Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Saint Paul Regional Water Services

Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).

 

8

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0985 ppb220.0770 ppb - 0.120 ppb
20140.192 ppb660.120 ppb - 0.390 ppb
2015N/A00N/A
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: 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-12-1810646370030.0770 ppb
2013-12-1810646370010.120 ppb
2014-03-1110756390010.200 ppb
2014-03-1110756390030.190 ppb
2014-06-0420106520010.130 ppb
2014-06-0420106520030.120 ppb
2014-09-1720298740010.120 ppb
2014-09-1720298740030.390 ppb