Bromodichloromethane
Heber Public Utility District
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 14.2 ppb | 24 | 24 | 6.90 ppb - 22.1 ppb |
| 2019 | 13.5 ppb | 24 | 24 | 8.30 ppb - 19.1 ppb |
| 2020 | 15.2 ppb | 24 | 24 | 11.7 ppb - 20.1 ppb |
| 2021 | 13.8 ppb | 24 | 24 | 10.2 ppb - 19.0 ppb |
| 2022 | 15.6 ppb | 24 | 22 | ND - 25.5 ppb |
| 2023 | 17.7 ppb | 24 | 24 | 12.1 ppb - 27.9 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-08 | CA1310007_DST_901-201801080950 | 11.5 ppb |
| 2018-01-08 | CA1310007_DST_900-201801080900 | 12.9 ppb |
| 2018-02-05 | CA1310007_DST_901-201802050955 | 10.7 ppb |
| 2018-02-05 | CA1310007_DST_900-20180205NUL | 11.7 ppb |
| 2018-03-05 | CA1310007_DST_900-20180305NUL | 14.8 ppb |
| 2018-03-05 | CA1310007_DST_901-20180305NUL | 15.2 ppb |
| 2018-04-09 | CA1310007_DST_901-201804091220 | 12.3 ppb |
| 2018-04-09 | CA1310007_DST_900-201804091045 | 13.2 ppb |
| 2018-05-08 | CA1310007_DST_900-20180508NUL | 15.8 ppb |
| 2018-05-08 | CA1310007_DST_901-20180508NUL | 15.7 ppb |
| 2018-06-05 | CA1310007_DST_900-201806051030 | 17.5 ppb |
| 2018-06-05 | CA1310007_DST_901-201806051050 | 16.3 ppb |
| 2018-06-26 | CA1310007_DST_900-20180626NUL | 17.6 ppb |
| 2018-06-26 | CA1310007_DST_901-20180626NUL | 17.5 ppb |
| 2018-07-17 | CA1310007_DST_901-20180717NUL | 20.2 ppb |
| 2018-07-17 | CA1310007_DST_900-20180717NUL | 22.1 ppb |
| 2018-08-13 | CA1310007_DST_900-201808131000 | 6.90 ppb |
| 2018-08-13 | CA1310007_DST_901-20180813NUL | 11.9 ppb |
| 2018-10-09 | CA1310007_DST_900-201810091045 | 17.1 ppb |
| 2018-10-09 | CA1310007_DST_901-201810091230 | 13.0 ppb |
| 2018-11-07 | CA1310007_DST_900-201811071000 | 12.3 ppb |
| 2018-11-07 | CA1310007_DST_901-201811071040 | 11.5 ppb |
| 2018-12-04 | CA1310007_DST_900-201812040920 | 12.7 ppb |
| 2018-12-04 | CA1310007_DST_901-201812040940 | 10.00 ppb |
| 2019-01-07 | CA1310007_DST_901-201901071125 | 8.30 ppb |
| 2019-01-07 | CA1310007_DST_900-201901071110 | 11.1 ppb |
| 2019-02-04 | CA1310007_DST_900-201902040955 | 13.2 ppb |
| 2019-02-04 | CA1310007_DST_901-201902041010 | 11.4 ppb |
| 2019-03-11 | CA1310007_DST_900-201903111000 | 13.1 ppb |
| 2019-03-11 | CA1310007_DST_901-201903111015 | 11.5 ppb |
| 2019-04-08 | CA1310007_DST_900-201904081030 | 14.8 ppb |
| 2019-04-08 | CA1310007_DST_901-201904081125 | 11.6 ppb |
| 2019-05-06 | CA1310007_DST_900-20190506NUL | 14.4 ppb |
| 2019-05-06 | CA1310007_DST_901-20190506NUL | 12.7 ppb |
| 2019-06-11 | CA1310007_DST_901-20190611NUL | 10.6 ppb |
| 2019-06-11 | CA1310007_DST_900-20190611NUL | 12.4 ppb |
| 2019-07-09 | CA1310007_DST_901-201907091055 | 14.8 ppb |
| 2019-07-09 | CA1310007_DST_900-201907091000 | 15.0 ppb |
| 2019-08-13 | CA1310007_DST_901-201908130900 | 14.8 ppb |
| 2019-08-13 | CA1310007_DST_900-201908131200 | 16.3 ppb |
| 2019-09-09 | CA1310007_DST_900-20190909NUL | 13.6 ppb |
| 2019-09-11 | CA1310007_DST_901-201909111010 | 10.7 ppb |
| 2019-10-15 | CA1310007_DST_900-201910151155 | 14.4 ppb |
