Know Your Environment. Protect Your Health.

Bromoform

City of Bremerton

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.

 

189

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.184 ppb326ND - 2.30 ppb
20190.175 ppb455ND - 3.39 ppb
2020N/A00N/A
20210.0250 ppb402ND - 0.500 ppb
20220.222 ppb369ND - 1.70 ppb
20230.108 ppb363ND - 2.80 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
2018-03-06ND
2018-03-06ND
2018-03-06ND
2018-03-06ND
2018-03-06ND
2018-03-06ND
2018-03-06ND
2018-03-06ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-09-100.500 ppb
2018-09-10ND
2018-09-10ND
2018-09-10ND
2018-09-10ND
2018-09-10ND
2018-09-10ND
2018-09-100.800 ppb
2018-12-030.600 ppb
2018-12-03ND
2018-12-031.000 ppb
2018-12-03ND
2018-12-030.700 ppb
2018-12-03ND
2018-12-03ND
2018-12-032.30 ppb
2019-03-051.000 ppb
2019-03-05ND
2019-03-05ND
2019-03-050.500 ppb
2019-03-05ND
2019-03-05ND
2019-03-05ND
2019-03-052.00 ppb
2019-04-29ND
2019-04-29ND
2019-04-29ND
2019-04-29ND
2019-04-30ND
2019-06-05ND
2019-06-05ND
2019-06-05ND
2019-06-05ND
2019-06-05ND
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-07-30ND
2019-07-30ND
2019-07-30ND
2019-09-101.000 ppb
2019-09-10ND
2019-09-10ND
2019-09-10ND
2019-09-10ND
2019-09-103.39 ppb
2019-09-10ND
2019-09-10ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2021-03-024118041ND
2021-03-024118037ND
2021-03-024118039ND
2021-03-024118035ND
2021-03-024118033ND
2021-03-024118043ND
2021-03-024118029ND
2021-03-024118045ND
2021-03-024118031ND
2021-04-204106990ND
2021-04-204106992ND
2021-04-204106991ND
2021-06-214137279ND
2021-06-214137293ND
2021-06-214137291ND
2021-06-214137285ND
2021-06-214137277ND
2021-06-2141371670.500 ppb
2021-06-214137281ND
2021-06-2141372830.500 ppb
2021-07-124141966ND
2021-08-094159194ND
2021-09-134171590ND
2021-09-134171594ND
2021-09-134171592ND
2021-09-134171596ND
2021-09-134171588ND
2021-09-134171584ND
2021-09-134171582ND
2021-09-134171586ND
2021-09-134169594ND
2021-12-014220394ND
2021-12-014220398ND
2021-12-014220396ND
2021-12-014213369ND
2021-12-014213371ND
2021-12-014213367ND
2021-12-014213365ND
2021-12-014213363ND
2021-12-014213361ND
2022-03-014252863ND
2022-03-014249537ND
2022-03-0142528690.700 ppb
2022-03-014249533ND
2022-03-014252861ND
2022-03-014252865ND
2022-03-014249535ND
2022-03-0142528671.10 ppb
2022-03-014249530ND
2022-06-0143025820.700 ppb
2022-06-014302586ND
2022-06-014302584ND
2022-06-014302656ND
2022-06-014302658ND
2022-06-0143025800.600 ppb
2022-06-0143025590.600 ppb
2022-06-0143025611.20 ppb
2022-06-0143025780.600 ppb
2022-09-074359464ND
2022-09-074344379ND
2022-09-074344377ND
2022-09-074359470ND
2022-09-074359456ND
2022-09-074359472ND
2022-09-0743594601.70 ppb
2022-09-074359467ND
2022-09-074359475ND
2022-12-054385884ND
2022-12-054385893ND
2022-12-054385858ND
2022-12-054385879ND
2022-12-054385847ND
2022-12-054385888ND
2022-12-054385853ND
2022-12-0743893970.800 ppb
2022-12-074389393ND
2023-03-074432433ND
2023-03-074432431ND
2023-03-074432427ND
2023-03-074432429ND
2023-03-074432421ND
2023-03-074432425ND
2023-03-074432423ND
2023-03-214432417ND
2023-03-214432415ND
2023-06-144476508ND
2023-06-144476510ND
2023-06-144476515ND
2023-06-144476523ND
2023-06-144476506ND
2023-06-144476518ND
2023-06-144476520ND
2023-06-144476504ND
2023-06-144476502ND
2023-09-214522650ND
2023-09-214522654ND
2023-09-2145226560.600 ppb
2023-09-214522660ND
2023-09-214522658ND
2023-09-214522652ND
2023-09-214522648ND
2023-09-2145226442.80 ppb
2023-09-214522646ND
2023-12-044559967ND
2023-12-044559940ND
2023-12-0445599540.500 ppb
2023-12-044559978ND
2023-12-044559961ND
2023-12-044559944ND
2023-12-044559949ND
2023-12-044559973ND
2023-12-044559957ND