Chromium (hexavalent)
Burbank Water Department
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).
304
Samples
0
Samples exceeding legal limit (MCL)
302
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 4.25 ppb | 58 | 58 | 2.30 ppb - 6.80 ppb |
| 2015 | 4.35 ppb | 55 | 55 | 2.10 ppb - 6.80 ppb |
| 2016 | 3.76 ppb | 37 | 37 | 1.90 ppb - 5.40 ppb |
| 2017 | 2.50 ppb | 50 | 49 | ND - 4.80 ppb |
| 2018 | 2.94 ppb | 52 | 51 | ND - 3.90 ppb |
| 2019 | 2.71 ppb | 52 | 52 | 1.10 ppb - 4.00 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 |
|---|---|---|
| 2014-01-06 | 9590-053-0715 | 4.30 ppb |
| 2014-01-13 | 9590-053-0650 | 4.80 ppb |
| 2014-01-20 | 9590-053-0645 | 5.70 ppb |
| 2014-01-27 | 9590-053-0700 | 3.80 ppb |
| 2014-02-03 | 9590-053-0715 | 3.00 ppb |
| 2014-02-10 | 9590-053-0700 | 3.40 ppb |
| 2014-02-17 | 9590-053-0700 | 3.50 ppb |
| 2014-02-24 | 9590-053-0655 | 3.40 ppb |
| 2014-03-03 | 9590-053-0640 | 3.10 ppb |
| 2014-03-10 | 9590-053-0700 | 6.80 ppb |
| 2014-03-17 | 9590-053-0650 | 3.50 ppb |
| 2014-03-24 | 9590-053-0700 | 4.60 ppb |
| 2014-03-31 | 9590-053-0700 | 4.00 ppb |
| 2014-04-07 | 9590-053-0705 | 5.30 ppb |
| 2014-04-14 | 9590-053-0640 | 5.70 ppb |
| 2014-04-21 | 9590-053-0700 | 4.30 ppb |
| 2014-04-28 | 9590-053-0700 | 5.40 ppb |
| 2014-05-05 | 9590-053-0645 | 2.70 ppb |
| 2014-05-12 | 9590-053-0600 | 5.00 ppb |
| 2014-05-19 | 9590-053-0655 | 3.90 ppb |
| 2014-05-27 | 9590-053-0640 | 4.00 ppb |
| 2014-06-02 | 9590-053-0700 | 4.40 ppb |
| 2014-06-06 | 201406060385AM | 4.30 ppb |
| 2014-06-06 | 201406060383AM | 5.30 ppb |
| 2014-06-09 | 9590-053-0700 | 5.40 ppb |
| 2014-06-16 | 9590-053-0630 | 4.20 ppb |
| 2014-06-23 | 9590-053-0730 | 5.30 ppb |
| 2014-06-30 | 9590-053-0700 | 4.20 ppb |
| 2014-07-07 | 9590-053-0700 | 4.50 ppb |
| 2014-07-14 | 9590-053-0700 | 4.50 ppb |
| 2014-07-21 | 9590-053-0650 | 4.00 ppb |
| 2014-07-28 | 9590-053-0715 | 4.70 ppb |
| 2014-08-04 | 9590-053-0700 | 4.80 ppb |
| 2014-08-11 | 9590-053-1310 | 5.70 ppb |
| 2014-08-18 | 9590-053-0630 | 3.10 ppb |
| 2014-08-25 | 9590-053-0700 | 4.90 ppb |
| 2014-09-02 | 9590-053-0725 | 4.50 ppb |
| 2014-09-08 | 9590-053-0750 | 5.30 ppb |
| 2014-09-12 | 201409120921AM | 4.20 ppb |
