Know Your Environment. Protect Your Health.

Dibromochloromethane

Connecticut Water Company - Northern Region-Western System

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.

 

218

Samples

0

Samples exceeding legal limit (MCL)

206

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.30 ppb3836ND - 6.80 ppb
20193.29 ppb34340.600 ppb - 6.30 ppb
20202.50 ppb3834ND - 5.90 ppb
20212.12 ppb34340.500 ppb - 5.10 ppb
20222.52 ppb4035ND - 5.90 ppb
20232.45 ppb3433ND - 5.00 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
2018-01-23BZ78888VOC11.50 ppb
2018-01-31BZ82950VOC1ND
2018-02-01BZ83504TTHM3.50 ppb
2018-02-01BZ83505TTHM2.70 ppb
2018-02-01BZ83506TTHM2.50 ppb
2018-02-01BZ83507TTHM2.80 ppb
2018-02-01BZ83508TTHM2.10 ppb
2018-02-01BZ83509TTHM1.70 ppb
2018-02-01BZ83510TTHM1.60 ppb
2018-02-21BZ93283TTHM2.30 ppb
2018-05-03CA41161TTHM3.80 ppb
2018-05-03CA41162TTHM3.60 ppb
2018-05-03CA41163TTHM3.40 ppb
2018-05-03CA41164TTHM4.00 ppb
2018-05-03CA41165TTHM2.70 ppb
2018-05-03CA41166TTHM2.30 ppb
2018-05-03CA41167TTHM2.30 ppb
2018-05-03D8E0468-01VOC3.80 ppb
2018-05-15CA48118TTHM2.60 ppb
2018-07-13CA89901ND
2018-08-02CB040205.40 ppb
2018-08-02CB040214.40 ppb
2018-08-02CB040225.80 ppb
2018-08-02CB040234.40 ppb
2018-08-02CB040243.60 ppb
2018-08-02CB040253.60 ppb
2018-08-02CB040263.50 ppb
2018-08-06CB058404.20 ppb
2018-08-10DBP 2005020315.30 ppb
2018-08-10CB091545.00 ppb
2018-11-01DBP 2005111336.80 ppb
2018-11-01DBP 2005111344.40 ppb
2018-11-01DBP 2005111354.40 ppb
2018-11-01DBP 2005111364.10 ppb
2018-11-01DBP 2005111373.70 ppb
2018-11-01DBP 2005111382.30 ppb
2018-11-01DBP 2005111392.60 ppb
2018-11-05DBP 2005113892.80 ppb
2019-01-02VOC1 2005173091.80 ppb
2019-02-07DBP 2005210831.90 ppb
2019-02-07DBP 2005210843.00 ppb
2019-02-07DBP 2005210852.10 ppb
2019-02-07DBP 2005210863.20 ppb
2019-02-07DBP 2005210872.80 ppb
2019-02-07DBP 2005210883.40 ppb
2019-02-07DBP 2005210894.60 ppb
2019-02-11DBP 2005212562.20 ppb
2019-03-15VOC1 2005248830.600 ppb
2019-05-09DBP 2005315753.20 ppb
2019-05-09DBP 2005315762.30 ppb
2019-05-09DBP 2005315772.40 ppb
2019-05-09DBP 2005315822.40 ppb
2019-05-09DBP 2005315841.80 ppb
2019-05-09DBP 2005315861.30 ppb
2019-05-09DBP 2005315871.30 ppb
2019-05-13DBP 2005318372.20 ppb
2019-08-01DBP 2005427226.30 ppb
2019-08-01DBP 2005427234.80 ppb
2019-08-01DBP 2005427244.80 ppb
2019-08-01DBP 2005427255.30 ppb
2019-08-01DBP 2005427264.10 ppb
2019-08-01DBP 2005427273.00 ppb
2019-08-01DBP 2005427282.90 ppb
2019-08-13DBP 2005447584.10 ppb
2019-11-07DBP 2005558285.50 ppb
2019-11-07DBP 2005558305.00 ppb
2019-11-07DBP 2005558314.80 ppb
2019-11-07DBP 2005558325.30 ppb
2019-11-07DBP 2005558333.80 ppb
2019-11-07DBP 2005558343.40 ppb
2019-11-07DBP 2005558352.90 ppb
2019-11-18DBP 2005570043.20 ppb
2020-01-02VOC1 2005615041.30 ppb
2020-01-06DBP 2005616651.80 ppb
2020-02-06DBP 2005653573.00 ppb
2020-02-06DBP 2005653582.50 ppb
2020-02-06DBP 2005653592.20 ppb
2020-02-06DBP 2005653602.10 ppb
2020-02-06DBP 2005653611.70 ppb
2020-02-06DBP 2005653621.40 ppb
2020-02-07DBP 2005656403.30 ppb
2020-02-07DBP 2005656411.80 ppb
2020-05-07DBP 2005751712.70 ppb
2020-05-07DBP 2005751751.80 ppb
2020-05-07DBP 2005751761.70 ppb
2020-05-07DBP 2005751772.00 ppb
2020-05-07DBP 2005751732.90 ppb
2020-05-08DBP 2005751703.40 ppb
2020-05-08DBP 2005751742.10 ppb
2020-05-08DBP 2005751722.30 ppb
2020-06-29VOC1 200580772ND
2020-08-06DBP 2005857444.60 ppb
2020-08-06DBP 2005857503.00 ppb
2020-08-06DBP 2005857534.00 ppb
2020-08-06DBP 2005857543.80 ppb
2020-08-07DBP 2005857552.60 ppb
