Bromoform
Schriever Water Treatment Service Area
Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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 | ND | 64 | 0 | ND |
| 2019 | ND | 64 | 0 | ND |
| 2020 | 0.313 ppb | 32 | 11 | ND - 1.20 ppb |
| 2021 | 0.285 ppb | 34 | 11 | ND - 1.70 ppb |
| 2022 | 0.342 ppb | 34 | 16 | ND - 1.40 ppb |
| 2023 | 0.210 ppb | 32 | 10 | ND - 0.890 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.5 ppb
The EWG Health Guideline of 0.5 ppb for bromoform is 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, harm to reproduction and child development, and change to fetal growth and development .
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-09 | 35379412001 | ND |
| 2018-03-09 | 35379412002 | ND |
| 2018-03-09 | 35379412003 | ND |
| 2018-03-09 | 35379412004 | ND |
| 2018-03-09 | 35379412005 | ND |
| 2018-03-09 | 35379412006 | ND |
| 2018-03-09 | 35379412007 | ND |
| 2018-03-09 | 35379412008 | ND |
| 2018-03-09 | 35379412001 | ND |
| 2018-03-09 | 35379412002 | ND |
| 2018-03-09 | 35379412003 | ND |
| 2018-03-09 | 35379412004 | ND |
| 2018-03-09 | 35379412005 | ND |
| 2018-03-09 | 35379412006 | ND |
| 2018-03-09 | 35379412007 | ND |
| 2018-03-09 | 35379412008 | ND |
| 2018-06-05 | 35396534001 | ND |
| 2018-06-05 | 35396534002 | ND |
| 2018-06-05 | 35396534003 | ND |
| 2018-06-05 | 35396534004 | ND |
| 2018-06-05 | 35396534005 | ND |
| 2018-06-05 | 35396534006 | ND |
| 2018-06-05 | 35396534007 | ND |
| 2018-06-05 | 35396534008 | ND |
| 2018-06-05 | 35396534001 | ND |
| 2018-06-05 | 35396534002 | ND |
| 2018-06-05 | 35396534003 | ND |
| 2018-06-05 | 35396534004 | ND |
| 2018-06-05 | 35396534005 | ND |
| 2018-06-05 | 35396534006 | ND |
| 2018-06-05 | 35396534007 | ND |
| 2018-06-05 | 35396534008 | ND |
| 2018-09-19 | 35419185001 | ND |
| 2018-09-19 | 35419185002 | ND |
| 2018-09-19 | 35419185003 | ND |
| 2018-09-19 | 35419185004 | ND |
| 2018-09-19 | 35419185005 | ND |
| 2018-09-19 | 35419185006 | ND |
| 2018-09-19 | 35419185007 | ND |
| 2018-09-19 | 35419185008 | ND |
| 2018-09-19 | 35419185001 | ND |
| 2018-09-19 | 35419185002 | ND |
| 2018-09-19 | 35419185003 | ND |
| 2018-09-19 | 35419185004 | ND |
| 2018-09-19 | 35419185005 | ND |
| 2018-09-19 | 35419185006 | ND |
| 2018-09-19 | 35419185007 | ND |
| 2018-09-19 | 35419185008 | ND |
| 2018-12-04 | 35435069001 | ND |
| 2018-12-04 | 35435069002 | ND |
| 2018-12-04 | 35435069003 | ND |
| 2018-12-04 | 35435069004 | ND |
| 2018-12-04 | 35435069005 | ND |
| 2018-12-04 | 35435069006 | ND |
| 2018-12-04 | 35435069007 | ND |
| 2018-12-04 | 35435069008 | ND |
| 2018-12-04 | 35435069001 | ND |
| 2018-12-04 | 35435069002 | ND |
| 2018-12-04 | 35435069003 | ND |
| 2018-12-04 | 35435069004 | ND |
| 2018-12-04 | 35435069005 | ND |
| 2018-12-04 | 35435069006 | ND |
| 2018-12-04 | 35435069007 | ND |
| 2018-12-04 | 35435069008 | ND |
| 2019-03-12 | 35454240001 | ND |
| 2019-03-12 | 35454240002 | ND |
| 2019-03-12 | 35454240003 | ND |
| 2019-03-12 | 35454240004 | ND |
| 2019-03-12 | 35454240005 | ND |
| 2019-03-12 | 35454240006 | ND |
| 2019-03-12 | 35454240007 | ND |
| 2019-03-12 | 35454240008 | ND |
| 2019-03-12 | 35454240001 | ND |
| 2019-03-12 | 35454240002 | ND |
| 2019-03-12 | 35454240003 | ND |
| 2019-03-12 | 35454240004 | ND |
