Chromium (hexavalent)
Beverly Hills / Rolling Oaks Subdivision
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 |
|---|---|---|---|---|
| 2014 | 0.367 ppb | 13 | 13 | 0.0950 ppb - 0.490 ppb |
| 2015 | 0.320 ppb | 13 | 13 | 0.0350 ppb - 0.480 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 |
|---|---|
| 2014-06-30 | 0.410 ppb |
| 2014-06-30 | 0.380 ppb |
| 2014-06-30 | 0.190 ppb |
| 2014-06-30 | 0.280 ppb |
| 2014-06-30 | 0.350 ppb |
| 2014-06-30 | 0.0950 ppb |
| 2014-06-30 | 0.380 ppb |
| 2014-06-30 | 0.490 ppb |
| 2014-06-30 | 0.490 ppb |
| 2014-06-30 | 0.390 ppb |
| 2014-06-30 | 0.400 ppb |
| 2014-06-30 | 0.460 ppb |
| 2014-06-30 | 0.460 ppb |
| 2015-01-14 | 0.260 ppb |
| 2015-01-14 | 0.400 ppb |
| 2015-01-14 | 0.460 ppb |
| 2015-01-14 | 0.430 ppb |
| 2015-01-14 | 0.270 ppb |
| 2015-01-14 | 0.370 ppb |
| 2015-01-14 | 0.0960 ppb |
| 2015-01-14 | 0.0350 ppb |
| 2015-01-14 | 0.430 ppb |
| 2015-01-14 | 0.240 ppb |
| 2015-01-14 | 0.250 ppb |
| 2015-01-14 | 0.480 ppb |
| 2015-01-14 | 0.440 ppb |