Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Sunrise Water Authority

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).

 

30

Samples

0

Samples exceeding legal limit (MCL)

26

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.304 ppb119ND - 1.30 ppb
20140.262 ppb1917ND - 1.70 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
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
2013-10-2810563820160.420 ppb
2013-10-2810563820100.330 ppb
2013-10-2810563820040.710 ppb
2013-10-281056382007ND
2013-10-281056382001ND
2013-10-2810563820131.30 ppb
2013-10-2910563820190.0780 ppb
2013-10-2910563820220.160 ppb
2013-10-2910563820240.120 ppb
2013-10-2910563820290.110 ppb
2013-10-2910563820270.120 ppb
2014-01-2110686250040.0910 ppb
2014-01-2110686250010.110 ppb
2014-01-2110686250070.120 ppb
2014-01-2110686250090.110 ppb
2014-04-2820043700271.70 ppb
2014-04-2820043700150.0610 ppb
2014-04-2820043700230.850 ppb
2014-04-2820043700210.150 ppb
2014-04-2820043700250.130 ppb
2014-04-2820043700180.110 ppb
2014-04-2920043700120.540 ppb
2014-04-292004370001ND
2014-04-292004370004ND
2014-04-2920043700100.150 ppb
2014-04-2920043700070.400 ppb
2014-07-2820208590080.160 ppb
2014-07-2820208590010.110 ppb
2014-07-2820208590030.1000 ppb
2014-07-2820208590050.0840 ppb