| 2014-09-12 | 201409120919AM | 3.30 ppb |
| 2014-09-15 | 9590-053-0700 | 3.10 ppb |
| 2014-09-22 | 9590-053-0700 | 4.60 ppb |
| 2014-09-29 | 9590-053-0650 | 5.20 ppb |
| 2014-10-06 | 9590-053-0710 | 6.00 ppb |
| 2014-10-13 | 9590-053-0700 | 3.20 ppb |
| 2014-10-20 | 9590-053-0640 | 4.00 ppb |
| 2014-10-27 | 9590-053-0700 | 3.20 ppb |
| 2014-11-03 | 9590-053-0655 | 2.90 ppb |
| 2014-11-10 | 9590-053-0655 | 3.50 ppb |
| 2014-11-17 | 9590-053-0730 | 4.20 ppb |
| 2014-11-24 | 9590-053-0800 | 4.90 ppb |
| 2014-12-01 | 9590-053-0720 | 3.00 ppb |
| 2014-12-05 | 201412050271AM | 3.40 ppb |
| 2014-12-05 | 201412050269AM | 3.90 ppb |
| 2014-12-08 | 9590-053-0700 | 4.60 ppb |
| 2014-12-15 | 9590-053-0650 | 4.20 ppb |
| 2014-12-22 | 9590-053-0715 | 2.30 ppb |
| 2014-12-29 | 9590-053-0735 | 3.60 ppb |
| 2015-01-05 | 9590-053-0840 | 2.80 ppb |
| 2015-01-12 | 9590-053-0825 | 3.80 ppb |
| 2015-01-19 | 9590-053-1020 | 4.20 ppb |
| 2015-01-26 | 9590-053-0700 | 6.00 ppb |
| 2015-02-02 | 9590-053-0655 | 6.20 ppb |
| 2015-02-03 | 9590-053-0725 | 4.50 ppb |
| 2015-02-09 | 9590-053-0700 | 6.20 ppb |
| 2015-02-16 | 9590-053-0940 | 5.60 ppb |
| 2015-02-23 | 9590-053-0640 | 5.70 ppb |
| 2015-03-02 | 9590-053-0700 | 4.30 ppb |
| 2015-03-04 | 201503040301AM | 4.00 ppb |
| 2015-03-04 | 201503040299AM | 5.50 ppb |
| 2015-03-09 | 9590-053-0650 | 6.80 ppb |
| 2015-03-16 | 9590-053-0640 | 4.80 ppb |
| 2015-03-23 | 9590-053-0800 | 3.70 ppb |
| 2015-03-30 | 9590-053-0645 | 4.10 ppb |
| 2015-04-06 | 9590-053-0730 | 4.40 ppb |
| 2015-04-13 | 9590-053-0700 | 2.80 ppb |
| 2015-04-20 | 9590-053-0700 | 5.50 ppb |
| 2015-04-27 | 9590-053-0650 | 6.60 ppb |
| 2015-05-04 | 9590-053-0650 | 6.10 ppb |
| 2015-05-11 | 9590-053-0650 | 4.50 ppb |
| 2015-05-18 | 9590-053-0645 | 6.60 ppb |
| 2015-05-26 | 9590-053-0700 | 3.70 ppb |
| 2015-06-01 | 9590-053-0700 | 5.20 ppb |
| 2015-06-08 | 9590-053-0650 | 5.60 ppb |
| 2015-06-15 | 9590-053-0700 | 5.30 ppb |
| 2015-06-22 | 9590-053-0710 | 3.80 ppb |
| 2015-06-29 | 9590-053-0645 | 4.80 ppb |
| 2015-07-06 | 9590-053-0730 | 2.90 ppb |
| 2015-07-13 | 9590-053-0710 | 4.90 ppb |
| 2015-07-20 | 9590-053-0655 | 5.20 ppb |
| 2015-07-27 | 9590-053-0700 | 5.10 ppb |
| 2015-08-03 | 9590-053-0710 | 5.30 ppb |
