Know Your Environment. Protect Your Health.

Chromium (total)

Alberta Water System

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019N/A00N/A
2020ND10ND
20210.457 ppb141ND - 6.40 ppb
2022ND40ND
2023ND50ND

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
2018-06-1835399332002ND
2018-06-1835399332003ND
2018-06-1835399332004ND
2018-06-1835399332001ND
2018-06-1835399332002ND
2018-06-1835399332003ND
2018-06-1835399332004ND
2018-06-1835399332001ND
2020-12-1535599419001ND
2021-02-11B2100611-001ND
2021-04-27B2101862-005ND
2021-04-27B2101862-004ND
2021-04-27B2101862-003ND
2021-04-27B2101862-002ND
2021-04-27B2101862-001ND
2021-05-20B2102338-004ND
2021-05-20B2102338-003ND
2021-05-20B2102338-002ND
2021-05-20B2102338-001ND
2021-07-13B2103208-0016.40 ppb
2021-11-02B2105930-004ND
2021-11-02B2105930-002ND
2021-11-02B2105930-001ND
2022-01-04B2200037-001ND
2022-04-12B2201806-001ND
2022-08-11B2203834-001ND
2022-10-26B2205230-001ND
2023-03-22B2301492-001ND
2023-05-18B2302131-001ND
2023-08-10B2303327-001ND
2023-08-2335823153001ND
2023-08-2335823153002ND