Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Elizabethton Water 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).

 

20

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.362 ppb660.140 ppb - 0.620 ppb
20140.351 ppb14140.180 ppb - 0.620 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 Result
2013-11-050.220 ppb
2013-11-050.620 ppb
2013-11-050.230 ppb
2013-11-050.600 ppb
2013-11-050.360 ppb
2013-11-050.140 ppb
2014-02-040.350 ppb
2014-02-040.460 ppb
2014-02-040.220 ppb
2014-02-040.510 ppb
2014-05-060.220 ppb
2014-05-060.520 ppb
2014-05-060.180 ppb
2014-05-060.220 ppb
2014-05-060.340 ppb
2014-05-060.520 ppb
2014-08-050.190 ppb
2014-08-050.340 ppb
2014-08-050.230 ppb
2014-08-050.620 ppb