Chromium (hexavalent)
Point Baker Water System Inc.
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).
20
Samples
0
Samples exceeding legal limit (MCL)
20
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.132 ppb | 10 | 10 | 0.0310 ppb - 0.230 ppb |
| 2015 | 0.213 ppb | 10 | 10 | 0.0600 ppb - 0.490 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 | Result |
|---|---|
| 2014-08-18 | 0.220 ppb |
| 2014-08-18 | 0.0310 ppb |
| 2014-08-18 | 0.220 ppb |
| 2014-08-18 | 0.140 ppb |
| 2014-08-18 | 0.130 ppb |
| 2014-08-18 | 0.230 ppb |
| 2014-08-18 | 0.130 ppb |
| 2014-08-18 | 0.0570 ppb |
| 2014-08-18 | 0.130 ppb |
| 2014-08-18 | 0.0340 ppb |
| 2015-02-05 | 0.220 ppb |
| 2015-02-05 | 0.350 ppb |
| 2015-02-05 | 0.0600 ppb |
| 2015-02-05 | 0.130 ppb |
| 2015-02-05 | 0.0690 ppb |
| 2015-02-05 | 0.130 ppb |
| 2015-02-05 | 0.490 ppb |
| 2015-02-05 | 0.190 ppb |
| 2015-02-05 | 0.420 ppb |
| 2015-02-05 | 0.0680 ppb |