Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Woodlake, City Of

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).

 

6

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020ND10ND
20210.296 ppb54ND - 0.570 ppb
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
2020-11-19CA5410020_010_010-202011191140ND
2021-08-31CA5410020_007_007-2021083110550.240 ppb
2021-08-31CA5410020_006_006-2021083110450.460 ppb
2021-08-31CA5410020_005_005-202108311010ND
2021-08-31CA5410020_008_008-2021083111090.570 ppb
2021-10-26CA5410020_010_010-2021102611150.210 ppb