Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Terra Bella Irrigation District - Tbt

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND20ND
2021ND30ND
2022N/A00N/A
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
2020-08-27CA5410038_001_001-202008271300ND
2020-08-31CA5410038_024_024-202008311304ND
2021-08-23CA5410038_001_001-202108231210ND
2021-09-13CA5410038_027_027-202109131310ND
2021-09-13CA5410038_032_032-202109131219ND
2023-03-28CA5410038_002_002-202303281235ND