Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Aquarion Water Company of Connecticut - Simsbury System

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).

 

20

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.379 ppb20200.230 ppb - 0.580 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 Lab ID Result
2013-06-06201306070152AM0.580 ppb
2013-06-06201306070271AM0.500 ppb
2013-06-06201306070171AM0.230 ppb
2013-06-06201306070252AM0.450 ppb
2013-06-06201306070094AM0.250 ppb
2013-06-06201306070246AM0.490 ppb
2013-06-06201306070248AM0.340 ppb
2013-06-06201306070244AM0.380 ppb
2013-06-06201306070240AM0.280 ppb
2013-06-06201306070150AM0.240 ppb
2013-12-04201312050109AM0.360 ppb
2013-12-04201312050059AM0.430 ppb
2013-12-04201312050185AM0.580 ppb
2013-12-04201312050091AM0.430 ppb
2013-12-04201312050157AM0.290 ppb
2013-12-04201312050285AM0.500 ppb
2013-12-04201312050159AM0.520 ppb
2013-12-04201312050176AM0.240 ppb
2013-12-04201312050155AM0.250 ppb
2013-12-04201312050291AM0.230 ppb