Know Your Environment. Protect Your Health.

Dibromochloromethane

Meriden Water Division

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane 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)

338

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.10 ppb6855ND - 4.20 ppb
20191.61 ppb7063ND - 5.70 ppb
20201.63 ppb6755ND - 5.80 ppb
20211.26 ppb6551ND - 5.80 ppb
20221.90 ppb6661ND - 6.10 ppb
20231.39 ppb6453ND - 5.10 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was 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 and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-18BZ74951VOC1ND
2018-02-08BZ86181TTHM0.650 ppb
2018-02-08BZ86182TTHM0.620 ppb
2018-02-08BZ86183TTHM0.560 ppb
2018-02-08BZ86184TTHMND
2018-02-08BZ86185TTHM1.40 ppb
2018-02-08BZ86186TTHM1.90 ppb
2018-02-08BZ86187TTHM0.690 ppb
2018-02-08BZ86188TTHM1.10 ppb
2018-03-12CA01226TTHM0.900 ppb
2018-03-12CA01227TTHM0.920 ppb
2018-03-12CA01228TTHM0.990 ppb
2018-04-12CA19004TTHM0.930 ppb
2018-04-12CA19005TTHM0.860 ppb
2018-04-12CA19006TTHM0.920 ppb
2018-05-10CA44958TTHM0.840 ppb
2018-05-10CA44959TTHM0.840 ppb
2018-05-10CA44960TTHMND
2018-05-10CA44961TTHMND
2018-05-10CA44962TTHM0.920 ppb
2018-05-10CA44963TTHM1.50 ppb
2018-05-10CA44964TTHM0.620 ppb
2018-05-10CA44965TTHM0.870 ppb
2018-05-17CA49083VOC1ND
2018-06-07CA65949TTHM1.30 ppb
2018-06-07CA65950TTHM1.30 ppb
2018-06-07CA65951TTHM2.50 ppb
2018-07-12CA88491TTHM1.70 ppb
2018-07-12CA88492TTHM1.60 ppb
2018-07-12CA88493TTHM2.70 ppb
2018-07-19CA94410ND
2018-07-19CA944110.950 ppb
2018-07-19CA944120.790 ppb
2018-07-19CA94413ND
2018-07-26CA987190.520 ppb
2018-08-09CB082671.50 ppb
2018-08-09CB082681.40 ppb
2018-08-09CB082691.30 ppb
2018-08-09CB082703.00 ppb
2018-08-09CB082714.20 ppb
2018-08-09CB082723.30 ppb
2018-08-09CB082731.000 ppb
2018-08-09CB082743.10 ppb
2018-08-09CB08263ND
2018-08-23CB174410.600 ppb
2018-09-13CB307171.10 ppb
2018-09-13CB307180.970 ppb
2018-09-13CB307192.30 ppb
2018-09-20CB355081.90 ppb
2018-09-20CB35511ND
2018-09-27CB59877ND
2018-10-11CB698760.960 ppb
2018-10-11CB698770.880 ppb
2018-10-11CB698782.90 ppb
2018-10-11CB69872ND
2018-11-14CB973840.550 ppb
2018-11-14CB973850.520 ppb
2018-11-14CB97386ND
2018-11-14CB973873.00 ppb
2018-11-14CB97371ND
2018-11-20CC026151.80 ppb
2018-11-20CC026160.650 ppb
2018-11-20CC026170.920 ppb
2018-11-20CC026181.60 ppb
2018-12-07CC110540.590 ppb
2018-12-12CC128390.600 ppb
2018-12-12CC128400.590 ppb
2018-12-12CC128412.30 ppb
2019-01-09CC261590.580 ppb
2019-01-09CC261600.630 ppb
2019-01-09CC261611.90 ppb
2019-02-06CC418051.70 ppb
2019-02-13CC514400.800 ppb
2019-02-13CC514410.750 ppb
2019-02-13CC51442ND
2019-02-13CC514430.910 ppb
2019-02-13CC514440.860 ppb
2019-02-13CC514451.20 ppb
2019-02-13CC51446ND
