Chromium (hexavalent)
City of Hastings
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).
38
Samples
0
Samples exceeding legal limit (MCL)
38
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.781 ppb | 38 | 38 | 0.270 ppb - 1.25 ppb |
| 2014 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-04-16 | 714834-8671 | 1.02 ppb |
| 2013-04-16 | 714830-8671 | 1.13 ppb |
| 2013-04-16 | 714832-8671 | 0.737 ppb |
| 2013-04-16 | 714828-8671 | 0.873 ppb |
| 2013-04-17 | 715137-8675 | 0.860 ppb |
| 2013-04-17 | 715098-8675 | 0.641 ppb |
| 2013-04-22 | 715669-8682 | 0.725 ppb |
| 2013-04-22 | 715651-8682 | 1.19 ppb |
| 2013-05-21 | 720744-8921 | 0.352 ppb |
| 2013-05-21 | 720758-8921 | 0.361 ppb |
| 2013-05-22 | 721086-8942 | 0.426 ppb |
| 2013-05-22 | 721108-8942 | 1.15 ppb |
| 2013-05-22 | 721113-8942 | 0.284 ppb |
| 2013-05-22 | 721111-8942 | 0.371 ppb |
| 2013-06-04 | 723380-9041 | 0.907 ppb |
| 2013-06-04 | 723382-9041 | 0.583 ppb |
| 2013-06-05 | 723893-9051 | 0.348 ppb |
| 2013-08-20 | 739407-9585 | 0.902 ppb |
| 2013-09-04 | 742278-9669 | 0.597 ppb |
| 2013-10-16 | 753505-10071 | 1.25 ppb |
| 2013-10-16 | 753507-10071 | 1.19 ppb |
| 2013-10-22 | 754250-10095 | 0.270 ppb |
| 2013-10-22 | 754256-10095 | 0.548 ppb |
| 2013-10-23 | 754870-10124 | 0.726 ppb |
| 2013-10-23 | 754860-10101 | 1.09 ppb |
| 2013-10-23 | 754872-10124 | 1.08 ppb |
| 2013-10-23 | 754851-10101 | 0.987 ppb |
| 2013-11-05 | 757050-10225 | 1.06 ppb |
| 2013-11-05 | 757061-10225 | 0.447 ppb |
| 2013-11-05 | 757067-10225 | 0.646 ppb |
| 2013-11-05 | 757042-10225 | 0.336 ppb |
| 2013-11-06 | 757381-10234 | 1.18 ppb |
| 2013-11-06 | 757369-10234 | 1.06 ppb |
| 2013-11-06 | 757375-10234 | 1.14 ppb |
| 2013-11-19 | 759469-10337 | 1.14 ppb |
| 2013-11-19 | 759567-10333 | 0.385 ppb |
| 2013-11-19 | 759599-10349 | 0.906 ppb |
| 2013-11-19 | 759573-10333 | 0.796 ppb |