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.
69
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 |
|---|---|---|---|---|
| 2018 | 32.4 ppb | 5 | 5 | 15.0 ppb - 45.0 ppb |
| 2019 | 30.8 ppb | 12 | 12 | 14.0 ppb - 39.0 ppb |
| 2020 | 31.9 ppb | 12 | 12 | 23.0 ppb - 46.0 ppb |
| 2021 | 21.8 ppb | 13 | 10 | ND - 37.2 ppb |
| 2022 | 29.9 ppb | 15 | 13 | ND - 46.6 ppb |
| 2023 | 26.8 ppb | 12 | 12 | 17.0 ppb - 34.4 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 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 |
| 2020-01-06 | TOC 200561541 | 31.0 ppb |
| 2020-02-03 | TOC 200564469 | 30.0 ppb |
| 2020-03-02 | TOC 200567647 | 26.0 ppb |
| 2020-04-07 | TOC 200571564 | 23.0 ppb |
| 2020-05-05 | DBP 200574519 | 25.0 ppb |
| 2020-06-02 | TOC 200577580 | 32.0 ppb |
| 2020-07-07 | TOC 200581391 | 32.0 ppb |
| 2020-08-04 | TOC 200584913 | 39.0 ppb |
| 2020-09-01 | TOC 200588253 | 46.0 ppb |
| 2020-10-06 | TOC 200592559 | 43.0 ppb |
| 2020-11-03 | TOC 200596643 | 30.0 ppb |
| 2020-12-01 | TOC 200599367 | 26.0 ppb |
| 2021-01-05 | TOC 200602428 | 24.0 ppb |
| 2021-02-02 | TOC 200605163 | 26.0 ppb |
| 2021-03-02 | TOC 200608306 | 32.0 ppb |
| 2021-04-06 | TOC 200611934 | 34.0 ppb |
| 2021-05-04 | TOC 200615345 | 24.0 ppb |
| 2021-06-01 | TOC 200618709 | 24.0 ppb |
| 2021-07-07 | TOC 200623211 | 23.0 ppb |
| 2021-10-18 | O300082886 300082887 | ND |
| 2021-10-18 | O300082882 300082883 | 37.2 ppb |
| 2021-11-01 | O300091732 300091733 | ND |
| 2021-11-01 | O300091728 300091729 | 23.2 ppb |
| 2021-12-01 | O300109971 300109972 | ND |
| 2021-12-01 | O300109967 300109968 | 35.5 ppb |
| 2022-01-06 | O300128605 300128606 | ND |
| 2022-01-06 | O300128601 300128602 | 36.3 ppb |
| 2022-02-02 | O300152370 300152373 | ND |
| 2022-02-02 | O300152375 300152377 | 45.6 ppb |
| 2022-03-01 | O300151283 300151284 | 9.70 ppb |
| 2022-03-01 | O300151278 300151279 | 38.8 ppb |
| 2022-04-04 | O300165192 300165196 | 32.4 ppb |
| 2022-05-03 | O300177541 300177545 | 30.3 ppb |
| 2022-06-01 | O300191286 300191290 | 36.9 ppb |
| 2022-07-06 | O300207935 300207939 | 37.1 ppb |
| 2022-08-03 | O300223821 300223825 | 43.5 ppb |
| 2022-09-06 | O300238789 300238793 | 46.6 ppb |
| 2022-10-03 | O300252715 300252719 | 31.8 ppb |
| 2022-11-03 | O300266989 300266993 | 28.7 ppb |
| 2022-12-05 | O300280224 300280228 | 30.2 ppb |
| 2023-01-04 | O300292371 300292375 | 31.5 ppb |
| 2023-02-01 | O300303447 300303451 | 17.0 ppb |
| 2023-03-01 | O300314988 300314992 | 34.4 ppb |
| 2023-04-03 | O300327024 300327028 | 27.3 ppb |
| 2023-05-01 | O300341322 300341326 | 18.5 ppb |
| 2023-06-01 | O300357005 300357009 | 25.0 ppb |
| 2023-07-10 | O300378214 300378218 | 31.4 ppb |
| 2023-08-01 | O300389628 300389632 | 33.9 ppb |
| 2023-09-06 | O300410229 300410233 | 33.1 ppb |
| 2023-10-03 | O300423852 300423856 | 19.6 ppb |
| 2023-11-01 | O300438938 300438942 | 24.6 ppb |
| 2023-12-06 | O300455298 300455302 | 25.6 ppb |