Know Your Environment. Protect Your Health.

Bromoform

Reading Area Water Authority

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.

 

194

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND320ND
2019ND320ND
2020ND340ND
20210.0219 ppb321ND - 0.700 ppb
2022ND320ND
2023ND320ND

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
2018-01-028000469-03ND
2018-01-028000469-04ND
2018-01-028000469-05ND
2018-01-028000469-08ND
2018-01-048000469-01ND
2018-01-048000469-02ND
2018-01-048000469-06ND
2018-01-048000469-07ND
2018-04-028007291-03ND
2018-04-028007291-04ND
2018-04-028007291-05ND
2018-04-028007291-08ND
2018-04-058007291-01ND
2018-04-058007291-02ND
2018-04-058007291-06ND
2018-04-058007291-07ND
2018-07-028018983-03ND
2018-07-028018983-04REND
2018-07-028018983-05REND
2018-07-028018983-08ND
2018-07-058018983-01ND
2018-07-058018983-02ND
2018-07-058018983-06ND
2018-07-058018983-07ND
2018-10-018026912-03ND
2018-10-018026912-04ND
2018-10-018026912-05ND
2018-10-018026912-08ND
2018-10-048026912-01ND
2018-10-048026912-02ND
2018-10-048026912-06ND
2018-10-048026912-07ND
2019-01-028037891-03ND
2019-01-028037891-04ND
2019-01-028037891-05ND
2019-01-028037891-08ND
2019-01-038037891-01ND
2019-01-038037891-02ND
2019-01-038037891-06ND
2019-01-038037891-07ND
2019-04-019008754-03ND
2019-04-019008754-05ND
2019-04-019008754-08ND
2019-04-029008754-04ND
2019-04-049008754-01ND
2019-04-049008754-02ND
2019-04-049008754-06ND
2019-04-049008754-07ND
2019-07-019020550-03ND
2019-07-019020550-04ND
2019-07-019020550-05ND
2019-07-019020550-08ND
2019-07-029020550-01ND
2019-07-029020550-02ND
2019-07-029020550-06ND
2019-07-029020550-07ND
2019-10-019033527-03ND
2019-10-019033527-04ND
2019-10-019033527-05ND
2019-10-019033527-08ND
2019-10-039033527-01ND
2019-10-039033527-02ND
2019-10-039033527-06ND
2019-10-039033527-07ND
2020-01-02ND
2020-01-02ND
2020-01-02ND
2020-01-02ND
2020-01-02ND
2020-01-06ND
2020-01-06ND
2020-01-06ND
2020-04-02ND
2020-04-02ND
2020-04-02ND
2020-04-02ND
2020-04-02ND
2020-04-06ND
2020-04-06ND
2020-04-06ND
2020-07-02ND
2020-07-02ND
2020-07-02ND
2020-07-02ND
2020-07-02ND
2020-07-06ND
2020-07-06ND
2020-07-06ND
2020-08-0422843055.00ND
2020-08-04ND
2020-10-01ND
2020-10-01ND
2020-10-01ND
2020-10-01ND
2020-10-01ND
2020-10-05ND
2020-10-05ND
2020-10-05ND
2021-01-04ND
2021-01-04ND
2021-01-04ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-01-06ND
2021-04-01ND
2021-04-01ND
2021-04-01ND
2021-04-01ND
2021-04-01ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-07-01ND
2021-07-01ND
2021-07-010.700 ppb
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-10-04ND
2021-10-04ND
2021-10-04ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2022-01-04ND
2022-01-04ND
2022-01-05ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-10ND
2022-04-04ND
2022-04-04ND
2022-04-04ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-07-05ND
2022-07-06ND
2022-07-06ND
2022-07-07ND
2022-07-07ND
2022-07-07ND
2022-07-07ND
2022-07-07ND
2022-10-04ND
2022-10-04ND
2022-10-05ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2023-01-03ND
2023-01-03ND
2023-01-04ND
2023-01-05ND
2023-01-05ND
2023-01-05ND
2023-01-05ND
2023-01-05ND
2023-04-04ND
2023-04-04ND
2023-04-05ND
2023-04-06ND
2023-04-06ND
2023-04-06ND
2023-04-06ND
2023-04-06ND
2023-07-02ND
2023-07-05ND
2023-07-05ND
2023-07-05ND
2023-07-06ND
2023-07-06ND
2023-07-06ND
2023-07-06ND
2023-10-03ND
2023-10-03ND
2023-10-04ND
2023-10-05ND
2023-10-05ND
2023-10-05ND
2023-10-05ND
2023-10-05ND