Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Pennsylvania American Water Company - Mechanicsburg

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
20130.223 ppb12120.0500 ppb - 0.470 ppb
20140.163 ppb440.110 ppb - 0.200 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 Lab ID Result
2013-06-14222225010.270 ppb
2013-06-14222224010.230 ppb
2013-06-14222223010.250 ppb
2013-06-14222226010.1000 ppb
2013-09-05232893010.470 ppb
2013-09-05232894010.440 ppb
2013-09-05232896010.130 ppb
2013-09-05232895010.470 ppb
2013-12-10241116010.0500 ppb
2013-12-10241117010.0800 ppb
2013-12-11241119010.120 ppb
2013-12-12241118010.0600 ppb
2014-03-12249528010.160 ppb
2014-03-12249529010.180 ppb
2014-03-13249530010.200 ppb
2014-03-13249531010.110 ppb