Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Medway Water and Sewer Department

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).

 

16

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.281 ppb16160.0570 ppb - 0.360 ppb
2014N/A00N/A
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 Result
2013-03-250.340 ppb
2013-03-250.340 ppb
2013-03-250.300 ppb
2013-03-250.310 ppb
2013-03-250.310 ppb
2013-03-250.340 ppb
2013-03-250.300 ppb
2013-03-250.0570 ppb
2013-09-160.340 ppb
2013-09-160.270 ppb
2013-09-160.310 ppb
2013-09-160.320 ppb
2013-09-160.250 ppb
2013-09-160.280 ppb
2013-09-160.360 ppb
2013-09-160.0700 ppb