2014-04-09201404110132AMND
2014-04-09201404110093AMND
2014-04-09201404110126AMND
2014-04-09201404110120AMND
2014-04-09201404110113AMND
2014-04-09201404110130AMND
2014-04-09201404110128AMND
2014-04-09201404110068AMND
2014-04-09201404110087AMND
2014-04-09201404110118AMND
2014-04-10201404110083AMND
2014-04-10201404110070AMND
2014-04-10201404110115AMND
2014-04-10201404110110AMND
2014-04-10201404110099AMND
2014-07-16201407160902AMND
2014-07-16201407160900AMND
2014-07-16201407160886AMND
2014-07-16201407160888AMND
2014-10-15201410150595AM1.000 ppb
2014-10-15201410150583AMND
2014-10-15201410150587AMND
2014-10-15201410150597AMND
2014-10-15201410150593AMND
2014-10-15201410150599AMND
2014-10-15201410150589AMND
2014-10-15201410150601AMND
2014-10-15201410150585AMND
2014-10-15201410150591AMND
2014-10-15201410150581AMND
2014-10-15201410150579AMND
2014-10-15201410150577AMND