Know Your Environment. Protect Your Health.

Bromoform

Meriden Water Division

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.

 

400

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.00838 ppb681ND - 0.570 ppb
20190.0734 ppb708ND - 0.800 ppb
20200.0372 ppb674ND - 0.760 ppb
20210.0174 ppb652ND - 0.570 ppb
20220.0389 ppb664ND - 0.740 ppb
20230.0161 ppb642ND - 0.520 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
2018-01-18BZ74951VOC1ND
2018-02-08BZ86181TTHMND
2018-02-08BZ86182TTHMND
2018-02-08BZ86183TTHMND
2018-02-08BZ86184TTHMND
2018-02-08BZ86185TTHMND
2018-02-08BZ86186TTHMND
2018-02-08BZ86187TTHMND
2018-02-08BZ86188TTHMND
2018-03-12CA01226TTHMND
2018-03-12CA01227TTHMND
2018-03-12CA01228TTHMND
2018-04-12CA19004TTHMND
2018-04-12CA19005TTHMND
2018-04-12CA19006TTHMND
2018-05-10CA44958TTHMND
2018-05-10CA44959TTHMND
2018-05-10CA44960TTHMND
2018-05-10CA44961TTHMND
2018-05-10CA44962TTHMND
2018-05-10CA44963TTHMND
2018-05-10CA44964TTHMND
2018-05-10CA44965TTHMND
2018-05-17CA49083VOC1ND
2018-06-07CA65949TTHMND
2018-06-07CA65950TTHMND
2018-06-07CA65951TTHMND
2018-07-12CA88491TTHMND
2018-07-12CA88492TTHMND
2018-07-12CA88493TTHMND
2018-07-19CA94410ND
2018-07-19CA94411ND
2018-07-19CA94412ND
2018-07-19CA94413ND
2018-07-26CA98719ND
2018-08-09CB08267ND
2018-08-09CB08268ND
2018-08-09CB08269ND
2018-08-09CB08270ND
2018-08-09CB082710.570 ppb
2018-08-09CB08272ND
2018-08-09CB08273ND
2018-08-09CB08274ND
2018-08-09CB08263ND
2018-08-23CB17441ND
2018-09-13CB30717ND
2018-09-13CB30718ND
2018-09-13CB30719ND
2018-09-20CB35508ND
2018-09-20CB35511ND
2018-09-27CB59877ND
2018-10-11CB69876ND
2018-10-11CB69877ND
2018-10-11CB69878ND
2018-10-11CB69872ND
2018-11-14CB97384ND
2018-11-14CB97385ND
2018-11-14CB97386ND
2018-11-14CB97387ND
2018-11-14CB97371ND
2018-11-20CC02615ND
2018-11-20CC02616ND
2018-11-20CC02617ND
2018-11-20CC02618ND
2018-12-07CC11054ND
2018-12-12CC12839ND
2018-12-12CC12840ND
2018-12-12CC12841ND
2019-01-09CC26159ND
2019-01-09CC26160ND
2019-01-09CC26161ND
2019-02-06CC41805ND
2019-02-13CC51440ND
2019-02-13CC51441ND
2019-02-13CC51442ND
2019-02-13CC51443ND
2019-02-13CC51444ND
2019-02-13CC51445ND
2019-02-13CC51446ND
2019-02-13CC51447ND
2019-03-13CC67336ND
2019-03-13CC67337ND
2019-03-13CC67338ND
2019-04-10CC92173ND
2019-04-10CC92174ND
2019-04-10CC92175ND
2019-04-25CD01551ND
2019-05-08CD09263ND
2019-05-08CD09264ND
2019-05-08CD09265ND
2019-05-08CD09266ND
2019-05-08CD09267ND
2019-05-08CD092680.570 ppb
2019-05-08CD09269ND
2019-05-08CD09270ND
2019-05-08CD09272ND
2019-06-12CD33213ND
2019-06-12CD33214ND
2019-06-12CD33215ND
2019-06-19CD38010ND
2019-06-19CD38011ND
2019-06-19CD38012ND
2019-06-26CD42474ND
2019-06-26CD42475ND
2019-06-26CD42476ND
2019-07-10CD53538ND
2019-07-10CD53539ND
2019-07-10CD53540ND
2019-07-10CD53533ND
2019-08-07CD80098ND
2019-08-14CD84984ND
2019-08-14CD84985ND
2019-08-14CD84986ND
2019-08-14CD849870.610 ppb
2019-08-14CD849880.600 ppb
2019-08-14CD849890.760 ppb
