Chromium (hexavalent)
NJ American Water - Raritan
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)
38
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | 0.242 ppb | 40 | 38 | ND - 1.05 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 |
|---|---|---|
| 2015-03-03 | 28336701 | 0.0700 ppb |
| 2015-03-03 | 28335901 | 0.240 ppb |
| 2015-03-03 | 28337501 | 0.170 ppb |
| 2015-03-03 | 28336501 | 0.370 ppb |
| 2015-03-06 | 28335701 | 0.0500 ppb |
| 2015-03-06 | 28336101 | 0.130 ppb |
| 2015-03-09 | 28334801 | 0.140 ppb |
| 2015-03-09 | 28419201 | 0.410 ppb |
| 2015-03-11 | 28336901 | ND |
| 2015-03-11 | 28338601 | 0.720 ppb |
| 2015-03-12 | 28334401 | 0.0700 ppb |
| 2015-03-13 | 28334601 | 0.0800 ppb |
| 2015-03-13 | 28335501 | 0.130 ppb |
| 2015-03-13 | 28338001 | 0.0900 ppb |
| 2015-03-13 | 28337701 | 0.230 ppb |
| 2015-03-13 | 28335001 | 0.970 ppb |
| 2015-03-13 | 28336301 | 0.120 ppb |
| 2015-06-10 | 29425601 | 0.750 ppb |
| 2015-06-10 | 29426601 | 0.270 ppb |
| 2015-06-10 | 29425801 | 0.150 ppb |
| 2015-09-02 | 30275301 | 0.0600 ppb |
| 2015-09-02 | 30272701 | 0.0500 ppb |
| 2015-09-02 | 30271101 | 0.0500 ppb |
| 2015-09-04 | 30274801 | 0.250 ppb |
| 2015-09-04 | 30272501 | 0.140 ppb |
| 2015-09-04 | 30273301 | ND |
| 2015-09-04 | 30271701 | 0.450 ppb |
| 2015-09-11 | 30276901 | 0.750 ppb |
| 2015-09-11 | 30272301 | 0.260 ppb |
| 2015-09-11 | 30271301 | 0.1000 ppb |
| 2015-09-11 | 30272901 | 0.360 ppb |
| 2015-09-15 | 30273101 | 0.110 ppb |
| 2015-09-15 | 30271501 | 1.05 ppb |
| 2015-09-18 | 30271901 | 0.1000 ppb |
| 2015-09-18 | 30270901 | 0.1000 ppb |
| 2015-09-18 | 30272101 | 0.0800 ppb |
| 2015-09-18 | 30274501 | 0.250 ppb |
| 2015-12-07 | 3372207 | 0.110 ppb |
| 2015-12-07 | 3372204 | 0.120 ppb |
| 2015-12-07 | 3372209 | 0.110 ppb |