Know Your Environment. Protect Your Health.

Dibromochloromethane

Manchester Water Department

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.

 

290

Samples

0

Samples exceeding legal limit (MCL)

234

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.88 ppb4940ND - 9.20 ppb
20191.47 ppb4841ND - 5.20 ppb
20201.44 ppb4837ND - 7.19 ppb
20211.23 ppb4838ND - 6.41 ppb
20221.49 ppb4840ND - 6.75 ppb
20231.31 ppb4938ND - 5.68 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
2018-01-08AA82357-DBP11.60 ppb
2018-01-08AA82358-DBP11.10 ppb
2018-01-08AA82359-DBP10.700 ppb
2018-01-08AA82323-VOC11.10 ppb
2018-01-08AA82328-VOC1ND
2018-01-08AA82329-VOC1ND
2018-01-09AA82360-DBP11.30 ppb
2018-01-09AA82343-DBP11.40 ppb
2018-01-09AA82355-DBP13.40 ppb
2018-01-09AA82356-DBP11.40 ppb
2018-01-09AA82347-VOC1ND
2018-01-09AA82348-VOC10.600 ppb
2018-01-09AA82350-VOC10.600 ppb
2018-01-10AA82378-DBP11.80 ppb
2018-01-10AA82372-VOC1ND
2018-01-10AA82373-VOC1ND
2018-04-10AA83453-VOC10.600 ppb
2018-04-10AA83456-VOC1ND
2018-04-11AA83470-VOC1ND
2018-04-16AA83526-DBP12.40 ppb
2018-04-16AA83527-DBP10.800 ppb
2018-04-17AA83543-DBP12.10 ppb
2018-04-17AA83544-DBP11.60 ppb
2018-04-17AA83545-DBP12.10 ppb
2018-04-17AA83546-DBP11.60 ppb
2018-04-17AA83547-DBP12.10 ppb
2018-04-17AA83548-DBP14.60 ppb
2018-07-16AA84694-DBP11.80 ppb
2018-07-16AA84706-DBP14.10 ppb
2018-07-17AA84723-DBP13.80 ppb
2018-07-17AA84724-DBP19.20 ppb
2018-07-17AA84725-DBP13.70 ppb
2018-07-17AA84726-DBP13.20 ppb
2018-07-17AA84727-DBP14.10 ppb
2018-07-17AA84729-DBP13.70 ppb
2018-07-17AA84728-VOC10.800 ppb
2018-07-18AA84742-VOC10.700 ppb
2018-07-18AA84743-VOC1ND
2018-10-15AA85872-DBP16.90 ppb
2018-10-15AA85873-DBP12.10 ppb
2018-10-15AA85874-DBP13.60 ppb
2018-10-15AA85924-DBP11.50 ppb
2018-10-16AA85880-DBP11.40 ppb
2018-10-16AA85882-DBP11.50 ppb
2018-10-16AA85893-DBP13.00 ppb
2018-10-16AA85887-VOC10.700 ppb
2018-10-17AA85906-VOC10.700 ppb
2018-10-17AA85907-VOC1ND
2018-10-18AA85923-DBP12.70 ppb
2019-01-14AA86944-DBP11.80 ppb
2019-01-14AA86945-DBP11.20 ppb
2019-01-15AA86953-DBP11.60 ppb
2019-01-15AA86960-DBP11.80 ppb
2019-01-15AA86961-DBP11.60 ppb
2019-01-15AA86962-DBP13.10 ppb
2019-01-15AA86956-VOC1ND
2019-01-15AA86957-VOC10.610 ppb
2019-01-16AA86968-DBP10.640 ppb
2019-01-16AA86978-DBP11.90 ppb
2019-01-16AA86968-VOC10.630 ppb
2019-01-16AA86974-VOC10.530 ppb
2019-01-16AA86975-VOC1ND
2019-01-17AA86989-VOC1ND
2019-01-17AA86990-VOC1ND
2019-04-15AA88012-DBP10.890 ppb
2019-04-15AA88021-DBP11.68 ppb
