Menu

EWG's Tap Water Database

Donate

Chromium (total)

Calera Water Works

Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011ND10ND
2012N/A00N/A
20130.0500 ppb41ND - 0.200 ppb
2014ND50ND
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 100 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)100 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2011-03-11110311040-001ND
2013-09-1729005550.200 ppb
2013-09-172900544ND
2013-12-182949484ND
2013-12-182949345ND
2014-03-10140310015-1ND
2014-05-023022126ND
2014-05-023022121ND
2014-06-043041548ND
2014-06-043041719ND