Know Your Environment. Protect Your Health.

Bromoform

Gold Country Estates

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)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20186.50 ppb21ND - 13.0 ppb
20190.850 ppb21ND - 1.70 ppb
20205.25 ppb222.40 ppb - 8.10 ppb
20211.44 ppb41ND - 5.76 ppb
20223.40 ppb32ND - 9.50 ppb
20230.875 ppb220.550 ppb - 1.20 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
2018-09-14A8I2153-01ND
2018-09-14A8I2153-0213.0 ppb
2019-09-10A9I1710-011.70 ppb
2019-09-10A9I1710-02ND
2020-09-28ADJ0066-012.40 ppb
2020-09-28ADJ0066-028.10 ppb
2021-09-0821090332-01ND
2021-09-0821090332-025.76 ppb
2021-09-0821090340-01ND
2021-09-0821090340-02ND
2022-09-08AFI1334-010.690 ppb
2022-09-08AFI1334-029.50 ppb
2022-12-1222120578-01AND
2023-09-12AGI2073-011.20 ppb
2023-09-12AGI2073-020.550 ppb