Chromium (hexavalent)
South Adams County Water and Sanitation District
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).
56
Samples
0
Samples exceeding legal limit (MCL)
47
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.330 ppb | 52 | 45 | ND - 0.730 ppb |
| 2014 | 0.0600 ppb | 4 | 2 | ND - 0.130 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 |
|---|---|
| 2013-05-20 | 0.550 ppb |
| 2013-05-20 | 0.370 ppb |
| 2013-05-20 | 0.140 ppb |
| 2013-05-20 | 0.110 ppb |
| 2013-05-20 | 0.420 ppb |
| 2013-05-20 | 0.450 ppb |
| 2013-05-20 | 0.530 ppb |
| 2013-05-20 | 0.510 ppb |
| 2013-05-20 | 0.560 ppb |
| 2013-05-20 | 0.320 ppb |
| 2013-05-20 | 0.120 ppb |
| 2013-05-20 | 0.510 ppb |
| 2013-05-21 | 0.550 ppb |
| 2013-05-21 | 0.440 ppb |
| 2013-05-21 | 0.560 ppb |
| 2013-05-21 | 0.0820 ppb |
| 2013-05-21 | 0.240 ppb |
| 2013-05-21 | 0.470 ppb |
| 2013-05-21 | 0.0690 ppb |
| 2013-05-21 | 0.550 ppb |
| 2013-05-21 | 0.500 ppb |
| 2013-05-21 | 0.400 ppb |
| 2013-05-21 | 0.520 ppb |
| 2013-05-21 | 0.0720 ppb |
| 2013-08-19 | 0.0320 ppb |
| 2013-08-19 | ND |
| 2013-09-09 | ND |
| 2013-09-09 | 0.520 ppb |
| 2013-09-09 | 0.0480 ppb |
| 2013-09-09 | 0.570 ppb |
| 2013-11-04 | 0.380 ppb |
| 2013-11-04 | 0.570 ppb |
| 2013-11-04 | 0.180 ppb |
| 2013-11-04 | 0.730 ppb |
| 2013-11-04 | 0.320 ppb |
| 2013-11-04 | 0.520 ppb |
| 2013-11-04 | 0.0490 ppb |
| 2013-11-04 | 0.510 ppb |
| 2013-11-04 | 0.580 ppb |
| 2013-11-04 | 0.340 ppb |
| 2013-11-04 | 0.200 ppb |
| 2013-11-04 | 0.230 ppb |
| 2013-11-04 | 0.510 ppb |
| 2013-11-04 | 0.270 ppb |
| 2013-11-04 | 0.520 ppb |
| 2013-11-04 | ND |
| 2013-11-04 | 0.480 ppb |
| 2013-11-04 | 0.540 ppb |
| 2013-11-12 | ND |
| 2013-11-12 | ND |
| 2013-11-12 | ND |
| 2013-11-12 | ND |
| 2014-02-10 | 0.110 ppb |
| 2014-02-10 | ND |
| 2014-02-10 | 0.130 ppb |
| 2014-02-10 | ND |