Know Your Environment. Protect Your Health.

Bromoform

Sharon 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.

 

72

Samples

0

Samples exceeding legal limit (MCL)

40

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.84 ppb105ND - 27.8 ppb
20193.94 ppb169ND - 25.6 ppb
20203.26 ppb126ND - 24.6 ppb
20213.47 ppb127ND - 23.4 ppb
20223.61 ppb127ND - 23.6 ppb
20233.68 ppb106ND - 16.6 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
2018-03-13Q1810062003ND
2018-03-13Q1810062005ND
2018-03-13Q18100620071.80 ppb
2018-03-13Q1810062010ND
2018-03-13Q1810062012ND
2018-03-13Q1810062014ND
2018-03-13Q181006201527.8 ppb
2018-03-13Q18100620016.36 ppb
2018-05-15Q18196840031.27 ppb
2018-05-15Q18196840021.14 ppb
2019-03-20Q19115470041.12 ppb
2019-03-20Q1911547009ND
2019-03-20Q19115470121.46 ppb
2019-06-06Q193296901218.2 ppb
2019-06-06Q19329690342.88 ppb
2019-06-06Q1932969032ND
2019-06-06Q19329690276.27 ppb
2019-06-06Q19329690261.51 ppb
2019-06-06Q1932969010ND
2019-06-06Q1932969008ND
2019-06-06Q1932969006ND
2019-06-06Q193296900425.6 ppb
2019-08-27Q1959747007ND
2019-08-27Q19597470093.74 ppb
2019-10-30Q1974573005ND
2019-10-30Q19745730072.31 ppb
2020-01-21Q2002254007ND
2020-01-21Q20022540111.29 ppb
2020-01-21Q20022540091.66 ppb
2020-04-08Q2014338003ND
2020-09-28Q20383150021.13 ppb
2020-09-28Q20383150034.08 ppb
2020-10-21Q204103603124.6 ppb
2020-10-21Q2041036029ND
2020-10-21Q2041036027ND
2020-10-21Q2041036018ND
2020-10-21Q2041036025ND
2020-10-21Q20410360166.32 ppb
2021-06-14Q2115406002ND
2021-06-14Q21154060041.09 ppb
2021-06-14Q21154060053.56 ppb
2021-11-23Q2132764017ND
2021-11-23Q21327640277.80 ppb
2021-11-23Q21327640232.87 ppb
2021-11-23Q2132764021ND
2021-11-23Q213276401923.4 ppb
2021-11-23Q2132764015ND
2021-11-23Q21327640131.71 ppb
2021-11-23Q21327640111.24 ppb
2021-11-23Q2132764009ND
2022-03-09Q2208229006ND
2022-03-09Q22082290082.74 ppb
2022-05-31Q22153440053.70 ppb
2022-05-31Q22153440041.35 ppb
2022-05-31Q2215344001ND
2022-10-20Q22319300036.94 ppb
2022-10-20Q2231930005ND
2022-10-20Q22319300071.84 ppb
2022-10-20Q2231930009ND
2022-10-20Q2231930011ND
2022-10-20Q223193001323.6 ppb
2022-10-20Q22319300153.11 ppb
2023-01-11Q23018060024.06 ppb
2023-08-15Q2334031004ND
2023-08-15Q23340310284.50 ppb
2023-08-15Q23340310261.52 ppb
2023-08-15Q23340310081.96 ppb
2023-08-15Q2334031006ND
2023-10-25Q23460210088.16 ppb
2023-10-25Q2346021010ND
2023-10-25Q2346021012ND
2023-10-25Q234602101416.6 ppb