Know Your Environment. Protect Your Health.

Bromoform

CTWC - Shoreline Region-Guilford 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.

 

164

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND270ND
2019ND260ND
2020ND280ND
2021ND270ND
2022ND300ND
2023ND260ND

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
2018-01-16BZ73485VOC1ND
2018-03-15CA03073TTHMND
2018-03-15CA03074TTHMND
2018-03-15CA03075TTHMND
2018-03-15CA03076TTHMND
2018-03-30CA11464VOC1ND
2018-04-11CA18261VOC1ND
2018-06-26CA80045TTHMND
2018-06-26CA80046TTHMND
2018-06-26CA80047TTHMND
2018-06-26CA80048TTHMND
2018-07-09CA85598VOC1ND
2018-07-17CA91979ND
2018-09-12DBP 200505042ND
2018-09-12DBP 200505043ND
2018-09-12DBP 200505044ND
2018-09-12DBP 200505047ND
2018-09-13VOC1 200505275ND
2018-09-13VOC1 200505276ND
2018-09-13VOC1 200505266ND
2018-09-19VOC1 200506116ND
2018-09-20VOC1 200506324ND
2018-10-25VOC1 200510568ND
2018-12-17DBP 200516235ND
2018-12-17DBP 200516237ND
2018-12-17DBP 200516238ND
2018-12-17DBP 200516239ND
2019-01-30VOC1 200520057ND
2019-03-11DBP 200524150ND
2019-03-11DBP 200524151ND
2019-03-11DBP 200524152ND
2019-03-11DBP 200524154ND
2019-06-14DBP 200536672ND
2019-06-14DBP 200536674ND
2019-06-14DBP 200536680ND
2019-06-14DBP 200536682ND
2019-06-24VOC1 200538005ND
2019-07-08VOC1 200541172ND
2019-07-08VOC1 200539194ND
2019-07-16VOC1 200541091ND
2019-07-16VOC1 200540648ND
2019-07-16VOC1 200540644ND
2019-09-17DBP 200549478ND
2019-09-17DBP 200549479ND
2019-09-17DBP 200549480ND
2019-09-17DBP 200549481ND
2019-09-17VOC1 200549238ND
2019-09-18VOC1 200549465ND
2019-12-10DBP 200559642ND
2019-12-10DBP 200559643ND
2019-12-10DBP 200559644ND
2019-12-10DBP 200559645ND
2019-12-10VOC1 200559663ND
2020-01-14VOC1 200562856ND
2020-01-20VOC1 200563521ND
2020-01-21VOC1 200563515ND
2020-01-30VOC1 200564603ND
2020-02-11VOC1 200565799ND
2020-02-25VOC1 200567276ND
2020-03-03DBP 200567998ND
2020-03-05DBP 200568574ND
2020-03-05DBP 200568575ND
2020-03-05DBP 200568576ND
2020-04-01VOC1 200571017ND
2020-06-16DBP 200579543ND
2020-06-16DBP 200579545ND
2020-06-16DBP 200579546ND
2020-06-16DBP 200579547ND
2020-06-16VOC1 200579533ND
2020-07-14VOC1 200582708ND
2020-07-14VOC1 200582710ND
2020-09-17DBP 200591051ND
2020-09-17DBP 200591052ND
2020-09-17DBP 200591053ND
2020-09-17DBP 200591054ND
2020-10-06VOC1 200592866ND
2020-10-13VOC1 200593765ND
2020-12-22DBP 200602030ND
2020-12-22DBP 200602031ND
2020-12-22DBP 200602032ND
2020-12-22DBP 200602033ND
2021-01-05VOC1 200602753ND
2021-01-06VOC1 200602996ND
2021-01-25VOC1 200604768ND
2021-03-15DBP 200609842ND
2021-03-15DBP 200609843ND
2021-03-15DBP 200609844ND
2021-03-15DBP 200609845ND
2021-06-02DBP 200619263ND
2021-06-02DBP 200619264ND
2021-06-02DBP 200619265ND
2021-06-02DBP 200619266ND
2021-06-07VOC1 200621229ND
2021-06-23VOC1 200622004ND
2021-06-29VOC1 200622710ND
2021-07-12VOC1 200624252ND
2021-07-12VOC1 200624251ND
2021-07-20VOC1 200625447ND
2021-09-14300059734 300059739ND
2021-09-14300059735 300059741ND
2021-09-14300059736 300059743ND
2021-09-14300059737 300059745ND
2021-10-11V300077965 300077966ND
2021-12-06V300113153 300113155ND
2021-12-09D300117672 300117677ND
2021-12-09D300117673 300117679ND
2021-12-09D300117674 300117681ND
2021-12-09D300117675 300117683ND
2022-01-11CK14095ND
2022-01-11CK14105ND
2022-02-28CK76192ND
2022-03-07CK80900ND
2022-03-09CK83519ND
2022-03-09CK83520ND
2022-03-09CK83521ND
2022-03-25CK95230ND
2022-04-18CL11174ND
2022-06-14CL56476ND
2022-06-16CL58844ND
2022-06-16CL58845ND
2022-06-16CL58846ND
2022-06-16CL58847ND
2022-06-22CL62299ND
2022-07-06CL71457ND
2022-07-06CL71463ND
2022-07-26CL89875ND
2022-08-02CL95977ND
2022-08-15CM05635ND
2022-08-29CM17830ND
2022-09-13CM30714ND
2022-09-13CM30695ND
2022-09-13CM30696ND
2022-09-13CM30697ND
2022-12-01CM97587ND
2022-12-01CM97588ND
2022-12-01CM97589ND
2022-12-01CM97590ND
2022-12-19CN08248ND
2023-01-03CN16052ND
2023-01-09CN19603ND
2023-01-10CN20796ND
2023-01-10CN20798ND
2023-02-13CN41858ND
2023-03-22CN66487ND
2023-03-22CN66488ND
2023-03-22CN66489ND
2023-03-22CN66490ND
2023-05-10CO03368ND
2023-06-13CO27277ND
2023-06-15CO31996ND
2023-06-15CO31997ND
2023-06-15CO31998ND
2023-06-15CO31999ND
2023-09-05CO90683ND
2023-09-05CO90684ND
2023-09-05CO90685ND
2023-09-05CO90686ND
2023-09-18CP02429ND
2023-11-28CP55322ND
2023-11-29CP56431ND
2023-12-07CP65078ND
2023-12-07CP65079ND
2023-12-07CP65080ND
2023-12-07CP65081ND