2019-08-14CD84990ND
2019-08-14CD849910.800 ppb
2019-09-04CD97370ND
2019-09-11CE06528ND
2019-09-11CE06529ND
2019-09-11CE065300.590 ppb
2019-10-02CE25548ND
2019-10-09CE29947ND
2019-10-09CE29948ND
2019-10-09CE29949ND
2019-11-06CE55216ND
2019-11-14CE60570ND
2019-11-14CE60571ND
2019-11-14CE60572ND
2019-11-14CE60573ND
2019-11-14CE60574ND
2019-11-14CE605750.610 ppb
2019-11-14CE60576ND
2019-11-14CE605770.600 ppb
2019-12-11CE85082ND
2019-12-11CE85083ND
2019-12-11CE85084ND
2020-01-31CF24539ND
2020-01-31CF24540ND
2020-01-31CF24541ND
2020-02-19CF34503ND
2020-02-19CF34504ND
2020-02-19CF34505ND
2020-02-19CF34506ND
2020-02-19CF34507ND
2020-02-19CF34508ND
2020-02-19CF34509ND
2020-02-19CF34510ND
2020-03-16CF50882ND
2020-03-16CF50883ND
2020-03-16CF50884ND
2020-04-08CF70494ND
2020-04-08CF70495ND
2020-04-08CF70496ND
2020-05-20CF98466ND
2020-05-20CF98467ND
2020-05-20CF98468ND
2020-05-20CF98469ND
2020-05-20CF98470ND
2020-05-21CF99453ND
2020-05-21CF99454ND
2020-05-21CF99455ND
2020-06-10CG10480ND
2020-06-10CG10481ND
2020-06-10CG10482ND
2020-06-10CG10479ND
2020-06-17CG16086ND
2020-06-17CG16087ND
2020-06-17CG16088ND
2020-07-08CG29532ND
2020-07-15CG34276ND
2020-07-15CG34277ND
2020-07-15CG34278ND
2020-07-29CG43211ND
2020-07-29CG43212ND
2020-08-12CG52360ND
2020-08-12CG52361ND
2020-08-12CG52362ND
2020-08-12CG52363ND
2020-08-12CG523640.560 ppb
2020-08-12CG52365ND
2020-08-12CG52366ND
2020-08-12CG52367ND
2020-08-12CG52353ND
2020-09-09CG73199ND
2020-09-09CG73200ND
2020-09-09CG732010.760 ppb
2020-09-30CG88204ND
2020-10-07CG92447ND
2020-10-14CG96690ND
2020-10-14CG96691ND
2020-10-14CG966920.620 ppb
2020-11-12CH13749ND
2020-11-12CH13750ND
2020-11-12CH13751ND
2020-11-12CH13752ND
2020-11-12CH137530.550 ppb
2020-11-12CH13754ND
2020-11-12CH13755ND
2020-11-12CH13756ND
2020-11-12CH13760ND
2020-12-09CH28026ND
2020-12-09CH28027ND
2020-12-09CH28028ND
2021-01-13CH45536ND
2021-01-13CH45537ND
2021-01-13CH45538ND
2021-02-04CH56876ND
2021-02-04CH56877ND
2021-02-04CH56878ND
2021-02-04CH56879ND
2021-02-04CH56880ND
2021-02-04CH56881ND
2021-02-04CH56882ND
2021-02-04CH56883ND
2021-03-11CH76653ND
2021-03-11CH76654ND
2021-03-11CH76655ND
2021-04-14CH99106ND
2021-04-14CH99107ND
2021-04-14CH99108ND
2021-04-26CI15487ND
2021-05-05CI23778ND
2021-05-05CI23779ND
2021-05-05CI23780ND
2021-05-05CI23781ND
2021-05-05CI23782ND
2021-05-05CI23783ND
2021-05-05CI23784ND
2021-05-05CI23785ND
2021-05-05CI23774ND
2021-06-09CI51091ND
2021-06-09CI51092ND
2021-06-09CI51093ND
2021-06-09CI51094ND
2021-06-09CI51095ND
2021-06-09CI51096ND
2021-06-14CI54537ND
2021-06-16CI56522ND
2021-06-16CI56523ND
2021-06-16CI56524ND
2021-07-28CI83796ND
2021-08-09CI93330ND
2021-08-25CJ13502ND
2021-08-25CJ13503ND
2021-08-25CJ13504ND
2021-08-25CJ135050.560 ppb
2021-08-25CJ135060.570 ppb
2021-08-25CJ13507ND
2021-08-25CJ13508ND
2021-08-25CJ13509ND
2021-08-25CJ13500ND
2021-09-15CJ28964ND
2021-09-15CJ28965ND
2021-09-15CJ28966ND
2021-10-20CJ65919ND