| 2019-03-12 | 35454240005 | ND |
| 2019-03-12 | 35454240006 | ND |
| 2019-03-12 | 35454240007 | ND |
| 2019-03-12 | 35454240008 | ND |
| 2019-06-10 | 35474484001 | ND |
| 2019-06-10 | 35474484002 | ND |
| 2019-06-10 | 35474484003 | ND |
| 2019-06-10 | 35474484004 | ND |
| 2019-06-10 | 35474484005 | ND |
| 2019-06-10 | 35474484006 | ND |
| 2019-06-10 | 35474484007 | ND |
| 2019-06-10 | 35474484008 | ND |
| 2019-06-10 | 35474484001 | ND |
| 2019-06-10 | 35474484002 | ND |
| 2019-06-10 | 35474484003 | ND |
| 2019-06-10 | 35474484004 | ND |
| 2019-06-10 | 35474484005 | ND |
| 2019-06-10 | 35474484006 | ND |
| 2019-06-10 | 35474484007 | ND |
| 2019-06-10 | 35474484008 | ND |
| 2019-09-10 | 35496772001 | ND |
| 2019-09-10 | 35496772002 | ND |
| 2019-09-10 | 35496772003 | ND |
| 2019-09-10 | 35496772004 | ND |
| 2019-09-10 | 35496772005 | ND |
| 2019-09-10 | 35496772006 | ND |
| 2019-09-10 | 35496772007 | ND |
| 2019-09-10 | 35496772008 | ND |
| 2019-09-10 | 35496772001 | ND |
| 2019-09-10 | 35496772002 | ND |
| 2019-09-10 | 35496772003 | ND |
| 2019-09-10 | 35496772004 | ND |
| 2019-09-10 | 35496772005 | ND |
| 2019-09-10 | 35496772006 | ND |
| 2019-09-10 | 35496772007 | ND |
| 2019-09-10 | 35496772008 | ND |
| 2019-12-11 | 35518241001 | ND |
| 2019-12-11 | 35518241002 | ND |
| 2019-12-11 | 35518241003 | ND |
| 2019-12-11 | 35518241004 | ND |
| 2019-12-11 | 35518241005 | ND |
| 2019-12-11 | 35518241006 | ND |
| 2019-12-11 | 35518241007 | ND |
| 2019-12-11 | 35518241008 | ND |
| 2019-12-11 | 35518241001 | ND |
| 2019-12-11 | 35518241002 | ND |
| 2019-12-11 | 35518241003 | ND |
| 2019-12-11 | 35518241004 | ND |
| 2019-12-11 | 35518241005 | ND |
| 2019-12-11 | 35518241006 | ND |
| 2019-12-11 | 35518241007 | ND |
| 2019-12-11 | 35518241008 | ND |
| 2020-03-12 | 35537425001 | ND |
| 2020-03-12 | 35537425002 | ND |
| 2020-03-12 | 35537425003 | ND |
| 2020-03-12 | 35537425004 | ND |
| 2020-03-12 | 35537425005 | ND |
| 2020-03-12 | 35537425006 | ND |
| 2020-03-12 | 35537425007 | ND |
| 2020-03-12 | 35537425008 | ND |
| 2020-06-12 | 35556393001 | ND |
| 2020-06-12 | 35556393002 | ND |
| 2020-06-12 | 35556393003 | ND |
| 2020-06-12 | 35556393004 | ND |
| 2020-06-12 | 35556393005 | ND |
| 2020-06-12 | 35556393006 | ND |
| 2020-06-12 | 35556393007 | ND |
| 2020-06-12 | 35556393008 | ND |
| 2020-09-17 | 35578893001 | 0.710 ppb |
| 2020-09-17 | 35578893002 | 1.10 ppb |
| 2020-09-17 | 35578893003 | 1.10 ppb |
| 2020-09-17 | 35578893004 | 1.20 ppb |
| 2020-09-17 | 35578893005 | 1.10 ppb |
| 2020-09-17 | 35578893006 | 1.10 ppb |
| 2020-09-17 | 35578893007 | 1.20 ppb |
| 2020-09-17 | 35578893008 | 1.20 ppb |
| 2020-12-17 | 35600000001 | ND |
| 2020-12-17 | 35600000002 | ND |
| 2020-12-17 | 35600000003 | ND |
| 2020-12-17 | 35600000004 | ND |
| 2020-12-17 | 35600000005 | 0.360 ppb |
| 2020-12-17 | 35600000006 | 0.580 ppb |
| 2020-12-17 | 35600000007 | 0.380 ppb |
| 2020-12-17 | 35600000008 | ND |
| 2021-03-05 | 35617074001 | 1.10 ppb |
| 2021-03-05 | 35617074002 | ND |
| 2021-03-05 | 35617074003 | ND |
| 2021-03-05 | 35617074004 | ND |
| 2021-03-05 | 35617074005 | ND |
| 2021-03-05 | 35617074006 | ND |
| 2021-03-05 | 35617074007 | ND |
| 2021-03-05 | 35617074008 | ND |
| 2021-06-10 | 35640075001 | ND |
| 2021-06-10 | 35640075002 | ND |
| 2021-06-10 | 35640075003 | ND |
