Know Your Environment. Protect Your Health.

Bromoform

Woodland City Of

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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

40

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.35 ppb880.930 ppb - 1.60 ppb
20191.86 ppb990.730 ppb - 7.20 ppb
2020N/A00N/A
20210.569 ppb1611ND - 1.40 ppb
20220.256 ppb103ND - 1.10 ppb
20231.44 ppb990.840 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
2018-03-161.40 ppb
2018-03-161.50 ppb
2018-05-021.50 ppb
2018-05-021.30 ppb
2018-08-061.60 ppb
2018-08-061.60 ppb
2018-11-050.950 ppb
2018-11-050.930 ppb
2019-03-282.30 ppb
2019-03-281.90 ppb
2019-05-010.960 ppb
2019-05-011.10 ppb
2019-06-030.750 ppb
2019-08-130.940 ppb
2019-08-130.880 ppb
2019-11-040.730 ppb
2019-11-047.20 ppb
2021-03-2540943241.40 ppb
2021-03-2540943250.890 ppb
2021-03-2540943261.10 ppb
2021-03-2540943270.990 ppb
2021-05-0541138720.560 ppb
2021-05-054113871ND
2021-05-0541138690.540 ppb
2021-05-0541138700.660 ppb
2021-08-0941664800.770 ppb
2021-08-0941664780.710 ppb
2021-08-0941664790.660 ppb
2021-08-0941664810.830 ppb
2021-11-084213212ND
2021-11-084213214ND
2021-11-084213213ND
2021-11-084213215ND
2022-03-1542580280.560 ppb
2022-03-154258029ND
2022-05-194286857ND
2022-05-254287805ND
2022-07-054309402ND
2022-07-054309401ND
2022-07-054309400ND
2022-07-054309399ND
2022-10-1043612991.10 ppb
2022-10-1043613000.900 ppb
2023-02-0644153080.840 ppb
2023-02-0644153091.000 ppb
2023-04-0444367001.50 ppb
2023-04-0444366991.50 ppb
2023-08-0145056271.80 ppb
2023-08-0145056291.60 ppb
2023-08-0145056321.40 ppb
2023-11-0745439801.90 ppb
2023-11-0745439791.40 ppb