Chromium (hexavalent)
Northampton Bucks County 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).
46
Samples
0
Samples exceeding legal limit (MCL)
37
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 | 0.0917 ppb | 46 | 37 | ND - 0.270 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 |
|---|---|---|
| 2015-02-12 | 35176428019AM | ND |
| 2015-02-12 | 35176428015AM | ND |
| 2015-02-12 | 35176428017AM | 0.0780 ppb |
| 2015-02-12 | 35176428023AM | 0.0800 ppb |
| 2015-02-12 | 35176428003AM | 0.130 ppb |
| 2015-02-12 | 35176428005AM | 0.0620 ppb |
| 2015-02-12 | 35176428009AM | ND |
| 2015-02-12 | 35176428001AM | 0.120 ppb |
| 2015-02-12 | 35176428007AM | 0.270 ppb |
| 2015-02-12 | 35176428013AM | ND |
| 2015-02-12 | 35176428021AM | 0.0970 ppb |
| 2015-02-12 | 35176428011AM | ND |
| 2015-02-18 | 35176879011AM | 0.0850 ppb |
| 2015-02-18 | 35176879009AM | 0.0910 ppb |
| 2015-02-18 | 35176879001AM | 0.0660 ppb |
| 2015-02-18 | 35176879005AM | 0.120 ppb |
| 2015-02-18 | 35176879003AM | 0.140 ppb |
| 2015-02-18 | 35176879007AM | 0.160 ppb |
| 2015-02-18 | 35176879017AM | 0.0470 ppb |
| 2015-02-18 | 35176879013AM | 0.0410 ppb |
| 2015-02-18 | 35176879015AM | 0.180 ppb |
| 2015-05-12 | 35188738003AM | 0.1000 ppb |
| 2015-05-12 | 35188738001AM | 0.0810 ppb |
| 2015-08-18 | 35204918033AM | 0.140 ppb |
| 2015-08-18 | 35204918001AM | 0.0940 ppb |
| 2015-08-18 | 35204918031AM | 0.120 ppb |
| 2015-08-18 | 35204918025AM | ND |
| 2015-08-18 | 35204918003AM | 0.120 ppb |
| 2015-08-18 | 35204918027AM | 0.0820 ppb |
| 2015-08-18 | 35204918029AM | ND |
| 2015-08-18 | 35204918009AM | 0.0890 ppb |
| 2015-08-18 | 35204918007AM | 0.160 ppb |
| 2015-08-18 | 35204918023AM | ND |
| 2015-08-18 | 35204918005AM | 0.150 ppb |
| 2015-08-25 | 35204918019AM | 0.0510 ppb |
| 2015-08-25 | 35204918041AM | 0.0860 ppb |
| 2015-08-25 | 35204918039AM | 0.120 ppb |
| 2015-08-25 | 35204918015AM | 0.110 ppb |
| 2015-08-25 | 35204918021AM | ND |
| 2015-08-25 | 35204918013AM | 0.130 ppb |
| 2015-08-25 | 35204918011AM | 0.160 ppb |
| 2015-08-25 | 35204918037AM | 0.230 ppb |
| 2015-08-25 | 35204918017AM | 0.160 ppb |
| 2015-08-25 | 35204918035AM | 0.140 ppb |
| 2015-11-17 | 35217754001AM | 0.0480 ppb |
| 2015-11-17 | 35217754003AM | 0.0780 ppb |