Chromium (hexavalent)
City of Detroit
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).
32
Samples
0
Samples exceeding legal limit (MCL)
32
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.0959 ppb | 8 | 8 | 0.0590 ppb - 0.170 ppb |
| 2015 | 0.122 ppb | 24 | 24 | 0.0600 ppb - 0.240 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 | Lab ID | Result |
|---|---|---|
| 2014-10-20 | 35160217005AM | 0.0940 ppb |
| 2014-10-20 | 35160217007AM | 0.0890 ppb |
| 2014-10-20 | 35160217003AM | 0.0860 ppb |
| 2014-10-20 | 35160217001AM | 0.0950 ppb |
| 2014-10-20 | 35160217015AM | 0.0790 ppb |
| 2014-10-20 | 35160217011AM | 0.0950 ppb |
| 2014-10-20 | 35160217009AM | 0.170 ppb |
| 2014-10-20 | 35160217013AM | 0.0590 ppb |
| 2015-01-14 | 35171455001AM | 0.0840 ppb |
| 2015-01-14 | 35171455005AM | 0.0960 ppb |
| 2015-01-14 | 35171455007AM | 0.0960 ppb |
| 2015-01-14 | 35171455011AM | 0.0800 ppb |
| 2015-01-14 | 35171455013AM | 0.0600 ppb |
| 2015-01-14 | 35171455015AM | 0.0840 ppb |
| 2015-01-14 | 35171455003AM | 0.0820 ppb |
| 2015-01-14 | 35171455009AM | 0.150 ppb |
| 2015-04-13 | 35183948015AM | 0.0970 ppb |
| 2015-04-13 | 35183948009AM | 0.0630 ppb |
| 2015-04-13 | 35183948013AM | 0.1000 ppb |
| 2015-04-13 | 35183948011AM | 0.1000 ppb |
| 2015-04-13 | 35183948001AM | 0.0950 ppb |
| 2015-04-13 | 35183948003AM | 0.0960 ppb |
| 2015-04-13 | 35183948005AM | 0.110 ppb |
| 2015-04-13 | 35183948007AM | 0.1000 ppb |
| 2015-07-14 | 35197937005AM | 0.180 ppb |
| 2015-07-14 | 35197937001AM | 0.190 ppb |
| 2015-07-14 | 35197937007AM | 0.240 ppb |
| 2015-07-14 | 35197937003AM | 0.210 ppb |
| 2015-07-14 | 35197937013AM | 0.180 ppb |
| 2015-07-14 | 35197937009AM | 0.150 ppb |
| 2015-07-14 | 35197937011AM | 0.110 ppb |
| 2015-07-14 | 35197937015AM | 0.180 ppb |