Know Your Environment. Protect Your Health.

Bromodichloromethane

City of Sansom Park

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.

 

88

Samples

0

Samples exceeding legal limit (MCL)

71

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.23 ppb1412ND - 9.59 ppb
20195.30 ppb1412ND - 12.0 ppb
20203.06 ppb149ND - 10.2 ppb
20212.84 ppb1613ND - 13.9 ppb
20225.24 ppb1613ND - 21.6 ppb
20235.69 ppb1412ND - 19.9 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
2018-02-07Q1805498002ND
2018-02-07Q18054980016.93 ppb
2018-03-28Q18128460021.15 ppb
2018-03-28Q1812846004ND
2018-03-28Q18128460058.07 ppb
2018-03-28Q18128460077.84 ppb
2018-03-28Q18128460093.32 ppb
2018-05-22Q18207290019.59 ppb
2018-05-22Q18207290021.07 ppb
2018-09-12Q18365390022.07 ppb
2018-09-12Q18365390011.33 ppb
2018-10-25Q18427220028.84 ppb
2018-11-08Q18447800017.41 ppb
2018-11-08Q18447800021.61 ppb
2019-02-06Q190549600111.5 ppb
2019-02-06Q19054960027.00 ppb
2019-05-02Q19181460266.30 ppb
2019-05-02Q19181460245.98 ppb
2019-05-02Q19181460227.04 ppb
2019-05-02Q1918146020ND
2019-05-02Q19181460173.82 ppb
2019-05-02Q191814601612.0 ppb
2019-05-02Q19181460021.38 ppb
2019-05-02Q19181460182.05 ppb
2019-09-13Q19652770015.59 ppb
2019-09-13Q19652770021.08 ppb
2019-11-18Q197712500110.4 ppb
2019-11-18Q1977125002ND
2020-01-21Q2002279035ND
2020-01-21Q20022790341.60 ppb
2020-01-21Q20022790151.99 ppb
2020-01-21Q20022790135.51 ppb
2020-01-21Q2002279011ND
2020-01-21Q20022790091.66 ppb
2020-05-21Q20204440012.00 ppb
2020-05-21Q2020444002ND
2020-09-01Q20348330059.08 ppb
2020-09-01Q20348330074.38 ppb
2020-09-01Q20348330176.35 ppb
2020-09-01Q2034833018ND
2020-10-28Q204161700110.2 ppb
2020-10-28Q2041617002ND
2021-03-09Q2106121020ND
2021-03-09Q21061210192.36 ppb
2021-03-09Q2106121011ND
2021-03-09Q21061210171.52 ppb
2021-03-09Q21061210131.75 ppb
2021-03-09Q21061210092.85 ppb
2021-03-09Q210612100713.9 ppb
2021-03-09Q21061210152.59 ppb
2021-04-28Q21107420012.30 ppb
2021-04-28Q21107420021.10 ppb
2021-08-03Q21201840014.10 ppb
2021-08-03Q21201840021.04 ppb
2021-09-14Q2124999006ND
2021-11-15Q21317820069.60 ppb
2021-11-15Q21317820071.18 ppb
2021-12-14Q21355150011.16 ppb
2022-03-14Q2208529005ND
2022-03-14Q2208529010ND
2022-03-14Q22085290094.97 ppb
2022-05-05Q2213616004ND
2022-05-05Q22136160086.65 ppb
2022-05-05Q22136160091.000 ppb
2022-08-01Q22218910014.11 ppb
2022-08-01Q22218910021.33 ppb
2022-10-13Q22310740272.24 ppb
2022-10-13Q22310740033.07 ppb
2022-10-13Q223107401611.5 ppb
2022-10-13Q22310740111.79 ppb
2022-10-13Q223107400721.6 ppb
2022-10-13Q223107400521.3 ppb
2022-10-13Q22310740011.53 ppb
2022-10-13Q22310740092.74 ppb
2023-01-18Q23025990018.53 ppb
2023-01-18Q2302599002ND
2023-04-13Q23137130051.64 ppb
2023-04-13Q231371300911.7 ppb
2023-04-13Q23137130101.53 ppb
2023-08-15Q23340870101.76 ppb
2023-08-15Q23340870381.95 ppb
2023-08-15Q233408703717.1 ppb
2023-08-15Q23340870182.33 ppb
2023-08-15Q23340870166.36 ppb
2023-08-15Q233408701419.9 ppb
2023-08-15Q2334087012ND
2023-12-01Q23516370011.39 ppb
2023-12-01Q23516370025.45 ppb