| 2021-06-10 | 35640075004 | ND |
| 2021-06-10 | 35640075005 | ND |
| 2021-06-10 | 35640075006 | ND |
| 2021-06-10 | 35640075007 | ND |
| 2021-06-10 | 35640075008 | ND |
| 2021-09-16 | 35664177001 | ND |
| 2021-09-16 | 35664177002 | ND |
| 2021-09-16 | 35664177003 | ND |
| 2021-09-16 | 35664177004 | ND |
| 2021-09-30 | 35669021001 | 0.520 ppb |
| 2021-10-29 | 35675828001 | 0.590 ppb |
| 2021-10-29 | 35675828002 | 0.760 ppb |
| 2021-10-29 | 35675828003 | 0.590 ppb |
| 2021-10-29 | 35675828004 | 0.800 ppb |
| 2021-10-29 | 35675828005 | 0.560 ppb |
| 2021-12-02 | 35681497001 | ND |
| 2021-12-02 | 35681497002 | ND |
| 2021-12-02 | 35681497003 | ND |
| 2021-12-02 | 35681497004 | 1.20 ppb |
| 2021-12-02 | 35681497005 | 1.40 ppb |
| 2021-12-02 | 35681497006 | 1.70 ppb |
| 2021-12-02 | 35681497007 | 0.480 ppb |
| 2021-12-02 | 35681497008 | ND |
| 2022-03-11 | 35703403001 | ND |
| 2022-03-11 | 35703403002 | ND |
| 2022-03-11 | 35703403003 | ND |
| 2022-03-11 | 35703403004 | ND |
| 2022-03-11 | 35703403005 | ND |
| 2022-03-11 | 35703403006 | ND |
| 2022-03-11 | 35703403007 | ND |
| 2022-03-11 | 35703403008 | ND |
| 2022-03-17 | 35704970001 | ND |
| 2022-03-17 | 35704970002 | ND |
| 2022-06-15 | 35727612001 | ND |
| 2022-06-15 | 35727612002 | ND |
| 2022-06-15 | 35727612003 | ND |
| 2022-06-15 | 35727612004 | 0.490 ppb |
| 2022-06-15 | 35727612005 | 0.580 ppb |
| 2022-06-15 | 35727612006 | 0.450 ppb |
| 2022-06-15 | 35727612007 | ND |
| 2022-06-15 | 35727612008 | ND |
| 2022-09-08 | 35745433001 | ND |
| 2022-09-08 | 35745433002 | ND |
| 2022-09-08 | 35745433003 | ND |
| 2022-09-08 | 35745433004 | 0.550 ppb |
| 2022-09-08 | 35745433005 | 0.440 ppb |
| 2022-09-08 | 35745433006 | 0.560 ppb |
| 2022-09-08 | 35745433007 | 0.500 ppb |
| 2022-09-08 | 35745433008 | 0.500 ppb |
| 2022-12-08 | 35765453001 | 0.410 ppb |
| 2022-12-08 | 35765453002 | 0.490 ppb |
| 2022-12-08 | 35765453003 | 0.560 ppb |
| 2022-12-08 | 35765453004 | 1.30 ppb |
| 2022-12-08 | 35765453005 | 1.40 ppb |
| 2022-12-08 | 35765453006 | 1.40 ppb |
| 2022-12-08 | 35765453007 | 1.40 ppb |
| 2022-12-08 | 35765453008 | 0.590 ppb |
| 2023-03-02 | 35783375001 | ND |
| 2023-03-02 | 35783375002 | ND |
| 2023-03-02 | 35783375003 | ND |
| 2023-03-02 | 35783375004 | ND |
| 2023-03-02 | 35783375005 | ND |
| 2023-03-02 | 35783375006 | ND |
| 2023-03-02 | 35783375007 | ND |
| 2023-03-02 | 35783375008 | ND |
| 2023-06-14 | 35806771001 | ND |
| 2023-06-14 | 35806771002 | ND |
| 2023-06-14 | 35806771003 | ND |
| 2023-06-14 | 35806771004 | ND |
| 2023-06-14 | 35806771005 | ND |
| 2023-06-14 | 35806771006 | ND |
| 2023-06-14 | 35806771007 | ND |
| 2023-06-14 | 35806771008 | ND |
| 2023-09-12 | 35827662001 | 0.480 ppb |
| 2023-09-12 | 35827662002 | 0.710 ppb |
| 2023-09-12 | 35827662003 | 0.600 ppb |
| 2023-09-12 | 35827662004 | 0.760 ppb |
| 2023-09-12 | 35827662005 | 0.820 ppb |
| 2023-09-12 | 35827662006 | 0.780 ppb |
| 2023-09-12 | 35827662007 | 0.890 ppb |
| 2023-09-12 | 35827662008 | 0.640 ppb |
| 2023-12-15 | 35849368001 | ND |
| 2023-12-15 | 35849368002 | ND |
| 2023-12-15 | 35849368003 | ND |
| 2023-12-15 | 35849368004 | 0.520 ppb |
| 2023-12-15 | 35849368005 | 0.530 ppb |
| 2023-12-15 | 35849368006 | ND |
| 2023-12-15 | 35849368007 | ND |
| 2023-12-15 | 35849368008 | ND |