Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Rio Cosumnes Correctional Center [sws]

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).

 

8

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND10ND
20220.135 ppb21ND - 0.270 ppb
2023ND10ND

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
2018-08-21CA3400229_003_003-201808211058ND
2019-02-14CA3400229_001_001-201902140809ND
2020-02-11CA3400229_008_008-202002111243ND
2020-11-09CA3400229_002_002-202011091503ND
2021-08-02CA3400229_003_003-202108021227ND
2022-02-14CA3400229_001_001-202202141000ND
2022-11-07CA3400229_008_008-2022110712100.270 ppb
2023-11-07CA3400229_002_002-202311070840ND