Chromium (hexavalent)
Hampton Shaler 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).
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 0.224 ppb | 20 | 19 | ND - 0.870 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 |
---|---|---|
2015-03-10 | 35179716007AM | 0.430 ppb |
2015-03-10 | 35179716003AM | 0.0420 ppb |
2015-03-10 | 35179716001AM | 0.150 ppb |
2015-03-10 | 35179716011AM | ND |
2015-03-10 | 35179716009AM | 0.0560 ppb |
2015-03-10 | 35179716005AM | 0.0540 ppb |
2015-06-10 | 35193400007AM | 0.0730 ppb |
2015-06-10 | 35193400005AM | 0.120 ppb |
2015-06-10 | 35193400003AM | 0.120 ppb |
2015-06-10 | 35193400001AM | 0.140 ppb |
2015-09-15 | 35208036011AM | 0.1000 ppb |
2015-09-15 | 35208036007AM | 0.680 ppb |
2015-09-15 | 35208036009AM | 0.130 ppb |
2015-09-15 | 35208036001AM | 0.870 ppb |
2015-09-15 | 35208036005AM | 0.120 ppb |
2015-09-15 | 35208036003AM | 0.0360 ppb |
2015-12-07 | 35220148003AM | 0.0700 ppb |
2015-12-07 | 35220148005AM | 0.610 ppb |
2015-12-07 | 35220148007AM | 0.0770 ppb |
2015-12-07 | 35220148001AM | 0.610 ppb |