Know Your Environment. Protect Your Health.

Bromodichloromethane

Middletown Water Department

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.

 

109

Samples

0

Samples exceeding legal limit (MCL)

109

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20189.15 ppb18182.80 ppb - 13.9 ppb
20199.54 ppb18182.00 ppb - 13.0 ppb
20208.42 ppb18182.70 ppb - 12.2 ppb
20216.77 ppb19192.10 ppb - 12.5 ppb
20226.89 ppb18181.50 ppb - 10.4 ppb
20236.80 ppb18183.60 ppb - 11.9 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
2018-01-05DBP 2004854106.60 ppb
2018-01-05DBP 2004854117.40 ppb
2018-01-05DBP 20048541211.0 ppb
2018-01-05DBP 2004854137.80 ppb
2018-03-28VOC1 2004907704.20 ppb
2018-04-05DBP 2004914466.50 ppb
2018-04-05DBP 2004914476.40 ppb
2018-04-05DBP 2004914486.80 ppb
2018-04-05DBP 2004914496.40 ppb
2018-04-16VOC1 2004921542.80 ppb
2018-07-04DBP 20049863811.2 ppb
2018-07-04DBP 20049863910.9 ppb
2018-07-04DBP 20049864011.9 ppb
2018-07-04DBP 20049864113.2 ppb
2018-10-04DBP 20050804712.0 ppb
2018-10-04DBP 20050804812.0 ppb
2018-10-04DBP 20050804913.9 ppb
2018-10-04DBP 20050805013.7 ppb
2019-01-03DBP 2005175067.40 ppb
2019-01-03DBP 2005175077.60 ppb
2019-01-03DBP 20051750811.7 ppb
2019-01-03DBP 2005175098.40 ppb
2019-04-04DBP 2005271828.50 ppb
2019-04-04DBP 2005271838.40 ppb
2019-04-04DBP 2005271849.10 ppb
2019-04-04DBP 2005271859.50 ppb
2019-05-13VOC1 2005318932.00 ppb
2019-05-21VOC1 2005330837.20 ppb
2019-07-03DBP 20053892213.0 ppb
2019-07-03DBP 20053892310.7 ppb
2019-07-03DBP 20053892413.0 ppb
2019-07-03DBP 20053892512.7 ppb
2019-10-17DBP 2005533339.10 ppb
2019-10-17DBP 20055333511.3 ppb
2019-10-17DBP 20055333710.9 ppb
2019-10-17DBP 20055333911.2 ppb
2020-01-09DBP 2005623135.80 ppb
2020-01-09DBP 2005623146.60 ppb
2020-01-09DBP 2005623157.40 ppb
2020-01-09DBP 2005623166.90 ppb
2020-04-09DBP 2005718939.70 ppb
2020-04-09DBP 2005718959.70 ppb
2020-04-09DBP 2005718968.60 ppb
2020-04-09DBP 2005718979.40 ppb
2020-05-06VOC1 2005747234.80 ppb
2020-05-14VOC1 2005758332.70 ppb
2020-07-09DBP 2005820849.90 ppb
2020-07-09DBP 20058208510.00 ppb
2020-07-09DBP 2005820869.30 ppb
2020-07-09DBP 20058208712.2 ppb
2020-10-15DBP 2005941678.60 ppb
2020-10-15DBP 20059416811.1 ppb
2020-10-15DBP 2005941698.90 ppb
2020-10-15DBP 2005941709.90 ppb
2021-01-14DBP 2006038996.20 ppb
2021-01-14DBP 2006039005.70 ppb
2021-01-14DBP 2006039014.60 ppb
2021-01-14DBP 2006039025.70 ppb
2021-03-03VOC1 2006121852.60 ppb
2021-03-30VOC1 2006121833.80 ppb
2021-03-30VOC1 2006121842.10 ppb
2021-04-15DBP 2006133375.80 ppb
2021-04-15DBP 2006133384.70 ppb
2021-04-15DBP 2006133394.60 ppb
2021-04-15DBP 2006133405.90 ppb
2021-07-08DBP 2006236919.40 ppb
2021-07-08DBP 20062369310.4 ppb
2021-07-08DBP 2006237089.80 ppb
2021-07-08DBP 20062370912.5 ppb
2021-10-21B300086243 3000862457.30 ppb
2021-10-21B300086246 3000862488.80 ppb
2021-10-21B300086249 30008625111.5 ppb
2021-10-21B300086252 3000862547.20 ppb
2022-01-06D300128620 3001286227.40 ppb
2022-01-06D300128623 3001286256.50 ppb
2022-01-06D300128626 3001286287.30 ppb
2022-01-06D300128629 3001286316.40 ppb
2022-04-07D300167654 3001676565.20 ppb
2022-04-07D300167657 3001676594.70 ppb
2022-04-07D300167660 3001676625.20 ppb
2022-04-07D300167663 3001676654.60 ppb
2022-05-11V300182524 3001825314.10 ppb
2022-05-11V300182526 3001825441.50 ppb
2022-07-07D300209431 3002094339.80 ppb
2022-07-07D300209434 3002094369.40 ppb
2022-07-07D300209437 30020943910.4 ppb
2022-07-07D300209440 3002094429.90 ppb
2022-10-27D300264516 3002645188.60 ppb
2022-10-27D300264519 3002645216.90 ppb
2022-10-27D300264522 3002645249.80 ppb
2022-10-27D300264525 3002645276.40 ppb
2023-01-12D300297210 3002972125.40 ppb
2023-01-12D300297213 3002972154.70 ppb
2023-01-12D300297216 3002972185.80 ppb
2023-01-12D300297219 3002972215.80 ppb
2023-04-20D300336739 3003367416.20 ppb
2023-04-20D300336742 3003367445.30 ppb
2023-04-20D300336745 3003367476.20 ppb
2023-04-20D300336748 3003367506.70 ppb
2023-06-23V300370771 3003707724.70 ppb
2023-06-23V300370773 3003707743.60 ppb
2023-07-06D300377098 30037710010.4 ppb
2023-07-06D300377101 30037710310.5 ppb
2023-07-06D300377104 30037710611.9 ppb
2023-07-06D300377107 3003771099.50 ppb
2023-10-19D300433229 3004332316.40 ppb
2023-10-19D300433232 3004332345.90 ppb
2023-10-19D300433235 3004332377.80 ppb
2023-10-19D300433238 3004332405.60 ppb