Chromium (hexavalent)
US Army Aviation and Missile Command
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 | N/A | 0 | 0 | N/A |
2015 | 0.0596 ppb | 16 | 16 | 0.0330 ppb - 0.0950 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 |
---|---|---|
2015-01-21 | 201501220391AM | 0.0390 ppb |
2015-01-21 | 201501220400AM | 0.0730 ppb |
2015-01-21 | 201501220609AM | 0.0690 ppb |
2015-01-21 | 201501220383AM | 0.0530 ppb |
2015-04-16 | 201504170392AM | 0.0500 ppb |
2015-04-16 | 201504170140AM | 0.0910 ppb |
2015-04-30 | 201504200085AM | 0.0870 ppb |
2015-04-30 | 201504200083AM | 0.0470 ppb |
2015-07-15 | 201507160198AM | 0.0480 ppb |
2015-07-15 | 201507160206AM | 0.0460 ppb |
2015-07-15 | 201507160213AM | 0.0800 ppb |
2015-07-15 | 201507160196AM | 0.0950 ppb |
2015-10-28 | 201510290088AM | 0.0420 ppb |
2015-10-28 | 201510290112AM | 0.0330 ppb |
2015-10-28 | 201510290110AM | 0.0680 ppb |
2015-10-28 | 201510290168AM | 0.0330 ppb |