Know Your Environment. Protect Your Health.

Bromoform

Shenandoah Road Water District

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.00 ppb112.00 ppb
2019ND10ND
20200.600 ppb110.600 ppb
20210.860 ppb110.860 ppb
20220.993 ppb440.662 ppb - 1.26 ppb
20230.930 ppb110.930 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
2018-09-19420-142912-12.00 ppb
2019-09-20420-160698-1ND
2021-11-17420-211338-10.860 ppb
2022-03-10420-218904-10.662 ppb
2022-06-29420-228039-11.23 ppb
2022-09-28420-236329-1P1.26 ppb
2022-12-2322L3223-01P0.820 ppb
2023-06-27CO38494-P0.930 ppb