Chromium (hexavalent)
City of Scottsbluff
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).
40
Samples
0
Samples exceeding legal limit (MCL)
33
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.101 ppb | 20 | 16 | ND - 0.285 ppb |
| 2015 | 0.102 ppb | 20 | 17 | ND - 0.317 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 |
|---|---|---|
| 2014-10-07 | 824106-12557 | ND |
| 2014-10-07 | 824110-12568 | 0.261 ppb |
| 2014-10-07 | 824108-12557 | 0.0730 ppb |
| 2014-10-07 | 824104-12557 | 0.0760 ppb |
| 2014-10-08 | 824751-12589 | 0.0490 ppb |
| 2014-10-08 | 824747-12589 | 0.165 ppb |
| 2014-10-08 | 824749-12589 | ND |
| 2014-10-08 | 824745-12589 | ND |
| 2014-10-13 | 825295-12605 | 0.0750 ppb |
| 2014-10-13 | 825285-12605 | ND |
| 2014-10-13 | 825293-12605 | 0.146 ppb |
| 2014-10-13 | 825283-12605 | 0.274 ppb |
| 2014-10-14 | 825647-12612 | 0.0710 ppb |
| 2014-10-14 | 825649-12612 | 0.119 ppb |
| 2014-10-14 | 825645-12612 | 0.0780 ppb |
| 2014-10-14 | 825643-12612 | 0.126 ppb |
| 2014-10-15 | 826035-12612 | 0.121 ppb |
| 2014-10-15 | 826041-12612 | 0.0340 ppb |
| 2014-10-15 | 826037-12612 | 0.0680 ppb |
| 2014-10-15 | 826039-12612 | 0.285 ppb |
| 2015-03-30 | 851089-13722 | 0.0560 ppb |
| 2015-03-30 | 851091-13722 | ND |
| 2015-03-31 | 851308-13773 | 0.0410 ppb |
| 2015-03-31 | 851304-13773 | ND |
| 2015-03-31 | 851306-13773 | 0.0960 ppb |
| 2015-03-31 | 851310-13773 | 0.0770 ppb |
| 2015-04-01 | 851632-13773 | 0.0660 ppb |
| 2015-04-01 | 851630-13773 | 0.282 ppb |
| 2015-04-01 | 851636-13773 | 0.0640 ppb |
| 2015-04-01 | 851634-13773 | ND |
| 2015-04-06 | 852120-13787 | 0.119 ppb |
| 2015-04-06 | 852118-13773 | 0.146 ppb |
| 2015-04-07 | 852455-13820 | 0.123 ppb |
| 2015-04-07 | 852451-13820 | 0.124 ppb |
| 2015-04-07 | 852453-13820 | 0.0750 ppb |
| 2015-04-07 | 852449-13820 | 0.119 ppb |
| 2015-04-08 | 853072-13827 | 0.0660 ppb |
| 2015-04-08 | 853076-13827 | 0.136 ppb |
| 2015-04-08 | 853074-13827 | 0.131 ppb |
| 2015-04-08 | 853070-13827 | 0.317 ppb |