Know Your Environment. Protect Your Health.

Chromium (total)

Sugarloaf Water Association

Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND30ND
20210.473 ppb31ND - 1.42 ppb
2022ND20ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for total chromium, established in 1991, was based on a 1958 toxicity study in laboratory animals, and applies to both the less-toxic trivalent chromium and the more-toxic hexavalent chromium forms of this compound. This limit does not protect against the risk of cancer from ingestion of hexavalent chromium.

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-04401802596ND
2018-11-06401803359ND
2019-09-04401903057ND
2020-06-22452000618ND
2020-06-22452000617ND
2020-06-22452000616CND
2021-06-10452100721CND
2021-06-10452100720C1.42 ppb
2021-10-062116626-01ND
2022-12-20452201857CND
2022-12-20452201857ND
2023-06-13452301008CND
2023-06-13452301007CND
2023-11-22452302351CND