Know Your Environment. Protect Your Health.

Bromodichloromethane

University of Connecticut - Main Campus

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.

 

130

Samples

0

Samples exceeding legal limit (MCL)

120

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.09 ppb2624ND - 9.40 ppb
20194.90 ppb2624ND - 9.60 ppb
20204.90 ppb24240.700 ppb - 7.60 ppb
20215.77 ppb1816ND - 9.10 ppb
20225.40 ppb1816ND - 7.70 ppb
20234.88 ppb1816ND - 7.80 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
2018-03-15CA02987TTHM5.80 ppb
2018-03-15CA02988TTHM3.20 ppb
2018-03-15CA02989TTHM6.90 ppb
2018-03-15CA02990TTHM4.10 ppb
2018-06-12CA68568TTHM6.40 ppb
2018-06-12CA68569TTHM5.50 ppb
2018-06-12CA68570TTHM6.00 ppb
2018-06-12CA68571TTHM3.70 ppb
2018-09-19DBP 2005061826.90 ppb
2018-09-19DBP 2005061849.40 ppb
2018-09-19DBP 2005061865.00 ppb
2018-09-19DBP 2005061893.80 ppb
2018-09-25DBP 2005067206.40 ppb
2018-09-25DBP 2005067219.40 ppb
2018-09-25DBP 2005067225.80 ppb
2018-09-25DBP 2005067235.70 ppb
2018-09-26DBP 2005069664.40 ppb
2018-09-27DBP 2005070736.60 ppb
2018-12-04DBP 2005147242.10 ppb
2018-12-04DBP 2005147257.90 ppb
2018-12-04DBP 2005147264.70 ppb
2018-12-04DBP 2005147284.10 ppb
2018-12-12VOC1 200515892ND
2018-12-12VOC1 200515895ND
2018-12-17DBP 2005162815.00 ppb
2018-12-17DBP 2005162823.60 ppb
2019-03-18DBP 2005250243.90 ppb
2019-03-18DBP 2005250263.70 ppb
2019-03-18DBP 2005250295.80 ppb
2019-03-18DBP 2005250315.60 ppb
2019-03-18DBP 2005250334.40 ppb
2019-03-18DBP 2005250343.80 ppb
2019-06-24DBP 2005375417.20 ppb
2019-06-24DBP 2005375425.40 ppb
2019-06-24DBP 2005375434.80 ppb
2019-06-25DBP 2005378064.30 ppb
2019-06-25DBP 2005378076.50 ppb
2019-06-25DBP 2005378089.50 ppb
2019-09-16DBP 2005490014.50 ppb
2019-09-16DBP 2005490022.70 ppb
2019-09-16DBP 2005490406.50 ppb
2019-09-16DBP 2005490418.20 ppb
2019-09-16DBP 2005490434.30 ppb
2019-09-16DBP 2005490444.50 ppb
2019-11-21VOC1 200557816ND
2019-11-21VOC1 200557817ND
2019-12-09DBP 2005594124.20 ppb
2019-12-09DBP 2005594163.30 ppb
2019-12-09DBP 2005594195.30 ppb
2019-12-09DBP 2005594229.60 ppb
2019-12-09DBP 2005594255.40 ppb
2019-12-09DBP 2005594274.10 ppb
2020-03-10DBP 2005688614.40 ppb
2020-03-10DBP 2005688623.90 ppb
2020-03-10DBP 2005688635.10 ppb
2020-03-10DBP 2005688645.70 ppb
2020-03-10DBP 2005688655.10 ppb
2020-03-10DBP 2005688664.70 ppb
2020-04-28VOC1 2005738861.20 ppb
2020-04-28VOC1 2005738850.700 ppb
2020-06-08DBP 2005783484.00 ppb
2020-06-08DBP 2005783495.10 ppb
2020-06-08DBP 2005783504.40 ppb
2020-06-08DBP 2005783515.10 ppb
2020-06-08DBP 2005783524.10 ppb
2020-06-08DBP 2005783534.60 ppb
2020-09-08DBP 2005893107.40 ppb
2020-09-08DBP 2005893117.40 ppb
2020-09-08DBP 2005893126.60 ppb
2020-09-08DBP 2005893134.20 ppb
2020-09-08DBP 2005893147.60 ppb
2020-09-08DBP 2005893154.40 ppb
2020-12-14DBP 2006011564.90 ppb
2020-12-14DBP 2006011576.40 ppb
2020-12-14DBP 2006013856.10 ppb
2020-12-15DBP 2006014754.50 ppb
2021-03-10DBP 2006093793.90 ppb
2021-03-10DBP 2006093805.80 ppb
2021-03-10DBP 2006093812.90 ppb
2021-03-10DBP 2006093824.60 ppb
2021-06-01DBP 2006190428.30 ppb
2021-06-01DBP 2006190447.50 ppb
2021-06-01DBP 2006190464.30 ppb
2021-06-01DBP 2006190487.20 ppb
2021-09-08300054204 3000542097.70 ppb
2021-09-08300054205 3000542119.00 ppb
2021-09-08300054206 3000542134.00 ppb
2021-09-08300054207 3000542159.10 ppb
2021-09-14300059939 300059941ND
2021-09-14300059942 300059944ND
2021-12-07D300114234 3001142397.60 ppb
2021-12-07D300114235 3001142416.80 ppb
2021-12-07D300114236 3001142436.70 ppb
2021-12-07D300114237 3001142458.40 ppb
2022-03-07CK804325.70 ppb
2022-03-07CK804336.20 ppb
2022-03-07CK804345.90 ppb
2022-03-07CK804357.60 ppb
2022-06-02CL468105.40 ppb
2022-06-02CL468116.40 ppb
2022-06-02CL468125.80 ppb
2022-06-02CL468136.50 ppb
2022-09-12CM285245.90 ppb
2022-09-12CM285257.50 ppb
2022-09-12CM285267.70 ppb
2022-09-12CM285276.10 ppb
2022-12-06CM98053ND
2022-12-06CM98054ND
2022-12-12CN025225.50 ppb
2022-12-12CN025235.00 ppb
2022-12-12CN025244.50 ppb
2022-12-12CN025255.50 ppb
2023-03-08CN552814.90 ppb
2023-03-08CN552825.70 ppb
2023-03-08CN552834.00 ppb
2023-03-08CN552845.60 ppb
2023-05-11CO03465ND
2023-05-11CO03466ND
2023-06-05CO191797.30 ppb
2023-06-05CO191806.30 ppb
2023-06-05CO191813.10 ppb
2023-06-05CO191825.40 ppb
2023-09-11CO942105.50 ppb
2023-09-11CO942116.80 ppb
2023-09-11CO942124.00 ppb
2023-09-11CO942137.80 ppb
2023-12-05CP598655.10 ppb
2023-12-05CP598665.80 ppb
2023-12-05CP598674.70 ppb
2023-12-05CP598685.80 ppb