Chromium (hexavalent)
Warminster Municipal Authority
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).
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.0909 ppb | 21 | 20 | ND - 0.300 ppb |
| 2014 | 0.0884 ppb | 25 | 23 | ND - 0.290 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2013-11-19 | 1059680025 | 0.0370 ppb |
| 2013-11-19 | 1059680007 | 0.120 ppb |
| 2013-11-19 | 1059680004 | 0.1000 ppb |
| 2013-11-19 | 1059680031 | 0.0790 ppb |
| 2013-11-19 | 1059680028 | 0.0770 ppb |
| 2013-11-19 | 1059680037 | ND |
| 2013-11-19 | 1059680034 | 0.0370 ppb |
| 2013-11-19 | 1059680001 | 0.0890 ppb |
| 2013-11-19 | 1059680022 | 0.120 ppb |
| 2013-11-19 | 1059680019 | 0.300 ppb |
| 2013-11-19 | 1059680013 | 0.0670 ppb |
| 2013-11-19 | 1059680043 | 0.0610 ppb |
| 2013-11-19 | 1059680046 | 0.0390 ppb |
| 2013-11-19 | 1059680040 | 0.0630 ppb |
| 2013-11-19 | 1059680049 | 0.0720 ppb |
| 2013-11-19 | 1059680010 | 0.0790 ppb |
| 2013-11-19 | 1059680016 | 0.0770 ppb |
| 2013-11-19 | 1059680052 | 0.0770 ppb |
| 2013-11-20 | 1059994001 | 0.0830 ppb |
| 2013-11-20 | 1059994005 | 0.0420 ppb |
| 2013-11-20 | 1059994003 | 0.290 ppb |
| 2014-02-19 | 1072717004 | 0.0450 ppb |
| 2014-02-19 | 1072717001 | 0.0670 ppb |
| 2014-05-20 | 2008319019 | 0.290 ppb |
| 2014-05-20 | 2008319052 | 0.0470 ppb |
| 2014-05-20 | 2008319010 | 0.0690 ppb |
| 2014-05-20 | 2008319001 | 0.170 ppb |
| 2014-05-20 | 2008319016 | 0.0830 ppb |
| 2014-05-20 | 2008319007 | 0.120 ppb |
| 2014-05-20 | 2008319049 | 0.0900 ppb |
| 2014-05-20 | 2008319013 | 0.0640 ppb |
| 2014-05-20 | 2008319004 | 0.130 ppb |
| 2014-05-20 | 2008319025 | 0.0380 ppb |
| 2014-05-20 | 2008319031 | 0.0810 ppb |
| 2014-05-20 | 2008319040 | 0.0570 ppb |
| 2014-05-20 | 2008319037 | ND |
| 2014-05-20 | 2008319022 | 0.190 ppb |
| 2014-05-20 | 2008319028 | 0.0740 ppb |
| 2014-05-20 | 2008319034 | ND |
| 2014-05-20 | 2008319043 | 0.0390 ppb |
| 2014-05-20 | 2008319046 | 0.0740 ppb |
| 2014-05-20 | 2008319054 | 0.0850 ppb |
| 2014-05-20 | 2008319056 | 0.190 ppb |
| 2014-06-09 | 2011601001 | 0.0550 ppb |
| 2014-08-19 | 2024764004 | 0.0410 ppb |
| 2014-08-19 | 2024764001 | 0.110 ppb |