Chromium (hexavalent)
Wichita Valley Water Supply Corporation
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).
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.545 ppb | 32 | 32 | 0.0420 ppb - 1.20 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2014-01-13 | 303895P | 0.897 ppb |
| 2014-01-13 | 303893P | 0.162 ppb |
| 2014-01-13 | 103790P | 0.142 ppb |
| 2014-01-13 | 103787P | 0.136 ppb |
| 2014-01-13 | 303896P | 0.819 ppb |
| 2014-01-13 | 103788P | 0.880 ppb |
| 2014-01-13 | 303894P | 0.883 ppb |
| 2014-01-13 | 103789P | 0.884 ppb |
| 2014-04-21 | 106616P | 0.120 ppb |
| 2014-04-21 | 106613P | 0.170 ppb |
| 2014-04-21 | 306688P | 0.170 ppb |
| 2014-04-21 | 106614P | 1.000 ppb |
| 2014-04-21 | 306689P | 0.960 ppb |
| 2014-04-21 | 306691P | 0.970 ppb |
| 2014-04-21 | 306690P | 0.970 ppb |
| 2014-04-21 | 106615P | 0.970 ppb |
| 2014-07-22 | 107856P | 0.470 ppb |
| 2014-07-22 | 307965P | 0.620 ppb |
| 2014-07-22 | 307963P | 0.520 ppb |
| 2014-07-22 | 307962P | 0.130 ppb |
| 2014-07-22 | 107857P | 1.20 ppb |
| 2014-07-22 | 107855P | 0.120 ppb |
| 2014-07-22 | 107858P | 0.110 ppb |
| 2014-07-22 | 307964P | 1.20 ppb |
| 2014-10-20 | 109468P | 0.540 ppb |
| 2014-10-20 | 109467P | 0.550 ppb |
| 2014-10-20 | 309384P | 0.540 ppb |
| 2014-10-20 | 109469P | 0.0420 ppb |
| 2014-10-20 | 309381P | 0.520 ppb |
| 2014-10-20 | 309382P | 0.510 ppb |
| 2014-10-20 | 309383P | 0.120 ppb |
| 2014-10-20 | 109466P | 0.0990 ppb |