Bromide
Regional Water Authority
Bromide is a naturally occurring element found in surface waters and groundwater. During drinking water treatment, bromide can combine with chlorine or other disinfectants, contributing to the formation of toxic tap water disinfection byproducts.
48
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 33.8 ppb | 13 | 13 | 16.0 ppb - 55.0 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 35.0 ppb | 12 | 12 | 27.0 ppb - 44.0 ppb |
| 2017 | 30.7 ppb | 6 | 6 | 20.0 ppb - 42.0 ppb |
| 2018 | 32.4 ppb | 5 | 5 | 15.0 ppb - 45.0 ppb |
| 2019 | 30.8 ppb | 12 | 12 | 14.0 ppb - 39.0 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-15 | DPB 200389453 | 28.0 ppb |
| 2014-02-04 | DBP 200390408 | 32.0 ppb |
| 2014-03-04 | DPB 200391994 | 55.0 ppb |
| 2014-03-04 | 200391994 | 55.0 ppb |
| 2014-04-01 | DPB 200393369 | 16.0 ppb |
| 2014-05-06 | DBP 200395292 | 26.0 ppb |
| 2014-06-03 | DBP 200397007 | 29.0 ppb |
| 2014-07-07 | DBP 200399025 | 29.0 ppb |
| 2014-08-08 | DPB 200401445 | 35.0 ppb |
| 2014-09-02 | DPB 200403295 | 39.0 ppb |
| 2014-10-14 | DPB 200406042 | 43.0 ppb |
| 2014-11-04 | DBP 200407287 | 33.0 ppb |
| 2014-12-03 | DBP 200408848 | 20.0 ppb |
| 2016-01-07 | DBP 200431543 | 29.0 ppb |
| 2016-02-02 | DBP 200432904 | 34.0 ppb |
| 2016-03-03 | DBP 200434712 | 27.0 ppb |
| 2016-04-05 | DBP 200436453 | 30.0 ppb |
| 2016-05-03 | DBP 200438532 | 31.0 ppb |
| 2016-06-02 | DBP 200441243 | 31.0 ppb |
| 2016-07-06 | DBP 200443786 | 34.0 ppb |
| 2016-08-03 | DBP 200446203 | 44.0 ppb |
| 2016-09-07 | DBP 200449146 | 39.0 ppb |
| 2016-10-04 | DBP 200451492 | 41.0 ppb |
| 2016-11-01 | DBP 200453584 | 44.0 ppb |
| 2016-12-07 | DBP 200456387 | 36.0 ppb |
| 2017-01-04 | DBP 200457959 | 31.0 ppb |
| 2017-03-30 | DBP 200463435 | 29.0 ppb |
| 2017-04-04 | DBP 200463662 | 20.0 ppb |
| 2017-05-02 | DBP 200465724 | 42.0 ppb |
| 2017-06-07 | DBP 200468665 | 30.0 ppb |
| 2017-07-05 | DBP 200471067 | 32.0 ppb |
| 2018-08-17 | DBP 200502736 | 36.0 ppb |
| 2018-09-04 | DBP 200503765 | 45.0 ppb |
| 2018-10-01 | DBP 200507183 | 15.0 ppb |
| 2018-11-05 | DBP 200511248 | 40.0 ppb |
| 2018-12-03 | DBP 200514364 | 26.0 ppb |
| 2019-01-02 | DBP 200517166 | 27.0 ppb |
| 2019-02-04 | DBP 200520182 | 31.0 ppb |
| 2019-03-04 | DBP 200523182 | 35.0 ppb |
| 2019-04-01 | DBP 200526355 | 29.0 ppb |
| 2019-05-02 | DBP 200530376 | 24.0 ppb |
| 2019-06-03 | DBP 200534443 | 32.0 ppb |
| 2019-07-01 | DBP 200538406 | 32.0 ppb |
| 2019-08-08 | DBP 200543881 | 36.0 ppb |
| 2019-09-04 | DBP 200547182 | 39.0 ppb |
| 2019-10-01 | DBP 200550742 | 38.0 ppb |
| 2019-11-29 | TOC 200558322 | 32.0 ppb |
| 2019-12-16 | TOC 200560324 | 14.0 ppb |