Menu

EWG's Tap Water Database

Donate

Chromium (total)

Carthage

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
20100.760 ppb21ND - 1.52 ppb
2011N/A00N/A
2012N/A00N/A
20130.201 ppb81ND - 1.61 ppb
2014N/A00N/A
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
2010-01-18AB115521.52 ppb
2010-01-18AB11553ND
2013-01-15AB89911ND
2013-01-15AB899121.61 ppb
2013-03-18AB94168ND
2013-03-18AB94166ND
2013-03-18AB94164ND
2013-09-23AC10511ND
2013-09-23AC10513ND
2013-09-23AC10515ND