Chromium (hexavalent)
Westfield Water Department
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).
26
Samples
0
Samples exceeding legal limit (MCL)
26
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.626 ppb | 24 | 24 | 0.0400 ppb - 2.20 ppb |
| 2014 | 0.510 ppb | 2 | 2 | 0.510 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|
| 2013-02-27 | 0.920 ppb |
| 2013-02-27 | 0.0400 ppb |
| 2013-02-27 | 0.590 ppb |
| 2013-02-27 | 0.510 ppb |
| 2013-02-27 | 0.500 ppb |
| 2013-02-27 | 0.760 ppb |
| 2013-02-27 | 0.430 ppb |
| 2013-02-27 | 0.940 ppb |
| 2013-02-27 | 0.750 ppb |
| 2013-02-27 | 2.20 ppb |
| 2013-02-27 | 0.560 ppb |
| 2013-02-27 | 0.660 ppb |
| 2013-08-19 | 1.000 ppb |
| 2013-08-19 | 0.360 ppb |
| 2013-08-19 | 0.580 ppb |
| 2013-08-19 | 0.310 ppb |
| 2013-08-19 | 0.430 ppb |
| 2013-08-19 | 0.320 ppb |
| 2013-08-19 | 0.540 ppb |
| 2013-08-19 | 0.550 ppb |
| 2013-08-19 | 0.610 ppb |
| 2013-08-19 | 0.580 ppb |
| 2013-10-23 | 0.560 ppb |
| 2013-10-23 | 0.320 ppb |
| 2014-02-26 | 0.510 ppb |
| 2014-02-26 | 0.510 ppb |