Know Your Environment. Protect Your Health.

Dibromochloromethane

Middletown Water Department

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

109

Samples

0

Samples exceeding legal limit (MCL)

107

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.54 ppb18180.600 ppb - 2.90 ppb
20191.55 ppb18180.700 ppb - 2.20 ppb
20201.41 ppb18180.600 ppb - 2.80 ppb
20210.942 ppb19190.600 ppb - 1.60 ppb
20220.978 ppb1817ND - 1.60 ppb
20230.739 ppb1817ND - 1.30 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane 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
2018-01-05DBP 2004854101.20 ppb
2018-01-05DBP 2004854111.20 ppb
2018-01-05DBP 2004854121.70 ppb
2018-01-05DBP 2004854131.30 ppb
2018-03-28VOC1 2004907700.600 ppb
2018-04-05DBP 2004914460.900 ppb
2018-04-05DBP 2004914471.000 ppb
2018-04-05DBP 2004914481.10 ppb
2018-04-05DBP 2004914490.900 ppb
2018-04-16VOC1 2004921540.700 ppb
2018-07-04DBP 2004986381.70 ppb
2018-07-04DBP 2004986391.70 ppb
2018-07-04DBP 2004986401.90 ppb
2018-07-04DBP 2004986412.00 ppb
2018-10-04DBP 2005080472.10 ppb
2018-10-04DBP 2005080482.20 ppb
2018-10-04DBP 2005080492.90 ppb
2018-10-04DBP 2005080502.70 ppb
2019-01-03DBP 2005175061.10 ppb
2019-01-03DBP 2005175071.20 ppb
2019-01-03DBP 2005175081.70 ppb
2019-01-03DBP 2005175091.20 ppb
2019-04-04DBP 2005271821.10 ppb
2019-04-04DBP 2005271831.10 ppb
2019-04-04DBP 2005271841.30 ppb
2019-04-04DBP 2005271851.30 ppb
2019-05-13VOC1 2005318930.700 ppb
2019-05-21VOC1 2005330831.10 ppb
2019-07-03DBP 2005389222.20 ppb
2019-07-03DBP 2005389231.80 ppb
2019-07-03DBP 2005389242.20 ppb
2019-07-03DBP 2005389252.20 ppb
2019-10-17DBP 2005533331.60 ppb
2019-10-17DBP 2005533352.10 ppb
2019-10-17DBP 2005533372.00 ppb
2019-10-17DBP 2005533392.00 ppb
2020-01-09DBP 2005623131.20 ppb
2020-01-09DBP 2005623141.30 ppb
2020-01-09DBP 2005623151.40 ppb
2020-01-09DBP 2005623161.30 ppb
2020-04-09DBP 2005718931.20 ppb
2020-04-09DBP 2005718951.10 ppb
2020-04-09DBP 2005718961.000 ppb
2020-04-09DBP 2005718971.10 ppb
2020-05-06VOC1 2005747230.800 ppb
2020-05-14VOC1 2005758330.600 ppb
2020-07-09DBP 2005820841.80 ppb
2020-07-09DBP 2005820851.80 ppb
2020-07-09DBP 2005820861.60 ppb
2020-07-09DBP 2005820871.90 ppb
2020-10-15DBP 2005941671.40 ppb
2020-10-15DBP 2005941682.80 ppb
2020-10-15DBP 2005941691.40 ppb
2020-10-15DBP 2005941701.60 ppb
2021-01-14DBP 2006038991.000 ppb
2021-01-14DBP 2006039001.000 ppb
2021-01-14DBP 2006039010.900 ppb
2021-01-14DBP 2006039021.000 ppb
2021-03-03VOC1 2006121850.900 ppb
2021-03-30VOC1 2006121830.600 ppb
2021-03-30VOC1 2006121840.800 ppb
2021-04-15DBP 2006133370.700 ppb
2021-04-15DBP 2006133380.700 ppb
2021-04-15DBP 2006133390.700 ppb
2021-04-15DBP 2006133400.700 ppb
2021-07-08DBP 2006236911.20 ppb
2021-07-08DBP 2006236931.40 ppb
2021-07-08DBP 2006237081.20 ppb
2021-07-08DBP 2006237091.60 ppb
2021-10-21B300086243 3000862450.800 ppb
2021-10-21B300086246 3000862480.800 ppb
2021-10-21B300086249 3000862511.10 ppb
2021-10-21B300086252 3000862540.800 ppb
2022-01-06D300128620 3001286220.900 ppb
2022-01-06D300128623 3001286250.800 ppb
2022-01-06D300128626 3001286280.900 ppb
2022-01-06D300128629 3001286310.800 ppb
2022-04-07D300167654 3001676560.800 ppb
2022-04-07D300167657 3001676590.700 ppb
2022-04-07D300167660 3001676620.800 ppb
2022-04-07D300167663 3001676650.700 ppb
2022-05-11V300182524 3001825310.700 ppb
2022-05-11V300182526 300182544ND
2022-07-07D300209431 3002094331.40 ppb
2022-07-07D300209434 3002094361.20 ppb
2022-07-07D300209437 3002094391.40 ppb
2022-07-07D300209440 3002094421.50 ppb
2022-10-27D300264516 3002645181.40 ppb
2022-10-27D300264519 3002645211.000 ppb
2022-10-27D300264522 3002645241.60 ppb
2022-10-27D300264525 3002645271.000 ppb
2023-01-12D300297210 3002972120.700 ppb
2023-01-12D300297213 3002972150.600 ppb
2023-01-12D300297216 3002972180.700 ppb
2023-01-12D300297219 3002972210.700 ppb
2023-04-20D300336739 3003367410.700 ppb
2023-04-20D300336742 3003367440.500 ppb
2023-04-20D300336745 3003367470.700 ppb
2023-04-20D300336748 3003367500.700 ppb
2023-06-23V300370771 300370772ND
2023-06-23V300370773 3003707740.700 ppb
2023-07-06D300377098 3003771001.10 ppb
2023-07-06D300377101 3003771031.30 ppb
2023-07-06D300377104 3003771061.20 ppb
2023-07-06D300377107 3003771091.000 ppb
2023-10-19D300433229 3004332310.600 ppb
2023-10-19D300433232 3004332340.700 ppb
2023-10-19D300433235 3004332370.800 ppb
2023-10-19D300433238 3004332400.600 ppb