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Bromodichloromethane

West Hwy 80 Ark Road WS

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.

MORE ABOUT THIS CONTAMINANT

 

128

Samples

0

Samples exceeding legal limit (MCL)

125

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.93 ppb3230ND - 14.3 ppb
20194.15 ppb32321.10 ppb - 11.0 ppb
20202.91 ppb16160.820 ppb - 11.3 ppb
20215.64 ppb16160.780 ppb - 19.9 ppb
20224.04 ppb16161.000 ppb - 11.0 ppb
20235.26 ppb1615ND - 22.1 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
2018-02-21353761480010.870 ppb
2018-02-21353761480022.50 ppb
2018-02-21353761480031.40 ppb
2018-02-2135376148004ND
2018-02-21353761480010.870 ppb
2018-02-21353761480022.50 ppb
2018-02-21353761480031.40 ppb
2018-02-2135376148004ND
2018-05-21353939280016.00 ppb
2018-05-21353939280028.90 ppb
2018-05-21353939280037.30 ppb
2018-05-21353939280041.30 ppb
2018-05-21353939280016.00 ppb
2018-05-21353939280028.90 ppb
2018-05-21353939280037.30 ppb
2018-05-21353939280041.30 ppb
2018-08-15354116160016.20 ppb
2018-08-153541161600212.8 ppb
2018-08-153541161600310.2 ppb
2018-08-15354116160041.90 ppb
2018-08-15354116160016.20 ppb
2018-08-153541161600212.8 ppb
2018-08-153541161600310.2 ppb
2018-08-15354116160041.90 ppb
2018-11-013542822500514.3 ppb
2018-11-01354282250067.70 ppb
2018-11-01354282250071.80 ppb
2018-11-013542822500811.7 ppb
2018-11-013542822500514.3 ppb
2018-11-01354282250067.70 ppb
2018-11-01354282250071.80 ppb
2018-11-013542822500811.7 ppb
2019-02-18354493600012.50 ppb
2019-02-18354493600025.80 ppb
2019-02-18354493600036.50 ppb
2019-02-18354493600041.70 ppb
2019-02-18354493600012.50 ppb
2019-02-18354493600025.80 ppb
2019-02-18354493600036.50 ppb
2019-02-18354493600041.70 ppb
2019-05-15354693190014.10 ppb
2019-05-15354693190021.30 ppb
2019-05-15354693190037.80 ppb
2019-05-15354693190041.10 ppb
2019-05-15354693190014.10 ppb
2019-05-15354693190021.30 ppb
2019-05-15354693190037.80 ppb
2019-05-15354693190041.10 ppb
2019-08-01354870220016.10 ppb
2019-08-01354870220023.20 ppb
2019-08-013548702200311.0 ppb
2019-08-01354870220041.30 ppb
2019-08-01354870220016.10 ppb
2019-08-01354870220023.20 ppb
2019-08-013548702200311.0 ppb
2019-08-01354870220041.30 ppb
2019-11-19355140870014.20 ppb
2019-11-19355140870023.20 ppb
2019-11-19355140870035.20 ppb
2019-11-19355140870041.40 ppb
2019-11-19355140870014.20 ppb
2019-11-19355140870023.20 ppb
2019-11-19355140870035.20 ppb
2019-11-19355140870041.40 ppb
2020-02-13355310430012.30 ppb
2020-02-13355310430022.00 ppb
2020-02-13355310430033.60 ppb
2020-02-13355310430041.40 ppb
2020-05-08355488300012.40 ppb
2020-05-08355488300021.70 ppb
2020-05-083554883000311.3 ppb
2020-05-08355488300041.40 ppb
2020-08-19355722600012.20 ppb
2020-08-19355722600021.50 ppb
2020-08-19355722600036.20 ppb
2020-08-19355722600040.820 ppb
2020-11-10355919340011.70 ppb
2020-11-10355919340022.40 ppb
2020-11-10355919340034.70 ppb
2020-11-10355919340040.860 ppb
2021-02-05356100700011.40 ppb
2021-02-05356100700028.60 ppb
2021-02-05356100700039.20 ppb
2021-02-05356100700040.780 ppb
2021-05-06356316710011.90 ppb
2021-05-063563167100217.5 ppb
2021-05-063563167100319.9 ppb
2021-05-06356316710041.10 ppb
2021-08-12356557290012.30 ppb
2021-08-12356557290023.20 ppb
2021-08-12356557290033.80 ppb
2021-08-12356557290041.40 ppb
2021-11-04356771430012.50 ppb
2021-11-04356771430028.10 ppb
2021-11-04356771430037.30 ppb
2021-11-04356771430041.30 ppb
2022-02-11356966500011.80 ppb
2022-02-11356966500027.10 ppb
2022-02-11356966500037.60 ppb
2022-02-11356966500041.000 ppb
2022-05-05357157910013.10 ppb
2022-05-053571579100211.0 ppb
2022-05-053571579100310.6 ppb
2022-05-05357157910041.50 ppb
2022-08-29357440280014.50 ppb
2022-08-29357440280022.90 ppb
2022-08-29357440280032.80 ppb
2022-08-29357440280041.80 ppb
2022-11-15357615990012.70 ppb
2022-11-15357615990022.30 ppb
2022-11-15357615990032.80 ppb
2022-11-15357615990041.20 ppb
2023-02-09357792710013.60 ppb
2023-02-09357792710021.40 ppb
2023-02-09357792710033.50 ppb
2023-02-09357792710042.50 ppb
2023-05-11358009060013.00 ppb
2023-05-11358009060027.60 ppb
2023-05-11358009060036.50 ppb
2023-05-11358009060042.00 ppb
2023-08-10358209660010.970 ppb
2023-08-103582096600219.5 ppb
2023-08-103582096600322.1 ppb
2023-08-1035820966004ND
2023-11-07358417640013.40 ppb
2023-11-07358417640023.20 ppb
2023-11-07358417640033.10 ppb
2023-11-07358417640041.80 ppb