2019-02-13CC514470.730 ppb
2019-03-13CC673360.760 ppb
2019-03-13CC673370.770 ppb
2019-03-13CC673380.790 ppb
2019-04-10CC921731.70 ppb
2019-04-10CC921741.50 ppb
2019-04-10CC921751.10 ppb
2019-04-25CD015510.560 ppb
2019-05-08CD092631.40 ppb
2019-05-08CD092641.50 ppb
2019-05-08CD092650.580 ppb
2019-05-08CD092662.40 ppb
2019-05-08CD092672.90 ppb
2019-05-08CD092683.40 ppb
2019-05-08CD092691.000 ppb
2019-05-08CD092702.20 ppb
2019-05-08CD092720.550 ppb
2019-06-12CD332131.80 ppb
2019-06-12CD332141.80 ppb
2019-06-12CD332152.70 ppb
2019-06-19CD38010ND
2019-06-19CD38011ND
2019-06-19CD38012ND
2019-06-26CD42474ND
2019-06-26CD424750.620 ppb
2019-06-26CD424760.830 ppb
2019-07-10CD535382.10 ppb
2019-07-10CD535392.10 ppb
2019-07-10CD535404.00 ppb
2019-07-10CD535330.580 ppb
2019-08-07CD800980.580 ppb
2019-08-14CD849841.90 ppb
2019-08-14CD849852.10 ppb
2019-08-14CD849861.50 ppb
2019-08-14CD849875.30 ppb
2019-08-14CD849885.50 ppb
2019-08-14CD849893.90 ppb
2019-08-14CD849902.00 ppb
2019-08-14CD849913.80 ppb
2019-09-04CD973700.630 ppb
2019-09-11CE065281.50 ppb
2019-09-11CE065291.40 ppb
2019-09-11CE065305.70 ppb
2019-10-02CE255480.550 ppb
2019-10-09CE299471.20 ppb
2019-10-09CE299481.10 ppb
2019-10-09CE299495.50 ppb
2019-11-06CE552160.570 ppb
2019-11-14CE605701.30 ppb
2019-11-14CE605711.10 ppb
2019-11-14CE60572ND
2019-11-14CE605732.30 ppb
2019-11-14CE605742.20 ppb
2019-11-14CE605753.00 ppb
2019-11-14CE605760.580 ppb
2019-11-14CE605772.90 ppb
2019-12-11CE850821.10 ppb
2019-12-11CE850831.000 ppb
2019-12-11CE850842.80 ppb
2020-01-31CF245390.990 ppb
2020-01-31CF245400.950 ppb
2020-01-31CF245412.50 ppb
2020-02-19CF345030.770 ppb
2020-02-19CF345040.780 ppb
2020-02-19CF34505ND
2020-02-19CF34506ND
2020-02-19CF345073.20 ppb
2020-02-19CF345081.30 ppb
2020-02-19CF34509ND
2020-02-19CF345102.30 ppb
2020-03-16CF508821.10 ppb
2020-03-16CF508831.10 ppb
2020-03-16CF508843.80 ppb
2020-04-08CF704940.990 ppb
2020-04-08CF704951.10 ppb
2020-04-08CF704963.00 ppb
2020-05-20CF984661.50 ppb
2020-05-20CF98467ND
2020-05-20CF984683.50 ppb
2020-05-20CF984691.30 ppb
2020-05-20CF984703.20 ppb
2020-05-21CF994531.20 ppb
2020-05-21CF99454ND
2020-05-21CF994550.500 ppb
2020-06-10CG104801.60 ppb
2020-06-10CG104811.70 ppb
2020-06-10CG104823.80 ppb
2020-06-10CG10479ND
2020-06-17CG16086ND
2020-06-17CG160870.720 ppb
2020-06-17CG160880.930 ppb
2020-07-08CG29532ND
2020-07-15CG342761.70 ppb
2020-07-15CG342771.60 ppb
2020-07-15CG342785.10 ppb
2020-07-29CG432111.60 ppb
2020-07-29CG43212ND
2020-08-12CG523601.90 ppb
2020-08-12CG523611.90 ppb
2020-08-12CG523620.850 ppb
2020-08-12CG523630.820 ppb
2020-08-12CG523645.80 ppb
2020-08-12CG523652.40 ppb
2020-08-12CG523661.20 ppb
2020-08-12CG523674.10 ppb
2020-08-12CG523530.560 ppb
2020-09-09CG731991.90 ppb
