Know Your Environment. Protect Your Health.

Chromium (hexavalent)

New Hope

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
20130.308 ppb660.200 ppb - 0.510 ppb
20140.260 ppb220.260 ppb
20150.310 ppb660.160 ppb - 0.470 ppb
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
2013-06-0910315200010.500 ppb
2013-06-0910315200030.510 ppb
2013-09-1110484230010.220 ppb
2013-09-1110484230030.210 ppb
2013-12-1810642110010.210 ppb
2013-12-1810642110030.200 ppb
2014-03-1310762750010.260 ppb
2014-03-1310762750030.260 ppb