Know Your Environment. Protect Your Health.

Bromoform

Paw Penn 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.

 

35

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.43 ppb64ND - 3.00 ppb
20190.550 ppb167ND - 2.90 ppb
20200.517 ppb62ND - 1.80 ppb
20211.000 ppb21ND - 2.00 ppb
20220.633 ppb31ND - 1.90 ppb
20230.850 ppb21ND - 1.70 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
2018-07-05402074013.00 ppb
2018-07-05402075011.90 ppb
2018-10-088102701-032.20 ppb
2018-10-088102701-02ND
2018-10-088102701-04ND
2018-10-088102701-011.50 ppb
2019-01-07424997011.30 ppb
2019-01-07424998011.000 ppb
2019-01-0742498301ND
2019-01-0742498401ND
2019-04-0843658901ND
2019-04-08436587010.800 ppb
2019-04-0843658601ND
2019-04-0843658801ND
2019-07-08450166010.700 ppb
2019-07-0845016501ND
2019-07-0845018401ND
2019-07-08450183012.90 ppb
2019-10-07468322010.500 ppb
2019-10-07468320011.60 ppb
2019-10-0746832101ND
2019-10-0746831901ND
2020-01-061.80 ppb
2020-01-06ND
2020-01-06ND
2020-01-06ND
2020-07-061.30 ppb
2020-10-07ND
2021-07-062.00 ppb
2021-10-06ND
2022-05-05ND
2022-07-051.90 ppb
2022-10-06ND
2023-07-051.70 ppb
2023-10-06ND