2020-09-09CG732001.90 ppb
2020-09-09CG732015.80 ppb
2020-09-30CG88204ND
2020-10-07CG92447ND
2020-10-14CG966901.10 ppb
2020-10-14CG966911.10 ppb
2020-10-14CG966924.80 ppb
2020-11-12CH137490.800 ppb
2020-11-12CH137500.760 ppb
2020-11-12CH137510.540 ppb
2020-11-12CH137523.70 ppb
2020-11-12CH137534.70 ppb
2020-11-12CH137542.40 ppb
2020-11-12CH137550.670 ppb
2020-11-12CH137563.00 ppb
2020-11-12CH13760ND
2020-12-09CH280260.990 ppb
2020-12-09CH280271.000 ppb
2020-12-09CH280280.600 ppb
2021-01-13CH455360.690 ppb
2021-01-13CH455370.680 ppb
2021-01-13CH455381.60 ppb
2021-02-04CH568760.580 ppb
2021-02-04CH568770.550 ppb
2021-02-04CH56878ND
2021-02-04CH56879ND
2021-02-04CH568802.20 ppb
2021-02-04CH568810.880 ppb
2021-02-04CH56882ND
2021-02-04CH568832.10 ppb
2021-03-11CH766530.520 ppb
2021-03-11CH766540.600 ppb
2021-03-11CH766550.570 ppb
2021-04-14CH991061.30 ppb
2021-04-14CH991071.40 ppb
2021-04-14CH991081.10 ppb
2021-04-26CI15487ND
2021-05-05CI237781.30 ppb
2021-05-05CI237791.30 ppb
2021-05-05CI23780ND
2021-05-05CI23781ND
2021-05-05CI237820.600 ppb
2021-05-05CI237831.80 ppb
2021-05-05CI237840.610 ppb
2021-05-05CI237854.00 ppb
2021-05-05CI23774ND
2021-06-09CI51091ND
2021-06-09CI51092ND
2021-06-09CI510930.660 ppb
2021-06-09CI51094ND
2021-06-09CI510952.00 ppb
2021-06-09CI510960.500 ppb
2021-06-14CI54537ND
2021-06-16CI565221.50 ppb
2021-06-16CI565231.50 ppb
2021-06-16CI565243.80 ppb
2021-07-28CI837960.560 ppb
2021-08-09CI933300.580 ppb
2021-08-25CJ135021.50 ppb
2021-08-25CJ135031.50 ppb
2021-08-25CJ135040.740 ppb
2021-08-25CJ135055.60 ppb
2021-08-25CJ135065.80 ppb
2021-08-25CJ135072.00 ppb
2021-08-25CJ135080.850 ppb
2021-08-25CJ135092.70 ppb
2021-08-25CJ13500ND
2021-09-15CJ289641.10 ppb
2021-09-15CJ289651.10 ppb
2021-09-15CJ289662.80 ppb
2021-10-20CJ659190.730 ppb
2021-10-20CJ659200.740 ppb
2021-10-20CJ659212.60 ppb
2021-11-17CJ799300.690 ppb
2021-11-17CJ799310.670 ppb
2021-11-17CJ79932ND
2021-11-17CJ799333.30 ppb
2021-11-17CJ799343.30 ppb
2021-11-17CJ799352.40 ppb
2021-11-17CJ79936ND
2021-11-17CJ799372.00 ppb
2021-12-15CJ985280.870 ppb
2021-12-15CJ985290.840 ppb
2021-12-15CJ985302.30 ppb
2022-01-12CK146210.740 ppb
2022-01-12CK146220.620 ppb
2022-01-12CK146231.50 ppb
2022-02-09CK332350.890 ppb
2022-02-09CK332360.930 ppb
2022-02-09CK332370.580 ppb
2022-02-09CK332383.10 ppb
2022-02-09CK332392.60 ppb
2022-02-09CK332401.70 ppb
2022-02-09CK332410.570 ppb
2022-02-09CK332422.20 ppb
2022-03-09CK829231.20 ppb
2022-03-09CK829241.20 ppb
2022-03-09CK829253.00 ppb
2022-04-13CL077881.40 ppb
2022-04-13CL077891.40 ppb
2022-04-13CL077900.760 ppb
2022-05-19CL341171.80 ppb
2022-05-19CL341181.90 ppb
2022-05-19CL341190.590 ppb
2022-05-19CL34120ND
2022-05-19CL341213.40 ppb
2022-05-19CL341222.10 ppb
