Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Ephrata Area Joint Authority

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)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.192 ppb1412ND - 0.320 ppb
20140.120 ppb220.120 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
2013-04-16201304180537AM0.320 ppb
2013-04-16201304180535AMND
2013-04-16201304180539AM0.170 ppb
2013-04-17201304180544AM0.140 ppb
2013-04-17201304180575AM0.260 ppb
2013-04-17201304180546AM0.260 ppb
2013-07-22201307230177AM0.200 ppb
2013-07-22201307230268AM0.200 ppb
2013-10-0913100487-030.310 ppb
2013-10-0913100487-060.210 ppb
2013-10-0913100487-040.290 ppb
2013-10-0913100487-05ND
2013-10-0913100487-020.240 ppb
2013-10-0913100487-010.0900 ppb
2014-01-1514010637-010.120 ppb
2014-01-1514010637-020.120 ppb