Chromium (hexavalent)
Hernando County Utilities West
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).
60
Samples
0
Samples exceeding legal limit (MCL)
57
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.710 ppb | 30 | 29 | ND - 1.90 ppb |
| 2014 | 0.625 ppb | 30 | 28 | ND - 1.80 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 |
|---|---|
| 2013-10-23 | 0.340 ppb |
| 2013-10-23 | 0.180 ppb |
| 2013-10-23 | 0.220 ppb |
| 2013-10-23 | 0.340 ppb |
| 2013-10-23 | 0.350 ppb |
| 2013-10-23 | 1.10 ppb |
| 2013-10-23 | 0.840 ppb |
| 2013-10-23 | 0.140 ppb |
| 2013-10-23 | 0.330 ppb |
| 2013-10-23 | 0.410 ppb |
| 2013-10-23 | 1.000 ppb |
| 2013-10-23 | 0.210 ppb |
| 2013-10-23 | 0.810 ppb |
| 2013-10-23 | 0.990 ppb |
| 2013-10-23 | 0.800 ppb |
| 2013-10-23 | 0.360 ppb |
| 2013-10-23 | 0.1000 ppb |
| 2013-10-23 | 0.680 ppb |
| 2013-10-23 | 1.80 ppb |
| 2013-10-23 | 0.770 ppb |
| 2013-10-23 | 0.320 ppb |
| 2013-10-23 | 0.700 ppb |
| 2013-10-23 | 1.80 ppb |
| 2013-10-23 | 0.730 ppb |
| 2013-10-23 | 1.90 ppb |
| 2013-10-23 | 0.190 ppb |
| 2013-10-23 | 1.80 ppb |
| 2013-10-23 | ND |
| 2013-10-23 | 1.50 ppb |
| 2013-12-18 | 0.590 ppb |
| 2014-04-23 | 0.290 ppb |
| 2014-04-23 | 0.210 ppb |
| 2014-04-23 | 0.450 ppb |
| 2014-04-23 | 0.270 ppb |
| 2014-04-23 | 1.50 ppb |
| 2014-04-23 | 0.600 ppb |
| 2014-04-23 | 0.310 ppb |
| 2014-04-23 | 0.690 ppb |
| 2014-04-23 | 0.590 ppb |
| 2014-04-23 | 0.940 ppb |
| 2014-04-23 | 1.60 ppb |
| 2014-04-23 | 0.230 ppb |
| 2014-04-23 | 0.110 ppb |
| 2014-04-23 | 0.130 ppb |
| 2014-04-23 | 0.860 ppb |
| 2014-04-23 | 1.80 ppb |
| 2014-04-23 | 0.620 ppb |
| 2014-04-23 | 0.160 ppb |
| 2014-04-23 | 1.000 ppb |
| 2014-04-23 | ND |
| 2014-04-23 | 0.950 ppb |
| 2014-04-23 | ND |
| 2014-04-23 | 0.380 ppb |
| 2014-04-23 | 1.50 ppb |
| 2014-04-23 | 0.290 ppb |
| 2014-04-23 | 0.500 ppb |
| 2014-04-23 | 1.000 ppb |
| 2014-04-23 | 0.300 ppb |
| 2014-04-23 | 0.280 ppb |
| 2014-04-23 | 1.20 ppb |