Chromium (hexavalent)
City of Fullerton
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).
68
Samples
0
Samples exceeding legal limit (MCL)
41
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.123 ppb | 16 | 16 | 0.0300 ppb - 0.460 ppb |
| 2014 | 0.464 ppb | 31 | 22 | ND - 1.40 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 0.0917 ppb | 12 | 1 | ND - 1.10 ppb |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | 0.268 ppb | 9 | 2 | ND - 1.31 ppb |
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 |
|---|---|---|
| 2013-03-04 | 3010010811 | 0.110 ppb |
| 2013-03-04 | 3010010998 | 0.240 ppb |
| 2013-03-04 | 3010010999 | 0.1000 ppb |
| 2013-03-05 | 3010010810 | 0.120 ppb |
| 2013-06-10 | 3010010810-2 | 0.0800 ppb |
| 2013-06-10 | 3010010811-2 | 0.0800 ppb |
| 2013-06-10 | 3010010999-2 | 0.0800 ppb |
| 2013-06-10 | 3010010998-2 | 0.240 ppb |
| 2013-09-03 | 3010010811-3 | 0.0600 ppb |
| 2013-09-03 | 3010010810-3 | 0.0600 ppb |
| 2013-09-04 | 3010010999-3 | 0.0600 ppb |
| 2013-09-04 | 3010010998-3 | 0.180 ppb |
| 2013-12-09 | 3010010998-4 | 0.460 ppb |
| 2013-12-09 | 3010010811-4 | 0.0300 ppb |
| 2013-12-09 | 3010010999-4 | 0.0400 ppb |
| 2013-12-09 | 3010010810-4 | 0.0300 ppb |
| 2014-02-11 | 4417-012-0910 | ND |
| 2014-04-15 | 3010010808-1 | 0.310 ppb |
| 2014-04-15 | 3010010997-1 | 0.670 ppb |
| 2014-04-15 | 3010010996-1 | 0.260 ppb |
| 2014-04-15 | 3010010995-1 | 0.670 ppb |
| 2014-04-15 | 3010010809-1 | 0.270 ppb |
| 2014-04-15 | 3010010804-1 | 0.230 ppb |
| 2014-04-15 | 3010010802-1 | 1.36 ppb |
| 2014-04-15 | 3010010803-1 | 0.250 ppb |
| 2014-04-15 | 3010010806-1 | 0.920 ppb |
| 2014-04-15 | 3010010805-1 | 0.720 ppb |
| 2014-06-02 | 4417-015-1110 | ND |
| 2014-06-02 | 4417-016-1150 | 1.20 ppb |
| 2014-06-02 | 4417-018-0925 | ND |
| 2014-06-02 | 4417-021-1035 | ND |
| 2014-06-02 | 4417-013-1010 | 1.40 ppb |
| 2014-06-02 | 4417-014-0855 | ND |
| 2014-06-02 | 4417-011-0910 | ND |
| 2014-06-02 | 4417-010-0940 | ND |
| 2014-06-02 | 4417-007-1055 | ND |
| 2014-06-02 | 4417-001-1210 | ND |
| 2014-09-16 | 14090454 | 0.300 ppb |
| 2014-09-16 | 14090447 | 1.21 ppb |
| 2014-09-16 | 14090449 | 0.700 ppb |
| 2014-09-16 | 14090450 | 0.270 ppb |
| 2014-09-16 | 14090452 | 0.880 ppb |
| 2014-09-16 | 14090456 | 0.820 ppb |
| 2014-09-16 | 14090453 | 1.19 ppb |
| 2014-09-18 | 14090543-02 | 0.230 ppb |
| 2014-09-18 | 14090542-02 | 0.190 ppb |
| 2014-09-18 | 14090541-02 | 0.320 ppb |
| 2016-02-03 | 4417-012-0950 | ND |
| 2016-02-03 | 4417-014-0920 | ND |
| 2016-02-03 | 4417-010-1010 | ND |
| 2016-02-23 | 4417-015-0955 | ND |
| 2016-05-02 | 4417-011-0920 | ND |
| 2016-05-02 | 4417-016-1150 | 1.10 ppb |
| 2016-05-02 | 4417-018-0935 | ND |
| 2016-05-02 | 4417-007-1115 | ND |
| 2016-05-02 | 4417-021-1045 | ND |
| 2016-06-29 | 4417-015-0920 | ND |
| 2016-06-29 | 4417-015-0905 | ND |
| 2016-08-04 | 4417-001-1145 | ND |
| 2019-03-05 | 4417-014-0920 | ND |
| 2019-03-05 | 4417-012-1210 | ND |
| 2019-03-20 | 4417-001-0950 | 1.31 ppb |
| 2019-04-03 | 4417-007-1145 | ND |
| 2019-04-03 | 4417-021-1115 | ND |
| 2019-04-08 | 4417-011-1005 | ND |
| 2019-04-08 | 4417-015-1145 | ND |
| 2019-04-08 | 4417-016-1215 | 1.10 ppb |
| 2019-04-08 | 4417-018-0845 | ND |