| 2015-08-10 | 9590-053-0700 | 2.30 ppb |
| 2015-08-17 | 9590-053-1000 | 2.10 ppb |
| 2015-08-24 | 9590-053-0700 | 2.70 ppb |
| 2015-08-31 | 9590-053-0635 | 2.10 ppb |
| 2015-09-08 | 9590-053-0700 | 3.80 ppb |
| 2015-09-14 | 9590-053-0710 | 3.60 ppb |
| 2015-09-21 | 9590-053-0630 | 3.60 ppb |
| 2015-09-28 | 9590-053-0700 | 4.30 ppb |
| 2015-10-05 | 9590-053-0700 | 3.40 ppb |
| 2015-10-12 | 9590-053-0700 | 3.60 ppb |
| 2015-10-19 | 9590-053-0700 | 5.00 ppb |
| 2015-10-26 | 9590-053-0700 | 4.40 ppb |
| 2015-11-02 | 9590-053-0930 | 5.30 ppb |
| 2015-11-09 | 9590-053-0800 | 3.10 ppb |
| 2015-11-16 | 9590-053-0700 | 2.80 ppb |
| 2015-11-23 | 9590-053-0800 | 3.20 ppb |
| 2015-11-30 | 9590-053-0700 | 3.30 ppb |
| 2015-12-07 | 9590-053-0710 | 2.90 ppb |
| 2015-12-14 | 9590-053-1045 | 3.20 ppb |
| 2015-12-21 | 9590-053-1000 | 3.40 ppb |
| 2015-12-28 | 9590-053-0700 | 4.80 ppb |
| 2016-01-04 | 9590-053-1045 | 3.80 ppb |
| 2016-01-11 | 9590-053-0700 | 3.80 ppb |
| 2016-01-18 | 9590-053-0700 | 3.00 ppb |
| 2016-01-25 | 9590-053-0642 | 4.90 ppb |
| 2016-02-01 | 9590-053-0650 | 1.90 ppb |
| 2016-02-12 | 9590-053-0845 | 3.70 ppb |
| 2016-02-15 | 9590-053-0700 | 5.00 ppb |
| 2016-03-07 | 9590-053-0815 | 3.30 ppb |
| 2016-03-14 | 9590-053-0700 | 4.00 ppb |
| 2016-03-21 | 9590-053-0700 | 3.80 ppb |
| 2016-03-28 | 9590-053-0700 | 3.80 ppb |
| 2016-04-04 | 9590-053-0650 | 3.40 ppb |
| 2016-04-13 | 9590-053-0800 | 3.90 ppb |
| 2016-04-18 | 9590-053-0930 | 4.10 ppb |
| 2016-04-25 | 9590-053-0700 | 3.90 ppb |
| 2016-05-02 | 9590-053-0720 | 5.20 ppb |
| 2016-05-09 | 9590-053-0715 | 3.90 ppb |
| 2016-05-16 | 9590-053-0700 | 5.40 ppb |
| 2016-05-23 | 9590-053-0720 | 4.00 ppb |
| 2016-07-05 | 9590-053-0830 | 2.90 ppb |
| 2016-07-11 | 9590-053-1000 | 3.20 ppb |
| 2016-07-18 | 9590-053-0700 | 3.60 ppb |
| 2016-07-25 | 9590-053-0710 | 3.70 ppb |
| 2016-08-01 | 9590-053-0900 | 3.70 ppb |
| 2016-08-08 | 9590-053-0800 | 3.70 ppb |
| 2016-08-15 | 9590-053-0710 | 3.30 ppb |
| 2016-08-22 | 9590-053-0700 | 3.50 ppb |
| 2016-08-29 | 9590-053-0700 | 3.50 ppb |
| 2016-10-03 | 9590-053-0920 | 4.00 ppb |
| 2016-10-10 | 9590-053-1000 | 3.80 ppb |
| 2016-10-17 | 9590-053-0730 | 4.00 ppb |
| 2016-10-24 | 9590-053-0840 | 3.80 ppb |
