Know Your Environment. Protect Your Health.

Bromoform

City of Puyallup

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.

 

79

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.168 ppb338ND - 0.800 ppb
20190.118 ppb204ND - 0.630 ppb
2020N/A00N/A
20210.0625 ppb81ND - 0.500 ppb
20220.0556 ppb91ND - 0.500 ppb
20230.0922 ppb91ND - 0.830 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
2018-02-06ND
2018-02-06ND
2018-02-06ND
2018-02-060.700 ppb
2018-02-060.800 ppb
2018-02-060.800 ppb
2018-02-06ND
2018-02-06ND
2018-05-03ND
2018-05-03ND
2018-05-03ND
2018-05-03ND
2018-05-03ND
2018-05-03ND
2018-05-03ND
2018-05-030.700 ppb
2018-07-31ND
2018-08-07ND
2018-08-07ND
2018-08-07ND
2018-08-07ND
2018-08-07ND
2018-08-07ND
2018-08-07ND
2018-08-07ND
2018-11-27ND
2018-11-27ND
2018-11-270.750 ppb
2018-11-270.510 ppb
2018-11-27ND
2018-11-270.690 ppb
2018-11-27ND
2018-11-270.610 ppb
2019-02-05ND
2019-02-05ND
2019-02-05ND
2019-02-050.530 ppb
2019-02-05ND
2019-02-05ND
2019-02-05ND
2019-02-05ND
2019-05-090.580 ppb
2019-05-09ND
2019-05-090.630 ppb
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-05-090.610 ppb
2019-05-09ND
2019-08-01ND
2019-08-01ND
2019-11-06ND
2019-11-06ND
2021-02-044073727ND
2021-02-0440737260.500 ppb
2021-04-294109476ND
2021-04-294109475ND
2021-08-054163445ND
2021-08-054163446ND
2021-11-124207531ND
2021-11-124207535ND
2022-02-014241802ND
2022-02-014241801ND
2022-05-104286826ND
2022-05-104286827ND
2022-07-134318713ND
2022-08-114363953ND
2022-08-114363955ND
2022-11-034424241ND
2022-11-0344242370.500 ppb
2023-02-014411905ND
2023-02-014411906ND
2023-05-0244527990.830 ppb
2023-05-024452798ND
2023-08-024505783ND
2023-08-024505780ND
2023-10-304549130ND
2023-11-024548849ND
2023-11-024548850ND