Know Your Environment. Protect Your Health.

Bromoform

Stanhope W Department

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.09 ppb73ND - 4.00 ppb
20192.93 ppb32ND - 7.30 ppb
20202.03 ppb32ND - 4.40 ppb
20213.24 ppb221.47 ppb - 5.01 ppb
20221.25 ppb52ND - 5.11 ppb
20231.21 ppb52ND - 4.59 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
2018-03-12380312079ND
2018-07-103807101832.80 ppb
2018-08-273808270924.00 ppb
2018-08-273808270910.800 ppb
2018-09-25380925167ND
2018-09-25380925169ND
2018-09-25380925168ND
2019-07-10390710242ND
2019-08-153908152177.30 ppb
2019-08-153908152161.50 ppb
2020-07-163116417001ND
2020-08-13200813030-031.70 ppb
2020-08-13200813030-044.40 ppb
2021-08-19210819081-025.01 ppb
2021-08-19210819081-011.47 ppb
2022-03-10220310064-05ND
2022-03-10220310064-04ND
2022-03-10220310064-03ND
2022-08-22220822073-065.11 ppb
2022-08-22220822073-051.15 ppb
2023-08-23230823084-044.59 ppb
2023-08-23230823084-031.46 ppb
2023-12-13231213082-04ND
2023-12-13231213082-06ND
2023-12-13231213082-05ND