Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Frognot Water Supply Corporation

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).

 

12

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20150.00926 ppb123ND - 0.0448 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
2015-06-01113681PND
2015-06-01113682PND
2015-06-01113683PND
2015-06-01313751PND
2015-06-01313752PND
2015-06-01313750P0.0356 ppb
2015-12-01116310PND
2015-12-01116312PND
2015-12-01316381PND
2015-12-01316383PND
2015-12-01316382P0.0307 ppb
2015-12-01116311P0.0448 ppb