| 2016-10-31 | 9590-053-0700 | 3.70 ppb |
| 2016-11-07 | 9590-053-0700 | 3.10 ppb |
| 2016-11-14 | 9590-053-0715 | 3.20 ppb |
| 2016-11-21 | 9590-053-0800 | 4.20 ppb |
| 2016-11-28 | 9590-053-0710 | 3.40 ppb |
| 2017-01-03 | 9590-053-0720 | 2.50 ppb |
| 2017-01-09 | 9590-053-0815 | 2.70 ppb |
| 2017-01-16 | 9590-053-0700 | 3.90 ppb |
| 2017-01-23 | 9590-053-0700 | 2.40 ppb |
| 2017-01-30 | 9590-053-1000 | 2.80 ppb |
| 2017-02-06 | 9588-053-0815 | 2.10 ppb |
| 2017-02-13 | 9588-053-0700 | 3.50 ppb |
| 2017-02-21 | 9588-053-0730 | 2.20 ppb |
| 2017-02-27 | 9588-053-0800 | 2.40 ppb |
| 2017-03-06 | 9588-053-0700 | 2.50 ppb |
| 2017-03-13 | 9588-053-1000 | 2.50 ppb |
| 2017-03-20 | 9588-053-0940 | 2.40 ppb |
| 2017-04-04 | 9588-053-0930 | 4.80 ppb |
| 2017-04-10 | 9588-053-0800 | 1.80 ppb |
| 2017-04-17 | 9588-053-0650 | 1.90 ppb |
| 2017-04-24 | 9588-053-0700 | 1.90 ppb |
| 2017-05-01 | 9588-053-0700 | 2.00 ppb |
| 2017-05-08 | 9588-053-0650 | 1.30 ppb |
| 2017-05-15 | 9588-053-0750 | 2.90 ppb |
| 2017-05-30 | 9588-053-0700 | 2.90 ppb |
| 2017-06-05 | 9588-053-0700 | 2.50 ppb |
| 2017-06-12 | 9588-053-0645 | 2.70 ppb |
| 2017-06-19 | 9588-053-0700 | 2.40 ppb |
| 2017-06-26 | 9588-053-0700 | 2.10 ppb |
| 2017-07-03 | 9588-053-0700 | 2.40 ppb |
| 2017-07-10 | 9588-053-0700 | 1.80 ppb |
| 2017-07-17 | 9588-053-0645 | ND |
| 2017-07-24 | 9588-053-1000 | 1.80 ppb |
| 2017-07-31 | 9588-053-0700 | 2.40 ppb |
| 2017-08-07 | 9588-053-0655 | 2.10 ppb |
| 2017-08-14 | 9588-053-0700 | 2.30 ppb |
| 2017-08-21 | 9588-053-0700 | 1.40 ppb |
| 2017-08-28 | 9588-053-0730 | 2.90 ppb |
| 2017-09-05 | 9588-053-0655 | 3.10 ppb |
| 2017-09-11 | 9588-053-1015 | 3.30 ppb |
| 2017-09-18 | 9588-053-0700 | 2.90 ppb |
| 2017-09-25 | 9588-053-1030 | 2.30 ppb |
| 2017-10-02 | 9588-053-0710 | 2.30 ppb |
| 2017-10-09 | 9588-053-0730 | 3.30 ppb |
| 2017-10-16 | 9588-053-0700 | 2.40 ppb |
| 2017-10-23 | 9588-053-0700 | 3.40 ppb |
| 2017-10-30 | 9588-053-0645 | 2.30 ppb |
| 2017-11-06 | 9588-053-0800 | 2.70 ppb |
| 2017-11-13 | 9588-053-0650 | 2.20 ppb |
| 2017-11-20 | 9588-053-0700 | 3.90 ppb |
| 2017-11-27 | 9588-053-0800 | 2.90 ppb |
| 2017-12-04 | 9588-053-0645 | 3.20 ppb |
| 2017-12-11 | 9588-053-0700 | 2.40 ppb |
