Chromium (hexavalent)
Cash SUD
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 | 0.167 ppb | 8 | 8 | 0.0685 ppb - 0.339 ppb |
2015 | 0.152 ppb | 8 | 8 | 0.0878 ppb - 0.280 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 |
---|---|---|
2014-09-24 | 4I30040-01 | 0.283 ppb |
2014-09-24 | 4I30040-02 | 0.0685 ppb |
2014-09-24 | 4I30040-04 | 0.0843 ppb |
2014-09-24 | 4I30040-03 | 0.339 ppb |
2014-12-22 | 4L30009-02 | 0.0975 ppb |
2014-12-22 | 4L30009-03 | 0.156 ppb |
2014-12-22 | 4L30009-04 | 0.110 ppb |
2014-12-22 | 4L30009-01 | 0.194 ppb |
2015-03-30 | 5D06001-02 | 0.169 ppb |
2015-03-30 | 5D06001-04 | 0.145 ppb |
2015-03-30 | 5D06001-01 | 0.130 ppb |
2015-03-30 | 5D06001-03 | 0.128 ppb |
2015-07-13 | 5G17012-02 | 0.0878 ppb |
2015-07-13 | 5G17012-01 | 0.170 ppb |
2015-07-13 | 5G17012-04 | 0.110 ppb |
2015-07-13 | 5G17012-03 | 0.280 ppb |