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EWG's Tap Water Database

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Chromium (total)

Hammond Water Works Department

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND10ND
2011ND10ND
2012ND10ND
20133.50 ppb113.50 ppb
2014ND10ND
20150.156 ppb96ND - 0.300 ppb

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
2010-05-1110E289IOC-2010ND
2011-05-0411E018201IOC-2011ND
2012-05-0712E0193IOC-2012ND
2013-05-0713E0291IOC-20133.50 ppb
2014-05-1314E0517IOC-2014ND
2015-03-2432132670.300 ppb
2015-03-2432132800.200 ppb
2015-05-0515E0171IOC-2015ND
2015-06-1632633600.200 ppb
2015-06-1632633710.300 ppb
2015-09-1533227850.200 ppb
2015-09-1533227700.200 ppb
2015-12-153374828ND
2015-12-153374793ND