| 2017-12-18 | 9588-053-0720 | 1.40 ppb |
| 2017-12-26 | 9588-053-0745 | 2.60 ppb |
| 2018-01-02 | 9588-053-0800 | 3.20 ppb |
| 2018-01-08 | 9588-053-0700 | 3.10 ppb |
| 2018-01-15 | 9588-053-0705 | 3.10 ppb |
| 2018-01-22 | 9588-053-0700 | 3.70 ppb |
| 2018-01-29 | 9588-053-0700 | 3.40 ppb |
| 2018-02-05 | 9588-053-0650 | 3.80 ppb |
| 2018-02-12 | 9588-053-0700 | 3.50 ppb |
| 2018-02-20 | 9588-053-0700 | 3.70 ppb |
| 2018-02-26 | 9588-053-0700 | 3.30 ppb |
| 2018-03-17 | 9588-053-0700 | 3.40 ppb |
| 2018-03-19 | 9588-053-0700 | 1.90 ppb |
| 2018-03-26 | 9588-053-0715 | 1.70 ppb |
| 2018-04-02 | 9588-053-0700 | 3.40 ppb |
| 2018-04-09 | 9588-053-0645 | 3.10 ppb |
| 2018-04-16 | 9588-053-0900 | 3.30 ppb |
| 2018-04-23 | 9588-053-0700 | 3.80 ppb |
| 2018-04-30 | 9588-053-0655 | 3.60 ppb |
| 2018-05-07 | 9588-053-0650 | 2.60 ppb |
| 2018-05-14 | 9588-053-0700 | 3.10 ppb |
| 2018-05-21 | 9588-053-0730 | 3.10 ppb |
| 2018-05-29 | 9588-053-0700 | 3.30 ppb |
| 2018-06-04 | 9588-053-0700 | 3.40 ppb |
| 2018-06-11 | 9588-053-0700 | 3.70 ppb |
| 2018-06-18 | 9588-053-0645 | 3.50 ppb |
| 2018-07-02 | 4790-053-0700 | 2.50 ppb |
| 2018-07-02 | 9588-053-0700 | 2.50 ppb |
| 2018-07-09 | 2706-053-0700 | 2.60 ppb |
| 2018-07-16 | 2706-053-0650 | 2.90 ppb |
| 2018-07-23 | 9588-053-0700 | 2.60 ppb |
| 2018-07-30 | 9588-053-1000 | 2.40 ppb |
| 2018-08-06 | 9588-053-0700 | 2.60 ppb |
| 2018-08-13 | 9588-053-0745 | 3.10 ppb |
| 2018-08-20 | 9588-053-0630 | 3.20 ppb |
| 2018-08-27 | 9588-053-0730 | 3.30 ppb |
| 2018-09-04 | 9588-053-0735 | 3.10 ppb |
| 2018-09-10 | 9588-053-0700 | ND |
| 2018-09-17 | 9588-053-0700 | 2.60 ppb |
| 2018-09-24 | 9588-053-0645 | 2.90 ppb |
| 2018-10-01 | 9588-053-0800 | 2.40 ppb |
| 2018-10-08 | 9588-053-0700 | 2.10 ppb |
| 2018-10-15 | 9588-053-0800 | 2.60 ppb |
| 2018-10-22 | 9588-053-0700 | 1.60 ppb |
| 2018-10-29 | 9588-053-0650 | 2.50 ppb |
| 2018-11-05 | 9588-053-0645 | 2.40 ppb |
| 2018-11-12 | 9588-053-0700 | 3.90 ppb |
| 2018-11-19 | 9588-053-0630 | 3.00 ppb |
| 2018-11-26 | 9588-053-0730 | 2.90 ppb |
| 2018-12-03 | 9588-053-0730 | 2.80 ppb |
| 2018-12-10 | 9588-053-0645 | 2.80 ppb |
| 2018-12-17 | 9588-053-0700 | 2.40 ppb |
| 2018-12-26 | 9588-053-0820 | 3.90 ppb |
