Know Your Environment. Protect Your Health.

Bromoform

CTWC - Unionville System

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.

 

117

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0284 ppb191ND - 0.540 ppb
2019ND180ND
20200.167 ppb214ND - 1.40 ppb
20210.0455 ppb222ND - 0.500 ppb
20220.124 ppb204ND - 0.730 ppb
2023ND170ND

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
2018-01-16BZ73286TTHMND
2018-01-16BZ73287TTHMND
2018-01-16BZ73288TTHMND
2018-01-16BZ73289TTHMND
2018-04-27CA37381TTHMND
2018-04-27CA37382TTHMND
2018-04-27CA37383TTHMND
2018-04-27CA37384TTHMND
2018-07-23CA96742ND
2018-07-23CA96743ND
2018-07-24CA96734ND
2018-07-24CA96735ND
2018-07-24CA96736ND
2018-07-24CA967370.540 ppb
2018-07-31CB01360ND
2018-10-02DBP 200507665ND
2018-10-02DBP 200507666ND
2018-10-02DBP 200507667ND
2018-10-02DBP 200508020ND
2019-01-08DBP 200518130ND
2019-01-08DBP 200518136ND
2019-01-08DBP 200518139ND
2019-01-08DBP 200518143ND
2019-01-29VOC1 200520002ND
2019-01-29VOC1 200519997ND
2019-04-09DBP 200527846ND
2019-04-09DBP 200527847ND
2019-04-09DBP 200527848ND
2019-04-09DBP 200527849ND
2019-07-02DBP 200538986ND
2019-07-02DBP 200538987ND
2019-07-02DBP 200538988ND
2019-07-02DBP 200538989ND
2019-10-08DBP 200552012ND
2019-10-08DBP 200552013ND
2019-10-08DBP 200552014ND
2019-10-08DBP 200552015ND
2020-01-16DBP 200563400ND
2020-01-16DBP 200563401ND
2020-01-16DBP 200563402ND
2020-01-16DBP 200563403ND
2020-04-16DBP 200572917ND
2020-04-16DBP 200572918ND
2020-04-16DBP 200572920ND
2020-04-16DBP 200572922ND
2020-06-25VOC1 200580719ND
2020-07-13DBP 200582481ND
2020-07-13DBP 2005824821.40 ppb
2020-07-13DBP 200582483ND
2020-07-14DBP 200582841ND
2020-08-10VOC1 200585664ND
2020-10-02VOC1 200592466ND
2020-10-02VOC1 200593237ND
2020-10-02VOC1 2005924860.500 ppb
2020-10-19DBP 2005944690.700 ppb
2020-10-20DBP 200594847ND
2020-10-20DBP 2005948480.900 ppb
2020-10-20DBP 200594849ND
2021-01-08DBP 200603410ND
2021-01-08DBP 200603411ND
2021-01-08DBP 200603412ND
2021-01-08DBP 200603413ND
2021-03-02VOC1 200608358ND
2021-03-02VOC1 200608357ND
2021-04-15DBP 200613658ND
2021-04-15DBP 200613659ND
2021-04-15DBP 200613660ND
2021-04-15DBP 200613661ND
2021-06-04VOC1 2006197080.500 ppb
2021-07-15DBP 200625135ND
2021-07-15DBP 200625136ND
2021-07-15DBP 200625137ND
2021-07-15DBP 200625138ND
2021-07-20VOC1 2006254230.500 ppb
2021-07-29DBP 200626678ND
2021-10-11H300079420 300079424ND
2021-10-11H300079421 300079426ND
2021-10-11H300079422 300079428ND
2021-10-11H300079423 300079430ND
2021-10-15V300084253 300084254ND
2022-01-13CK15522ND
2022-01-13CK15523ND
2022-01-13CK15524ND
2022-01-13CK15525ND
2022-01-21CK22680ND
2022-01-21CK22681ND
2022-03-25CK96363ND
2022-04-05CL00751ND
2022-04-08CL06148ND
2022-04-08CL061490.730 ppb
2022-04-08CL061500.600 ppb
2022-04-08CL061510.510 ppb
2022-07-11CL75327ND
2022-07-11CL753280.630 ppb
2022-07-11CL75329ND
2022-07-11CL75330ND
2022-10-07CM58820ND
2022-10-07CM58821ND
2022-10-07CM58822ND
2022-10-07CM58823ND
2023-01-16CN24479ND
2023-01-16CN24480ND
2023-01-16CN24481ND
2023-01-16CN24482ND
2023-04-07CN80790ND
2023-04-07CN80791ND
2023-04-07CN80792ND
2023-04-07CN80793ND
2023-07-18CO53034ND
2023-07-18CO53035ND
2023-07-18CO53036ND
2023-07-18CO53037ND
2023-08-01CO63104ND
2023-10-04CP17811ND
2023-10-04CP17812ND
2023-10-04CP17813ND
2023-10-04CP17814ND