Chromium (hexavalent)
Savannah Valley U. D.
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).
24
Samples
0
Samples exceeding legal limit (MCL)
24
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.187 ppb | 6 | 6 | 0.0610 ppb - 0.245 ppb |
| 2015 | 0.133 ppb | 18 | 18 | 0.0400 ppb - 0.312 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 |
|---|---|
| 2014-10-27 | 0.230 ppb |
| 2014-10-27 | 0.245 ppb |
| 2014-10-28 | 0.0610 ppb |
| 2014-10-28 | 0.170 ppb |
| 2014-10-28 | 0.189 ppb |
| 2014-10-28 | 0.226 ppb |
| 2015-01-19 | 0.152 ppb |
| 2015-01-19 | 0.168 ppb |
| 2015-01-20 | 0.0420 ppb |
| 2015-01-20 | 0.0400 ppb |
| 2015-02-04 | 0.162 ppb |
| 2015-02-04 | 0.165 ppb |
| 2015-04-22 | 0.118 ppb |
| 2015-04-22 | 0.141 ppb |
| 2015-04-23 | 0.114 ppb |
| 2015-04-23 | 0.143 ppb |
| 2015-04-23 | 0.0560 ppb |
| 2015-04-23 | 0.0630 ppb |
| 2015-07-15 | 0.312 ppb |
| 2015-07-15 | 0.0490 ppb |
| 2015-07-15 | 0.173 ppb |
| 2015-07-15 | 0.278 ppb |
| 2015-07-15 | 0.0440 ppb |
| 2015-07-15 | 0.176 ppb |