| 2018-12-31 | 9588-053-0650 | 3.40 ppb |
| 2019-01-07 | 9588-053-0705 | 2.60 ppb |
| 2019-01-14 | 9588-053-0700 | 3.70 ppb |
| 2019-01-21 | 9588-053-0730 | 3.10 ppb |
| 2019-01-28 | 9588-053-0700 | 2.60 ppb |
| 2019-02-04 | 9588-053-0750 | 3.00 ppb |
| 2019-02-11 | 9588-053-0945 | 2.70 ppb |
| 2019-02-19 | 9588-053-0700 | 2.80 ppb |
| 2019-02-25 | 9588-053-0700 | 2.30 ppb |
| 2019-03-04 | 9588-053-0610 | 2.90 ppb |
| 2019-03-11 | 9588-053-0700 | 2.90 ppb |
| 2019-03-18 | 9588-053-0700 | 1.10 ppb |
| 2019-03-25 | 9588-053-0730 | 3.20 ppb |
| 2019-04-01 | 9588-053-0720 | 3.20 ppb |
| 2019-04-08 | 9588-053-0700 | 1.70 ppb |
| 2019-04-15 | 9588-053-0640 | 1.80 ppb |
| 2019-04-22 | 9588-053-0820 | 1.80 ppb |
| 2019-04-29 | 9588-053-0735 | 3.60 ppb |
| 2019-05-06 | 9588-053-0900 | 2.70 ppb |
| 2019-05-13 | 9588-053-0700 | 4.00 ppb |
| 2019-05-20 | 9588-053-0700 | 2.90 ppb |
| 2019-05-28 | 9588-053-0710 | 2.70 ppb |
| 2019-06-03 | 9588-053-0710 | 2.50 ppb |
| 2019-06-10 | 9588-053-0730 | 2.30 ppb |
| 2019-06-17 | 9588-053-0710 | 2.00 ppb |
| 2019-06-24 | 9588-053-0700 | 2.30 ppb |
| 2019-07-01 | 9588-053-0815 | 2.90 ppb |
| 2019-07-08 | 9588-053-0700 | 2.80 ppb |
| 2019-07-15 | 9588-053-0700 | 2.60 ppb |
| 2019-07-22 | 9588-053-0700 | 2.10 ppb |
| 2019-07-29 | 9588-053-0830 | 2.20 ppb |
| 2019-08-05 | 9588-053-0710 | 2.70 ppb |
| 2019-08-12 | 9588-053-0710 | 2.10 ppb |
| 2019-08-19 | 9588-053-1025 | 2.10 ppb |
| 2019-08-26 | 9588-053-0000 | 2.20 ppb |
| 2019-09-03 | 9588-053-0715 | 3.40 ppb |
| 2019-09-09 | 9588-053-0825 | 2.60 ppb |
| 2019-09-16 | 9588-053-0700 | 2.00 ppb |
| 2019-09-23 | 9588-053-0700 | 2.40 ppb |
| 2019-09-30 | 9588-053-0615 | 3.00 ppb |
| 2019-10-07 | 9588-053-0700 | 3.20 ppb |
| 2019-10-14 | 9588-053-0700 | 3.20 ppb |
| 2019-10-21 | 9588-053-0710 | 2.50 ppb |
| 2019-10-28 | 9588-053-0700 | 3.30 ppb |
| 2019-11-04 | 9588-053-0800 | 2.90 ppb |
| 2019-11-12 | 9588-053-0640 | 3.20 ppb |
| 2019-11-18 | 9588-053-0700 | 2.80 ppb |
| 2019-11-25 | 9588-053-0700 | 3.40 ppb |
| 2019-12-02 | 9588-053-0750 | 2.60 ppb |
| 2019-12-09 | 9588-053-0700 | 3.40 ppb |
| 2019-12-16 | 9588-053-0700 | 3.40 ppb |
| 2019-12-23 | 9588-053-0720 | 3.50 ppb |
| 2019-12-30 | 9588-053-0730 | 2.20 ppb |