Chromium (hexavalent)
Artesian Water Company
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).
48
Samples
0
Samples exceeding legal limit (MCL)
45
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.433 ppb | 24 | 21 | ND - 4.70 ppb |
| 2014 | 0.615 ppb | 24 | 24 | 0.0700 ppb - 4.70 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 | Lab ID | Result |
|---|---|---|
| 2013-07-17 | 2860840 | 0.110 ppb |
| 2013-07-17 | 2860448 | 0.1000 ppb |
| 2013-07-17 | 2860440 | 0.430 ppb |
| 2013-07-17 | 2860436 | 0.370 ppb |
| 2013-07-17 | 2860762 | ND |
| 2013-07-17 | 2860420 | 0.260 ppb |
| 2013-07-17 | 2860389 | 0.270 ppb |
| 2013-07-17 | 2860378 | 4.70 ppb |
| 2013-07-17 | 2860804 | 0.260 ppb |
| 2013-07-17 | 2860262 | 0.0700 ppb |
| 2013-07-17 | 2860339 | 0.410 ppb |
| 2013-07-17 | 2860198 | ND |
| 2013-07-17 | 2860350 | ND |
| 2013-07-17 | 2860944 | 0.380 ppb |
| 2013-07-17 | 2860512 | 0.1000 ppb |
| 2013-07-17 | 2860889 | 0.590 ppb |
| 2013-07-17 | 2860820 | 0.460 ppb |
| 2013-07-17 | 2860775 | 0.470 ppb |
| 2013-07-17 | 2860747 | 0.450 ppb |
| 2013-07-29 | 2866856 | 0.0700 ppb |
| 2013-10-15 | 2913520 | 0.350 ppb |
| 2013-10-15 | 2913524 | 0.340 ppb |
| 2013-10-15 | 2913516 | 0.110 ppb |
| 2013-10-15 | 2913850 | 0.1000 ppb |
| 2014-01-28 | 2963998 | 0.110 ppb |
| 2014-01-28 | 2964035 | 0.450 ppb |
| 2014-01-28 | 2964188 | 0.430 ppb |
| 2014-01-28 | 2963994 | 0.190 ppb |
| 2014-01-28 | 2964274 | 0.120 ppb |
| 2014-01-28 | 2964130 | 0.520 ppb |
| 2014-01-28 | 2964218 | 0.110 ppb |
| 2014-01-28 | 2964092 | 0.140 ppb |
| 2014-01-28 | 2964104 | 0.120 ppb |
| 2014-01-28 | 2964115 | 4.70 ppb |
| 2014-01-28 | 2964232 | 0.460 ppb |
| 2014-01-28 | 2964076 | 0.260 ppb |
| 2014-01-28 | 2964042 | 0.160 ppb |
| 2014-01-28 | 2964245 | 0.410 ppb |
| 2014-01-28 | 2964165 | 3.70 ppb |
| 2014-01-28 | 2964207 | 0.340 ppb |
| 2014-01-28 | 2964148 | 0.420 ppb |
| 2014-01-28 | 2964257 | 0.460 ppb |
| 2014-01-28 | 2964061 | 0.220 ppb |
| 2014-04-23 | 3014033 | 0.290 ppb |
| 2014-04-23 | 3014023 | 0.410 ppb |
| 2014-04-23 | 3014019 | 0.200 ppb |
| 2014-04-23 | 3014334 | 0.0700 ppb |
| 2014-07-16 | 3064490 | 0.460 ppb |