Know Your Environment. Protect Your Health.

Bromoform

Gafford Chapel Water Supply Corporation

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

 

61

Samples

0

Samples exceeding legal limit (MCL)

37

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201817.7 ppb106ND - 41.6 ppb
201923.0 ppb106ND - 61.2 ppb
202016.1 ppb117ND - 45.1 ppb
202118.8 ppb106ND - 43.1 ppb
202224.5 ppb106ND - 66.6 ppb
202325.7 ppb106ND - 58.6 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-06Q180451700231.2 ppb
2018-02-06Q1804517001ND
2018-04-12Q181513801041.6 ppb
2018-04-12Q181513801110.7 ppb
2018-04-12Q181513801429.9 ppb
2018-04-12Q1815138001ND
2018-07-26Q182982400126.0 ppb
2018-07-26Q1829824002ND
2018-11-05Q1844032001ND
2018-11-05Q184403200237.4 ppb
2019-02-28Q1908778001ND
2019-02-28Q190877800248.8 ppb
2019-05-22Q192778900319.7 ppb
2019-05-22Q192778900515.5 ppb
2019-05-22Q1927789009ND
2019-05-22Q192778901061.2 ppb
2019-09-13Q1964928001ND
2019-09-13Q196492800238.4 ppb
2019-12-02Q1978464001ND
2019-12-02Q197846400246.2 ppb
2020-02-20Q200654500113.4 ppb
2020-02-20Q2006545009ND
2020-02-20Q200654501035.7 ppb
2020-03-30Q201291500122.8 ppb
2020-05-26Q2020631001ND
2020-05-26Q20206310022.38 ppb
2020-05-26Q202063100317.8 ppb
2020-09-29Q2038278001ND
2020-09-29Q203827800245.1 ppb
2020-12-08Q204909000240.3 ppb
2020-12-08Q2049090001ND
2021-03-08Q2105984001ND
2021-03-08Q210598400237.9 ppb
2021-05-11Q2112062001ND
2021-05-11Q211206200224.6 ppb
2021-08-24Q2122962001ND
2021-08-24Q212296200234.2 ppb
2021-10-14Q212887401243.1 ppb
2021-10-14Q212887401532.5 ppb
2021-10-14Q212887401315.9 ppb
2021-10-14Q2128874011ND
2022-02-28Q2206635001ND
2022-02-28Q220663500221.8 ppb
2022-04-21Q2212192001ND
2022-04-21Q221219200232.4 ppb
2022-07-27Q222139400136.2 ppb
2022-07-27Q222139400966.6 ppb
2022-07-27Q2221394008ND
2022-10-26Q2232337001ND
2022-10-26Q223233700244.8 ppb
2022-10-26Q223233700343.2 ppb
2023-02-21Q2307046001ND
2023-02-21Q230704600239.7 ppb
2023-05-02Q2316476001ND
2023-05-02Q231647600247.8 ppb
2023-07-18Q2327998003ND
2023-07-18Q232799800458.6 ppb
2023-07-18Q232799800525.8 ppb
2023-07-18Q232799800736.4 ppb
2023-10-11Q2343407001ND
2023-10-11Q234340700249.1 ppb