| 2019-10-15 | CA1310007_DST_901-201910151230 | 13.6 ppb |
| 2019-11-05 | CA1310007_DST_900-201911051210 | 19.1 ppb |
| 2019-11-05 | CA1310007_DST_901-201911051230 | 16.1 ppb |
| 2019-12-10 | CA1310007_DST_900-20191210NUL | 17.1 ppb |
| 2019-12-10 | CA1310007_DST_901-20191210NUL | 14.1 ppb |
| 2020-01-24 | CA1310007_DST_900-202001241040 | 15.3 ppb |
| 2020-01-24 | CA1310007_DST_901-202001241100 | 13.4 ppb |
| 2020-02-12 | CA1310007_DST_900-20200212NUL | 16.4 ppb |
| 2020-02-12 | CA1310007_DST_901-20200212NUL | 11.7 ppb |
| 2020-03-17 | CA1310007_DST_900-202003171025 | 14.7 ppb |
| 2020-03-19 | CA1310007_DST_901-202003191040 | 13.0 ppb |
| 2020-04-13 | CA1310007_DST_901-202004131345 | 11.8 ppb |
| 2020-04-13 | CA1310007_DST_900-202004131300 | 15.0 ppb |
| 2020-05-12 | CA1310007_DST_900-202005121230 | 20.1 ppb |
| 2020-05-12 | CA1310007_DST_901-20200512NUL | 16.2 ppb |
| 2020-06-08 | CA1310007_DST_900-20200608NUL | 16.3 ppb |
| 2020-06-08 | CA1310007_DST_901-20200608NUL | 14.8 ppb |
| 2020-07-07 | CA1310007_DST_901-202007071110 | 12.6 ppb |
| 2020-07-07 | CA1310007_DST_900-202007071030 | 13.2 ppb |
| 2020-08-06 | CA1310007_DST_900-202008061025 | 15.2 ppb |
| 2020-08-06 | CA1310007_DST_901-202008061045 | 14.6 ppb |
| 2020-09-22 | CA1310007_DST_901-202009221135 | 17.0 ppb |
| 2020-09-22 | CA1310007_DST_900-202009221115 | 19.0 ppb |
| 2020-10-13 | CA1310007_DST_901-202010131325 | 17.1 ppb |
| 2020-10-13 | CA1310007_DST_900-202010131235 | 17.6 ppb |
| 2020-11-10 | CA1310007_DST_900-202011101130 | 17.4 ppb |
| 2020-11-10 | CA1310007_DST_901-202011101145 | 11.9 ppb |
| 2020-12-16 | CA1310007_DST_900-202012161221 | 17.8 ppb |
| 2020-12-16 | CA1310007_DST_901-20201216NUL | 13.4 ppb |
| 2021-01-11 | CA1310007_DST_900-202101111125 | 13.2 ppb |
| 2021-01-11 | CA1310007_DST_901-202101111211 | 11.7 ppb |
| 2021-02-09 | CA1310007_DST_901-202102091015 | 13.7 ppb |
| 2021-02-09 | CA1310007_DST_900-202102090840 | 19.0 ppb |
| 2021-03-04 | CA1310007_DST_900-202103041111 | 15.8 ppb |
| 2021-03-04 | CA1310007_DST_901-202103041145 | 12.4 ppb |
| 2021-04-14 | CA1310007_DST_900-202104141125 | 16.8 ppb |
| 2021-04-14 | CA1310007_DST_901-202104141200 | 15.5 ppb |
| 2021-05-12 | CA1310007_DST_900-202105121120 | 12.4 ppb |
| 2021-05-12 | CA1310007_DST_901-202105121150 | 13.1 ppb |
| 2021-06-10 | CA1310007_DST_900-202106101030 | 13.8 ppb |
| 2021-06-10 | CA1310007_DST_901-202106101055 | 11.9 ppb |
| 2021-07-14 | CA1310007_DST_901-202107141035 | 11.8 ppb |
| 2021-07-14 | CA1310007_DST_900-202107140950 | 14.7 ppb |
| 2021-08-12 | CA1310007_DST_901-202108121335 | 12.2 ppb |
| 2021-08-12 | CA1310007_DST_900-202108121310 | 16.7 ppb |
| 2021-09-15 | CA1310007_DST_900-202109151200 | 13.5 ppb |
| 2021-09-15 | CA1310007_DST_901-202109151230 | 11.1 ppb |
| 2021-10-13 | CA1310007_DST_900-202110131115 | 14.6 ppb |
| 2021-10-13 | CA1310007_DST_901-202110131220 | 10.2 ppb |
| 2021-11-17 | CA1310007_DST_901-202111171055 | 12.4 ppb |