2021-10-20CJ65920ND
2021-10-20CJ65921ND
2021-11-17CJ79930ND
2021-11-17CJ79931ND
2021-11-17CJ79932ND
2021-11-17CJ79933ND
2021-11-17CJ79934ND
2021-11-17CJ79935ND
2021-11-17CJ79936ND
2021-11-17CJ79937ND
2021-12-15CJ98528ND
2021-12-15CJ98529ND
2021-12-15CJ98530ND
2022-01-12CK14621ND
2022-01-12CK14622ND
2022-01-12CK14623ND
2022-02-09CK33235ND
2022-02-09CK33236ND
2022-02-09CK33237ND
2022-02-09CK33238ND
2022-02-09CK33239ND
2022-02-09CK33240ND
2022-02-09CK33241ND
2022-02-09CK33242ND
2022-03-09CK82923ND
2022-03-09CK82924ND
2022-03-09CK82925ND
2022-04-13CL07788ND
2022-04-13CL07789ND
2022-04-13CL07790ND
2022-05-19CL34117ND
2022-05-19CL34118ND
2022-05-19CL34119ND
2022-05-19CL34120ND
2022-05-19CL34121ND
2022-05-19CL34122ND
2022-05-19CL34123ND
2022-05-19CL34124ND
2022-05-25CL38209ND
2022-06-01CL45769ND
2022-06-01CL45770ND
2022-06-01CL45771ND
2022-06-01CL45772ND
2022-06-01CL45773ND
2022-06-15CL56834ND
2022-06-15CL56835ND
2022-06-15CL56836ND
2022-06-22CL61866ND
2022-06-27CL64555ND
2022-07-13CL76342ND
2022-07-13CL76343ND
2022-07-13CL76344ND
2022-07-27CL90095ND
2022-08-10CM01659ND
2022-08-10CM01660ND
2022-08-10CM01661ND
2022-08-10CM016620.670 ppb
2022-08-10CM016630.660 ppb
2022-08-10CM01664ND
2022-08-10CM01665ND
2022-08-10CM01666ND
2022-09-14CM30991ND
2022-09-14CM30992ND
2022-09-14CM30993ND
2022-10-12CM60353ND
2022-10-12CM60354ND
2022-10-12CM60355ND
2022-11-09CM80564ND
2022-11-15CM87043ND
2022-11-15CM87044ND
2022-11-15CM87046ND
2022-11-15CM870470.500 ppb
2022-11-15CM87049ND
2022-11-15CM87050ND
2022-11-16CM870480.740 ppb
2022-11-16CM87045ND
2022-12-21CN09696ND
2022-12-21CN09697ND
2022-12-21CN09698ND
2023-01-11CN21149ND
2023-01-11CN21150ND
2023-01-11CN21151ND
2023-01-30CN32219ND
2023-02-15CN43462ND
2023-02-15CN43463ND
2023-02-15CN43464ND
2023-02-15CN43465ND
2023-02-15CN43466ND
2023-02-15CN43467ND
2023-02-15CN43468ND
2023-02-15CN43469ND
2023-03-08CN55434ND
2023-03-08CN55435ND
2023-03-08CN55436ND
2023-03-08CN55431ND
2023-03-13CN58724ND
2023-03-15CN60227ND
2023-03-15CN60228ND
2023-03-22CN65582ND
2023-04-19CN86745ND
2023-04-19CN86746ND
2023-04-19CN86747ND
2023-05-10CO02317ND
2023-05-10CO02318ND
2023-05-10CO02319ND
2023-05-10CO02320ND
2023-05-10CO02321ND
2023-05-10CO02322ND
2023-05-10CO02323ND
2023-05-10CO02324ND
2023-06-14CO27763ND
2023-06-14CO27764ND
2023-06-14CO27765ND
2023-07-12CO48627ND
2023-07-12CO48628ND
2023-07-12CO486290.510 ppb
2023-07-17CO51914ND
2023-07-28CO61474ND
2023-08-10CO71756ND
2023-08-10CO71757ND
2023-08-10CO71758ND
2023-08-10CO717590.520 ppb
2023-08-10CO71760ND
2023-08-10CO71761ND
2023-08-10CO71762ND
2023-08-10CO71763ND
2023-09-20CP04549ND
2023-09-20CP04550ND
2023-09-20CP04551ND
2023-10-11CP22990ND
2023-10-11CP22991ND
2023-10-11CP22992ND
2023-11-08CP43390ND
2023-11-08CP43391ND
2023-11-08CP43392ND
2023-11-08CP43393ND
2023-11-08CP43394ND
2023-11-08CP43395ND
2023-11-08CP43396ND
2023-11-08CP43397ND
2023-12-13CP66586ND
2023-12-13CP66587ND
2023-12-13CP66588ND