Know Your Environment. Protect Your Health.

Bromoform

Blanchard Water System

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.

 

134

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND320ND
2019ND320ND
2020ND160ND
2021ND160ND
20220.0588 ppb162ND - 0.550 ppb
2023ND220ND

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
2018-03-2735382529001ND
2018-03-2735382529002ND
2018-03-2735382529003ND
2018-03-2735382529004ND
2018-03-2735382529001ND
2018-03-2735382529002ND
2018-03-2735382529003ND
2018-03-2735382529004ND
2018-06-2235400070001ND
2018-06-2235400070002ND
2018-06-2235400070003ND
2018-06-2235400070004ND
2018-06-2235400070001ND
2018-06-2235400070002ND
2018-06-2235400070003ND
2018-06-2235400070004ND
2018-09-1135417283001ND
2018-09-1135417283002ND
2018-09-1135417283003ND
2018-09-1135417283004ND
2018-09-1135417283001ND
2018-09-1135417283002ND
2018-09-1135417283003ND
2018-09-1135417283004ND
2018-12-0635435843001ND
2018-12-0635435843002ND
2018-12-0635435843003ND
2018-12-0635435843004ND
2018-12-0635435843001ND
2018-12-0635435843002ND
2018-12-0635435843003ND
2018-12-0635435843004ND
2019-03-0135451811001ND
2019-03-0135451811002ND
2019-03-0135451811003ND
2019-03-0135451811004ND
2019-03-0135451811001ND
2019-03-0135451811002ND
2019-03-0135451811003ND
2019-03-0135451811004ND
2019-06-2035477232001ND
2019-06-2035477232002ND
2019-06-2035477232003ND
2019-06-2035477232004ND
2019-06-2035477232001ND
2019-06-2035477232002ND
2019-06-2035477232003ND
2019-06-2035477232004ND
2019-09-1835499049001ND
2019-09-1835499049002ND
2019-09-1835499049003ND
2019-09-1835499049004ND
2019-09-1835499049001ND
2019-09-1835499049002ND
2019-09-1835499049003ND
2019-09-1835499049004ND
2019-12-0235516626001ND
2019-12-0235516626002ND
2019-12-0235516626003ND
2019-12-0235516626004ND
2019-12-0235516626001ND
2019-12-0235516626002ND
2019-12-0235516626003ND
2019-12-0235516626004ND
2020-03-1035537036001ND
2020-03-1035537036002ND
2020-03-1035537036003ND
2020-03-1035537036004ND
2020-06-1135556352001ND
2020-06-1135556352002ND
2020-06-1135556352003ND
2020-06-1135556352004ND
2020-09-1735578995001ND
2020-09-1735578995002ND
2020-09-1735578995003ND
2020-09-1735578995004ND
2020-12-0335596478001ND
2020-12-0335596478002ND
2020-12-0335596478003ND
2020-12-0335596478004ND
2021-03-2435621524001ND
2021-03-2435621524002ND
2021-03-2435621524003ND
2021-03-2435621524004ND
2021-06-1535641485001ND
2021-06-1535641485002ND
2021-06-1535641485003ND
2021-06-1535641485004ND
2021-09-1535664625001ND
2021-09-1535664625002ND
2021-09-1535664625003ND
2021-09-1535664625004ND
2021-12-1635685400001ND
2021-12-1635685400002ND
2021-12-1635685400003ND
2021-12-1635685400004ND
2022-03-0435701449001ND
2022-03-0435701449002ND
2022-03-0435701449003ND
2022-03-0435701449004ND
2022-06-1035724127001ND
2022-06-1035724127002ND
2022-06-1035724127003ND
2022-06-1035724127004ND
2022-09-0135744089001ND
2022-09-0135744089002ND
2022-09-0135744089003ND
2022-09-0135744089004ND
2022-12-12357661390010.390 ppb
2022-12-1235766139002ND
2022-12-12357661390030.550 ppb
2022-12-1235766139004ND
2023-03-1035785308001ND
2023-03-1035785308002ND
2023-03-1035785308003ND
2023-03-1035785308004ND
2023-06-0735805303001ND
2023-06-0735805303002ND
2023-06-0735805303003ND
2023-06-0735805303004ND
2023-06-0735805303005ND
2023-06-0735805303006ND
2023-09-2035829297001ND
2023-09-2035829297002ND
2023-09-2035829297003ND
2023-09-2035829297004ND
2023-09-2035829297005ND
2023-09-2035829297006ND
2023-12-1235848154001ND
2023-12-1235848154002ND
2023-12-1235848154003ND
2023-12-1235848154004ND
2023-12-1235848154005ND
2023-12-1235848154006ND