Chromium (hexavalent)
Salt Lake City Water System
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).
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | 0.461 ppb | 34 | 32 | ND - 2.00 ppb |
2014 | 0.234 ppb | 3 | 3 | 0.0420 ppb - 0.340 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 | Result |
---|---|
2013-02-12 | 0.180 ppb |
2013-02-12 | 0.460 ppb |
2013-02-12 | 0.0500 ppb |
2013-02-12 | 0.360 ppb |
2013-02-12 | 0.200 ppb |
2013-02-12 | 0.240 ppb |
2013-05-14 | 0.120 ppb |
2013-05-14 | 0.0750 ppb |
2013-05-14 | 0.360 ppb |
2013-05-14 | 0.0700 ppb |
2013-05-14 | 0.0710 ppb |
2013-06-04 | 0.570 ppb |
2013-06-04 | 1.000 ppb |
2013-06-18 | 1.10 ppb |
2013-08-13 | 0.0780 ppb |
2013-08-13 | 0.680 ppb |
2013-08-13 | 0.150 ppb |
2013-08-13 | 0.350 ppb |
2013-08-13 | 0.280 ppb |
2013-08-13 | 0.500 ppb |
2013-08-13 | 0.710 ppb |
2013-08-13 | 2.00 ppb |
2013-08-13 | 0.680 ppb |
2013-08-13 | 0.480 ppb |
2013-08-13 | 1.30 ppb |
2013-08-13 | 0.800 ppb |
2013-08-13 | 1.10 ppb |
2013-08-13 | ND |
2013-08-13 | ND |
2013-08-27 | 0.270 ppb |
2013-08-27 | 0.390 ppb |
2013-08-27 | 0.620 ppb |
2013-12-06 | 0.290 ppb |
2013-12-18 | 0.150 ppb |
2014-01-06 | 0.0420 ppb |
2014-01-06 | 0.320 ppb |
2014-01-06 | 0.340 ppb |