2022-05-19CL341230.670 ppb
2022-05-19CL341244.00 ppb
2022-05-25CL38209ND
2022-06-01CL45769ND
2022-06-01CL457700.850 ppb
2022-06-01CL457711.10 ppb
2022-06-01CL457722.20 ppb
2022-06-01CL45773ND
2022-06-15CL568341.70 ppb
2022-06-15CL568351.60 ppb
2022-06-15CL568363.00 ppb
2022-06-22CL618660.570 ppb
2022-06-27CL645550.520 ppb
2022-07-13CL763422.50 ppb
2022-07-13CL763432.60 ppb
2022-07-13CL763444.00 ppb
2022-07-27CL900950.510 ppb
2022-08-10CM016592.40 ppb
2022-08-10CM016602.60 ppb
2022-08-10CM016611.30 ppb
2022-08-10CM016626.10 ppb
2022-08-10CM016636.10 ppb
2022-08-10CM016643.10 ppb
2022-08-10CM016651.30 ppb
2022-08-10CM016664.30 ppb
2022-09-14CM309911.90 ppb
2022-09-14CM309921.90 ppb
2022-09-14CM309935.10 ppb
2022-10-12CM603531.70 ppb
2022-10-12CM603541.50 ppb
2022-10-12CM603553.50 ppb
2022-11-09CM80564ND
2022-11-15CM870464.00 ppb
2022-11-15CM870473.60 ppb
2022-11-15CM870490.660 ppb
2022-11-15CM870502.80 ppb
2022-11-15CM870431.30 ppb
2022-11-15CM870441.30 ppb
2022-11-16CM870450.770 ppb
2022-11-16CM870484.00 ppb
2022-12-21CN096960.960 ppb
2022-12-21CN096970.920 ppb
2022-12-21CN096982.50 ppb
2023-01-11CN211490.790 ppb
2023-01-11CN211500.750 ppb
2023-01-11CN211512.10 ppb
2023-01-30CN32219ND
2023-02-15CN434620.820 ppb
2023-02-15CN434630.750 ppb
2023-02-15CN43464ND
2023-02-15CN43465ND
2023-02-15CN434661.30 ppb
2023-02-15CN434671.60 ppb
2023-02-15CN43468ND
2023-02-15CN434693.60 ppb
2023-03-08CN554340.880 ppb
2023-03-08CN554350.820 ppb
2023-03-08CN554360.730 ppb
2023-03-08CN55431ND
2023-03-13CN58724ND
2023-03-15CN602272.30 ppb
2023-03-15CN60228ND
2023-03-22CN65582ND
2023-04-19CN867450.960 ppb
2023-04-19CN867460.920 ppb
2023-04-19CN867470.690 ppb
2023-05-10CO023170.950 ppb
2023-05-10CO023181.000 ppb
2023-05-10CO02319ND
2023-05-10CO02320ND
2023-05-10CO023210.500 ppb
2023-05-10CO023221.50 ppb
2023-05-10CO02323ND
2023-05-10CO023243.40 ppb
2023-06-14CO277631.000 ppb
2023-06-14CO277641.000 ppb
2023-06-14CO277651.10 ppb
2023-07-12CO486271.60 ppb
2023-07-12CO486281.70 ppb
2023-07-12CO486295.10 ppb
2023-07-17CO519140.640 ppb
2023-07-28CO614740.510 ppb
2023-08-10CO717561.80 ppb
2023-08-10CO717571.80 ppb
2023-08-10CO717580.790 ppb
2023-08-10CO717594.70 ppb
2023-08-10CO717604.90 ppb
2023-08-10CO717613.50 ppb
2023-08-10CO717620.830 ppb
2023-08-10CO717633.90 ppb
2023-09-20CP045491.40 ppb
2023-09-20CP045501.50 ppb
2023-09-20CP045513.10 ppb
2023-10-11CP229901.000 ppb
2023-10-11CP229910.980 ppb
2023-10-11CP229922.70 ppb
2023-11-08CP433900.790 ppb
2023-11-08CP433910.870 ppb
2023-11-08CP433920.510 ppb
2023-11-08CP433932.40 ppb
2023-11-08CP433943.20 ppb
2023-11-08CP433952.10 ppb
2023-11-08CP433960.520 ppb
2023-11-08CP433971.90 ppb
2023-12-13CP665860.870 ppb
2023-12-13CP665870.850 ppb
2023-12-13CP665882.80 ppb