Know Your Environment. Protect Your Health.

Bromoform

Cairo

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.

 

51

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0688 ppb161ND - 1.10 ppb
20190.0541 ppb171ND - 0.920 ppb
20200.0578 ppb91ND - 0.520 ppb
20210.167 ppb31ND - 0.500 ppb
2022ND30ND
20231.50 ppb330.690 ppb - 1.90 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
2018-02-21AJ84354ND
2018-02-21AJ84353ND
2018-02-21AJ84352ND
2018-02-21AJ84351ND
2018-03-06AJ85164ND
2018-05-15AJ89577ND
2018-05-15AJ89578ND
2018-05-15AJ89580ND
2018-08-21AJ98444ND
2018-08-21AJ98445ND
2018-08-21AJ98446ND
2018-08-21AJ98447ND
2018-11-12AK05767ND
2018-11-12AK057701.10 ppb
2018-11-12AK05769ND
2018-11-12AK05768ND
2019-02-18AK11648ND
2019-02-18AK11647ND
2019-02-18AK11646ND
2019-02-18AK11645ND
2019-05-14AK174280.920 ppb
2019-05-20AK17826ND
2019-05-20AK17825ND
2019-05-20AK17824ND
2019-05-20AK17823ND
2019-08-19AK26742ND
2019-08-19AK26741ND
2019-08-19AK26740ND
2019-08-19AK26739ND
2019-11-18AK36980ND
2019-11-18AK36979ND
2019-11-18AK36978ND
2019-11-18AK36977ND
2020-02-17AK41707ND
2020-02-17AK41706ND
2020-02-17AK41705ND
2020-02-17AK41704ND
2020-05-11AK457520.520 ppb
2020-05-18AK46231ND
2020-05-18AK46230ND
2020-05-18AK46229ND
2020-10-05AK61589ND
2021-05-19AK75517ND
2021-05-19AK75518ND
2021-06-14AK771980.500 ppb
2022-03-21AK97610ND
2022-09-26AL15907ND
2022-09-26AL15908ND
2023-06-19AL340181.90 ppb
2023-06-19AL340191.90 ppb
2023-11-15AL493410.690 ppb