Know Your Environment. Protect Your Health.

Bromoform

Cal Am - Dunnigan

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.30 ppb111.30 ppb
2019ND10ND
2020ND20ND
20210.550 ppb21ND - 1.10 ppb
20221.10 ppb32ND - 1.70 ppb
20230.683 ppb62ND - 2.40 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
2018-07-13CA5700712_DST_018-2018071311351.30 ppb
2019-07-11CA5700712_DST_018-201907111415ND
2020-07-09CA5700712_DST_902-202007091200ND
2020-07-09CA5700712_DST_903-202007091150ND
2021-07-08CA5700712_DST_902-202107080815ND
2021-07-08CA5700712_DST_903-2021070808301.10 ppb
2022-07-12CA5700712_DST_902-2022071209451.60 ppb
2022-07-12CA5700712_DST_903-2022071209401.70 ppb
2022-08-23CA5700712_050_050-202208230900ND
2023-01-17CA5700712_050_050-202301171100ND
2023-05-08CA5700712_050_050-202305081020ND
2023-07-11CA5700712_DST_902-2023071109052.40 ppb
2023-07-11CA5700712_DST_903-2023071108501.70 ppb
2023-08-03CA5700712_050_050-202308031050ND
2023-11-08CA5700712_050_050-202311080940ND