Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Klamath Falls 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).

 

28

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.170 ppb2818ND - 0.664 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
2014-05-2714E1105-09A0.366 ppb
2014-05-2714E1105-17A0.0990 ppb
2014-05-2714E1105-18A0.633 ppb
2014-05-2714E1105-13AND
2014-05-2714E1105-16A0.167 ppb
2014-05-2714E1105-03A0.114 ppb
2014-05-2714E1105-21AND
2014-05-2714E1105-05A0.0960 ppb
2014-05-2714E1105-19A0.354 ppb
2014-05-2714E1105-15AND
2014-05-2714E1105-01AND
2014-05-2714E1105-20AND
2014-05-2714E1105-11AND
2014-05-2714E1105-07A0.648 ppb
2014-11-1814K0793-27AND
2014-11-1814K0793-13AND
2014-11-1814K0793-25AND
2014-11-1814K0793-21A0.664 ppb
2014-11-1814K0793-17A0.0770 ppb
2014-11-1814K0793-15A0.0500 ppb
2014-11-1814K0793-23A0.283 ppb
2014-11-1814K0793-19A0.0650 ppb
2014-11-1814K0793-03A0.0830 ppb
2014-11-1814K0793-05A0.0690 ppb
2014-11-1814K0793-01A0.0500 ppb
2014-11-1814K0793-09A0.299 ppb
2014-11-1814K0793-11AND
2014-11-1814K0793-07A0.653 ppb