| 2021-11-17 | CA1310007_DST_900-202111170930 | 16.2 ppb |
| 2021-12-22 | CA1310007_DST_901-202112221050 | 13.5 ppb |
| 2021-12-22 | CA1310007_DST_900-202112221120 | 16.1 ppb |
| 2022-01-20 | CA1310007_DST_901-202201201200 | 15.7 ppb |
| 2022-01-20 | CA1310007_DST_900-202201201130 | 18.3 ppb |
| 2022-02-16 | CA1310007_DST_900-202202161045 | 15.9 ppb |
| 2022-02-16 | CA1310007_DST_901-202202161130 | 13.0 ppb |
| 2022-03-17 | CA1310007_DST_901-202203171210 | 14.7 ppb |
| 2022-03-17 | CA1310007_DST_900-202203171130 | 18.8 ppb |
| 2022-04-21 | CA1310007_DST_901-202204211150 | 19.0 ppb |
| 2022-04-21 | CA1310007_DST_900-202204211120 | 25.5 ppb |
| 2022-05-19 | CA1310007_DST_901-202205191125 | 15.6 ppb |
| 2022-05-19 | CA1310007_DST_900-202205191100 | 15.7 ppb |
| 2022-06-22 | CA1310007_DST_900-202206221040 | 17.7 ppb |
| 2022-06-22 | CA1310007_DST_901-202206221110 | 16.8 ppb |
| 2022-07-27 | CA1310007_DST_901-202207271030 | 17.7 ppb |
| 2022-07-27 | CA1310007_DST_900-202207270950 | 19.3 ppb |
| 2022-08-18 | CA1310007_DST_901-202208181010 | 16.5 ppb |
| 2022-08-18 | CA1310007_DST_900-202208180935 | 17.5 ppb |
| 2022-09-29 | CA1310007_DST_901-202209291105 | 16.2 ppb |
| 2022-09-29 | CA1310007_DST_900-202209291040 | 17.1 ppb |
| 2022-10-21 | CA1310007_DST_900-202210211230 | 19.8 ppb |
| 2022-10-21 | CA1310007_DST_901-202210211300 | 12.5 ppb |
| 2022-11-17 | CA1310007_DST_901-202211171155 | 13.8 ppb |
| 2022-11-17 | CA1310007_DST_900-202211171115 | 16.1 ppb |
| 2022-12-15 | CA1310007_DST_900-202212151215 | ND |
| 2022-12-15 | CA1310007_DST_901-202212151240 | ND |
| 2023-01-25 | CA1310007_DST_900-202301251030 | 12.8 ppb |
| 2023-01-25 | CA1310007_DST_901-202301251110 | 12.1 ppb |
| 2023-02-16 | CA1310007_DST_900-202302161100 | 19.3 ppb |
| 2023-02-16 | CA1310007_DST_901-202302161230 | 13.3 ppb |
| 2023-03-16 | CA1310007_DST_901-202303161300 | 14.2 ppb |
| 2023-03-16 | CA1310007_DST_900-202303161230 | 17.9 ppb |
| 2023-04-20 | CA1310007_DST_900-202304201345 | 24.1 ppb |
| 2023-04-20 | CA1310007_DST_901-202304201420 | 20.5 ppb |
| 2023-05-10 | CA1310007_DST_901-202305101110 | 16.5 ppb |
| 2023-05-10 | CA1310007_DST_900-202305101050 | 18.9 ppb |
| 2023-06-15 | CA1310007_DST_900-202306151130 | 19.9 ppb |
| 2023-06-15 | CA1310007_DST_901-202306151155 | 16.6 ppb |
| 2023-07-26 | CA1310007_DST_900-202307260925 | 18.2 ppb |
| 2023-07-26 | CA1310007_DST_901-202307261000 | 15.7 ppb |
| 2023-08-22 | CA1310007_DST_900-202308221053 | 27.9 ppb |
| 2023-08-22 | CA1310007_DST_901-202308221110 | 14.8 ppb |
| 2023-09-20 | CA1310007_DST_900-202309201220 | 20.8 ppb |
| 2023-09-20 | CA1310007_DST_901-202309201245 | 16.8 ppb |
| 2023-10-18 | CA1310007_DST_900-202310181020 | 21.8 ppb |
| 2023-10-18 | CA1310007_DST_901-202310181050 | 18.0 ppb |
| 2023-11-15 | CA1310007_DST_901-202311151030 | 16.1 ppb |
| 2023-11-15 | CA1310007_DST_900-202311151110 | 17.3 ppb |
| 2023-12-14 | CA1310007_DST_901-202312141130 | 15.0 ppb |
| 2023-12-14 | CA1310007_DST_900-202312141105 | 15.8 ppb |