2020-08-07DBP 2005857561.80 ppb
2020-08-07DBP 2005857572.10 ppb
2020-08-07DBP 2005857582.60 ppb
2020-08-11VOC1 200586573ND
2020-09-21VOC1 200591014ND
2020-10-07VOC1 200593218ND
2020-11-05DBP 2005973563.30 ppb
2020-11-05DBP 2005973575.90 ppb
2020-11-05DBP 2005973584.20 ppb
2020-11-05DBP 2005973592.70 ppb
2020-11-05DBP 2005973602.40 ppb
2020-11-05DBP 2005973613.20 ppb
2020-11-12DBP 2005982064.80 ppb
2020-11-12DBP 2005982104.10 ppb
2021-02-11DBP 2006068951.30 ppb
2021-02-11DBP 2006068961.40 ppb
2021-02-11DBP 2006069071.000 ppb
2021-02-12DBP 2006069111.50 ppb
2021-02-16DBP 2006069122.70 ppb
2021-02-17DBP 2006071121.70 ppb
2021-02-22DBP 2006074591.10 ppb
2021-02-23DBP 2006076451.70 ppb
2021-03-05VOC1 2006087071.000 ppb
2021-05-13DBP 2006172391.70 ppb
2021-05-14DBP 2006172362.00 ppb
2021-05-14DBP 2006172371.50 ppb
2021-05-14DBP 2006172381.30 ppb
2021-05-20DBP 2006183163.10 ppb
2021-05-20DBP 2006183171.90 ppb
2021-05-20DBP 2006183192.80 ppb
2021-05-20DBP 2006183213.00 ppb
2021-08-12DBP 2006287562.10 ppb
2021-08-12DBP 2006287571.40 ppb
2021-08-12DBP 2006287582.20 ppb
2021-08-12DBP 2006287591.40 ppb
2021-08-12DBP 2006287601.40 ppb
2021-08-12DBP 2006287612.90 ppb
2021-08-25DBP 2006298155.10 ppb
2021-08-25DBP 2006298162.80 ppb
2021-09-14300059932 3000599340.500 ppb
2021-11-04D300098348 3000983572.40 ppb
2021-11-04D300098349 3000983592.00 ppb
2021-11-04D300098350 3000983612.60 ppb
2021-11-04D300098351 3000983631.80 ppb
2021-11-04D300098352 3000983652.20 ppb
2021-11-05D300098353 3000983672.90 ppb
2021-11-05D300098354 3000983693.50 ppb
2021-11-05D300098355 3000983714.30 ppb
2022-01-24CK22294ND
2022-01-25CK231750.560 ppb
2022-01-25CK23176ND
2022-02-01CK274281.10 ppb
2022-02-03CK297522.00 ppb
2022-02-03CK297531.40 ppb
2022-02-03CK297543.10 ppb
2022-02-03CK297551.60 ppb
2022-02-03CK297562.10 ppb
2022-02-03CK297572.10 ppb
2022-02-03CK297582.60 ppb
2022-02-04CK314893.40 ppb
2022-02-16CK69359ND
2022-05-12CL315132.20 ppb
2022-05-12CL315143.10 ppb
2022-05-12CL315151.90 ppb
2022-05-12CL315162.50 ppb
2022-05-12CL315172.00 ppb
2022-05-13CL315182.80 ppb
2022-05-13CL315193.80 ppb
2022-05-13CL315202.70 ppb
2022-08-04CL989633.30 ppb
2022-08-04CL989642.50 ppb
2022-08-04CL989653.50 ppb
2022-08-05CL989663.70 ppb
2022-08-05CL989675.00 ppb
2022-08-05CL989683.50 ppb
2022-08-05CL989692.60 ppb
2022-08-05CL989702.20 ppb
2022-08-26CM16199ND
2022-09-08CM256720.760 ppb
2022-09-20CM37295ND
2022-11-17CM902834.50 ppb
2022-11-17CM902842.20 ppb
2022-11-17CM902855.10 ppb
2022-11-17CM902862.60 ppb
2022-11-17CM902874.20 ppb
2022-11-17CM902884.60 ppb
2022-11-17CM902893.60 ppb
2022-11-18CM902905.90 ppb
2023-01-17CN242381.40 ppb
2023-02-02CN370771.50 ppb
2023-02-02CN370782.10 ppb
2023-02-02CN370792.60 ppb
2023-02-02CN370801.50 ppb
2023-02-02CN370812.00 ppb
2023-02-02CN370822.10 ppb
2023-02-02CN370832.50 ppb
2023-02-02CN370843.70 ppb
2023-05-12CO062941.20 ppb
2023-05-12CO062952.60 ppb
2023-05-12CO062961.30 ppb
2023-05-12CO062971.70 ppb
2023-05-12CO062982.00 ppb
2023-05-12CO062992.30 ppb
2023-05-18CO093864.10 ppb
2023-05-18CO093871.80 ppb
2023-08-10CO733762.10 ppb
2023-08-10CO733772.90 ppb
2023-08-10CO733782.70 ppb
2023-08-11CO733791.80 ppb
2023-08-11CO733802.10 ppb
2023-08-11CO733813.20 ppb
2023-08-11CO733823.30 ppb
2023-08-11CO733835.00 ppb
2023-11-16CP504493.50 ppb
2023-11-16CP504502.50 ppb
2023-11-16CP504514.90 ppb
2023-11-16CP504522.20 ppb
2023-11-16CP504532.10 ppb
2023-11-16CP504543.70 ppb
2023-11-16CP504551.80 ppb
2023-11-17CP504563.00 ppb
2023-12-13CP67269ND