Know Your Environment. Protect Your Health.

Bromoform

Leavenworth County Rural Water District 9

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.23 ppb32ND - 1.90 ppb
2019ND40ND
2020ND40ND
20210.680 ppb43ND - 1.20 ppb
20221.04 ppb440.580 ppb - 1.60 ppb
20231.03 ppb440.690 ppb - 1.60 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
2018-02-069070781.80 ppb
2018-05-239742021.90 ppb
2018-07-241011055ND
2019-01-151105958ND
2019-04-091138134ND
2019-07-151203300ND
2019-10-021250953ND
2020-01-131308647ND
2020-04-011348525ND
2020-07-141438972ND
2020-10-131592768ND
2021-01-121739365ND
2021-04-0118061710.520 ppb
2021-07-1918866501.20 ppb
2021-10-0519788551.000 ppb
2022-01-0421044330.590 ppb
2022-04-0522304760.580 ppb
2022-07-0622955511.60 ppb
2022-10-0523711581.40 ppb
2023-01-1124303710.690 ppb
2023-04-0324740230.810 ppb
2023-07-0525280891.60 ppb
2023-10-0225851201.000 ppb