Chromium (hexavalent)
City of Jacksonville
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).
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.0539 ppb | 19 | 12 | ND - 0.140 ppb |
2015 | 0.0767 ppb | 3 | 2 | ND - 0.130 ppb |
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 |
---|---|---|
2014-05-14 | 201405160299AM | 0.0450 ppb |
2014-05-14 | 201405160361AM | 0.110 ppb |
2014-05-14 | 201405160373AM | ND |
2014-05-14 | 201405160319AM | 0.0370 ppb |
2014-05-14 | 201405160371AM | ND |
2014-05-14 | 201405160321AM | 0.0470 ppb |
2014-05-14 | 201405160434AM | ND |
2014-05-14 | 201405160323AM | 0.130 ppb |
2014-08-21 | 201408220513AM | 0.140 ppb |
2014-08-21 | 201408220547AM | 0.140 ppb |
2014-11-18 | 201411190298AM | 0.0320 ppb |
2014-11-18 | 201411190586AM | ND |
2014-11-18 | 201411190427AM | 0.0500 ppb |
2014-11-18 | 201411190197AM | 0.130 ppb |
2014-11-18 | 201411190579AM | 0.120 ppb |
2014-11-18 | 201411190466AM | ND |
2014-11-18 | 201411190314AM | 0.0440 ppb |
2014-11-18 | 201411190411AM | ND |
2014-11-18 | 201411190272AM | ND |
2015-02-26 | 201502270152AM | 0.130 ppb |
2015-02-26 | 201502270193AM | 0.1000 ppb |
2015-02-26 | 201502270199AM | ND |