Chromium (hexavalent)

State College Boro Water Auth.

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).

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.367 ppb	24	24	0.260 ppb - 0.600 ppb
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	N/A	0	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-03-10	201403120436AM	0.280 ppb
2014-03-10	201403120390AM	0.280 ppb
2014-03-10	201403120470AM	0.290 ppb
2014-03-10	201403120585AM	0.280 ppb
2014-03-11	201403130389AM	0.440 ppb
2014-03-11	201403130197AM	0.270 ppb
2014-03-11	201403130337AM	0.600 ppb
2014-03-11	201403130410AM	0.280 ppb
2014-03-11	201403130418AM	0.260 ppb
2014-03-18	201403200230AM	0.390 ppb
2014-06-10	201406120367AM	0.430 ppb
2014-06-10	201406120326AM	0.300 ppb
2014-09-06	201409180693AM	0.570 ppb
2014-09-15	201409170861AM	0.320 ppb
2014-09-15	201409170857AM	0.270 ppb
2014-09-15	201409180337AM	0.580 ppb
2014-09-15	201409170798AM	0.280 ppb
2014-09-15	201409180342AM	0.570 ppb
2014-09-16	201409180741AM	0.280 ppb
2014-09-16	201409180563AM	0.590 ppb
2014-09-16	201409180704AM	0.280 ppb
2014-09-16	201409180570AM	0.330 ppb
2014-12-08	201412090765AM	0.310 ppb
2014-12-08	201412090288AM	0.330 ppb