Know Your Environment. Protect Your Health.

Dibromochloromethane

York Water Company

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.

 

192

Samples

0

Samples exceeding legal limit (MCL)

129

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.954 ppb3224ND - 1.60 ppb
20190.781 ppb3219ND - 1.70 ppb
20200.234 ppb327ND - 1.10 ppb
20211.07 ppb3227ND - 1.60 ppb
20220.872 ppb3223ND - 1.70 ppb
20231.19 ppb3229ND - 1.60 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
2018-02-0622936090011.20 ppb
2018-02-0622936090021.10 ppb
2018-02-0622936090031.20 ppb
2018-02-0622936090041.10 ppb
2018-02-0622936090050.840 ppb
2018-02-0622936090060.780 ppb
2018-02-0622936090070.900 ppb
2018-02-0622936090080.900 ppb
2018-05-0923147880011.50 ppb
2018-05-0923147880031.50 ppb
2018-05-0923147880061.60 ppb
2018-05-0923147880071.60 ppb
2018-05-1023147880021.20 ppb
2018-05-1023147880041.50 ppb
2018-05-1023147880051.60 ppb
2018-05-1023147880081.60 ppb
2018-08-092331794001ND
2018-08-092331794002ND
2018-08-092331794003ND
2018-08-092331794004ND
2018-08-092331794005ND
2018-08-092331794006ND
2018-08-092331794007ND
2018-08-092331794008ND
2018-11-0723492830011.50 ppb
2018-11-0723492830031.20 ppb
2018-11-0723492830051.30 ppb
2018-11-0723492830061.20 ppb
2018-11-0723492830071.30 ppb
2018-11-0823492830021.30 ppb
2018-11-0823492830041.30 ppb
2018-11-0823492830081.30 ppb
2019-02-063015235005ND
2019-02-063015235006ND
2019-02-073015235002ND
2019-02-073015235004ND
2019-02-073015235008ND
2019-02-083015235001ND
2019-02-083015235003ND
2019-02-083015235007ND
2019-05-0830328610021.70 ppb
2019-05-0830328610061.20 ppb
2019-05-0830328610081.40 ppb
2019-05-0930328610041.40 ppb
2019-05-0930328610051.30 ppb
2019-05-1030328610011.60 ppb
2019-05-1030328610031.50 ppb
2019-05-1030328610071.20 ppb
2019-08-0730506490011.30 ppb
2019-08-0730506490031.30 ppb
2019-08-0730506490061.30 ppb
2019-08-0730506490071.30 ppb
2019-08-0830506490041.30 ppb
2019-08-0830506490051.30 ppb
2019-08-0930506490021.40 ppb
2019-08-0930506490081.40 ppb
2019-11-063068745001ND
2019-11-063068745002ND
2019-11-0630687450031.10 ppb
2019-11-0630687450041.000 ppb
2019-11-0630687450051.000 ppb
2019-11-063068745006ND
2019-11-063068745007ND
2019-11-063068745008ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-02-06ND
2020-02-07ND
2020-02-07ND
2020-02-07ND
2020-05-06ND
2020-05-06ND
2020-05-06ND
2020-05-06ND
2020-05-06ND
2020-05-07ND
2020-05-07ND
2020-05-07ND
2020-08-07ND
2020-08-07ND
2020-08-07ND
2020-08-07ND
2020-08-08ND
2020-08-08ND
2020-08-081.000 ppb
2020-08-08ND
2020-11-061.10 ppb
2020-11-061.000 ppb
2020-11-081.10 ppb
2020-11-08ND
2020-11-09ND
2020-11-091.10 ppb
2020-11-101.10 ppb
2020-11-101.10 ppb
2021-02-091.10 ppb
2021-02-091.10 ppb
2021-02-091.20 ppb
2021-02-091.10 ppb
2021-02-091.10 ppb
2021-02-09ND
2021-02-091.10 ppb
2021-02-091.10 ppb
2021-05-091.20 ppb
2021-05-09ND
2021-05-101.30 ppb
2021-05-111.30 ppb
2021-05-111.20 ppb
2021-05-11ND
2021-05-11ND
2021-05-111.30 ppb
2021-08-081.40 ppb
2021-08-081.50 ppb
2021-08-081.50 ppb
2021-08-091.50 ppb
2021-08-091.50 ppb
2021-08-101.60 ppb
2021-08-101.50 ppb
2021-08-101.40 ppb
2021-11-081.20 ppb
2021-11-101.10 ppb
2021-11-10ND
2021-11-101.40 ppb
2021-11-101.10 ppb
2021-11-101.10 ppb
2021-11-101.10 ppb
2021-11-111.30 ppb
2022-02-061.20 ppb
2022-02-061.20 ppb
2022-02-06ND
2022-02-06ND
2022-02-071.20 ppb
2022-02-07ND
2022-02-08ND
2022-02-081.000 ppb
2022-05-091.30 ppb
2022-05-101.20 ppb
2022-05-101.20 ppb
2022-05-10ND
2022-05-10ND
2022-05-10ND
2022-05-10ND
2022-05-10ND
2022-08-091.20 ppb
2022-08-091.10 ppb
2022-08-091.10 ppb
2022-08-091.20 ppb
2022-08-101.20 ppb
2022-08-101.20 ppb
2022-08-111.10 ppb
2022-08-111.30 ppb
2022-11-081.20 ppb
2022-11-081.70 ppb
2022-11-081.20 ppb
2022-11-091.30 ppb
2022-11-091.30 ppb
2022-11-091.10 ppb
2022-11-101.20 ppb
2022-11-101.20 ppb
2023-02-071.30 ppb
2023-02-071.30 ppb
2023-02-071.30 ppb
2023-02-071.30 ppb
2023-02-071.40 ppb
2023-02-071.30 ppb
2023-02-081.40 ppb
2023-02-081.30 ppb
2023-05-091.40 ppb
2023-05-091.40 ppb
2023-05-091.40 ppb
2023-05-091.30 ppb
2023-05-091.30 ppb
2023-05-101.30 ppb
2023-05-101.20 ppb
2023-05-101.30 ppb
2023-08-081.60 ppb
2023-08-081.50 ppb
2023-08-081.50 ppb
2023-08-081.50 ppb
2023-08-081.50 ppb
2023-08-081.50 ppb
2023-08-091.40 ppb
2023-08-09ND
2023-11-071.20 ppb
2023-11-07ND
2023-11-081.000 ppb
2023-11-081.000 ppb
2023-11-081.10 ppb
2023-11-08ND
2023-11-091.000 ppb
2023-11-091.10 ppb