Know Your Environment. Protect Your Health.

Chromium (hexavalent)

City of Pendleton

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)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0653 ppb84ND - 0.210 ppb
20140.0291 ppb82ND - 0.140 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
2013-07-1710388670030.0750 ppb
2013-07-171038867001ND
2013-07-171038867005ND
2013-07-2910406830010.0970 ppb
2013-07-2910406830030.140 ppb
2013-07-2910406830060.210 ppb
2013-10-091053287003ND
2013-10-091053287001ND
2014-01-151068239006ND
2014-01-151068239004ND
2014-01-151068239009ND
2014-01-151068239001ND
2014-04-092001666001ND
2014-04-092001666004ND
2014-05-2820100230040.0930 ppb
2014-05-2820100230010.140 ppb