Know Your Environment. Protect Your Health.

Bromoform

Riviera WCID

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.40 ppb21ND - 4.80 ppb
20193.70 ppb221.30 ppb - 6.10 ppb
20200.500 ppb21ND - 1.000 ppb
20213.20 ppb221.10 ppb - 5.30 ppb
20220.550 ppb21ND - 1.10 ppb
2023ND20ND

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
2018-03-06AE169844.80 ppb
2018-08-15AE37183ND
2019-03-14AE584391.30 ppb
2019-07-16AE746166.10 ppb
2020-02-26AF00043ND
2020-05-06AF096431.000 ppb
2021-06-23AF592405.30 ppb
2021-09-23AF710551.10 ppb
2022-01-25AF816941.10 ppb
2022-06-06AF99637ND
2023-05-05AG39545ND
2023-05-05AG39574ND