2019-04-15AA88022-DBP11.85 ppb
2019-04-15AA88023-DBP12.34 ppb
2019-04-15AA88024-DBP13.17 ppb
2019-04-15AA88025-DBP12.14 ppb
2019-04-17AA88059-DBP12.94 ppb
2019-04-17AA88060-DBP11.92 ppb
2019-04-23AA88123-VOC10.620 ppb
2019-04-24AA88139-VOC11.01 ppb
2019-04-24AA88140-VOC1ND
2019-07-08AA89073-VOC10.690 ppb
2019-07-08AA89074-VOC10.620 ppb
2019-07-10AA89110-VOC1ND
2019-07-15AA89173-DBP11.32 ppb
2019-07-15AA89174-DBP15.20 ppb
2019-07-15AA89175-DBP11.99 ppb
2019-07-15AA89176-DBP11.85 ppb
2019-07-15AA89177-DBP11.53 ppb
2019-07-16AA89183-DBP10.810 ppb
2019-07-16AA89193-DBP11.36 ppb
2019-07-16AA89194-DBP12.04 ppb
2019-10-08AA90268-VOC10.590 ppb
2019-10-09AA90285-VOC10.690 ppb
2019-10-09AA90287-VOC1ND
2019-10-15AA90342-DBP10.800 ppb
2019-10-15AA90344-DBP11.88 ppb
2019-10-15AA90353-DBP12.34 ppb
2019-10-15AA90354-DBP12.30 ppb
2019-10-15AA90355-DBP15.12 ppb
2019-10-15AA90356-DBP11.95 ppb
2019-10-15AA90357-DBP11.50 ppb
2019-10-15AA90358-DBP12.21 ppb
2020-01-13AA91414-DBP11.06 ppb
2020-01-13AA91415-DBP14.13 ppb
2020-01-13AA91416-DBP11.000 ppb
2020-01-14AA91431-DBP10.940 ppb
2020-01-14AA91436-DBP11.04 ppb
2020-01-14AA91437-DBP11.53 ppb
2020-01-15AA91452-DBP1ND
2020-01-15AA91455-DBP11.22 ppb
2020-01-21AA91524-VOC1ND
2020-01-21AA91525-VOC1ND
2020-01-21AA91522-VOC1ND
2020-01-21AA91523-VOC10.600 ppb
2020-01-21AA91526-VOC10.560 ppb
2020-01-22AA91540-VOC1ND
2020-01-23AA91552-VOC1ND
2020-04-14AA92514-DBP10.910 ppb
2020-04-14AA92515-DBP10.540 ppb
2020-04-14AA92517-DBP11.03 ppb
2020-04-14AA92529-DBP11.16 ppb
2020-04-14AA92530-DBP11.000 ppb
2020-04-14AA92531-DBP15.37 ppb
2020-04-14AA92532-DBP11.29 ppb
2020-04-14AA92522-VOC1ND
2020-04-14AA92524-VOC10.660 ppb
2020-04-15AA92551-DBP11.21 ppb
2020-04-15AA92546-VOC1ND
2020-07-07AA93640-VOC10.660 ppb
2020-07-07AA93643-VOC10.550 ppb
2020-07-07AA93644-VOC1ND
2020-07-14AA93734-DBP10.960 ppb
2020-07-14AA93738-DBP11.31 ppb
2020-07-14AA93739-DBP14.50 ppb
2020-07-14AA93740-DBP11.48 ppb
2020-07-14AA93741-DBP11.62 ppb
2020-07-14AA93742-DBP11.12 ppb
2020-07-15AA93758-DBP10.770 ppb
2020-07-15AA93771-DBP11.85 ppb
2020-10-05AA95052-DBP12.31 ppb
2020-10-05AA95050-DBP13.76 ppb
2020-10-05AA95051-DBP12.54 ppb
2020-10-05AA95053-DBP12.86 ppb
2020-10-05AA95054-DBP17.19 ppb
2020-10-06AA95060-DBP11.44 ppb
2020-10-06AA95062-DBP12.90 ppb
2020-10-07AA95096-DBP15.63 ppb
2020-10-13AA95168-VOC10.560 ppb
2020-10-14AA95186-VOC1ND
2020-10-14AA95187-VOC1ND
2021-01-12210112-2-02 TTHM1.47 ppb
2021-01-12210112-5-01TTHM1.18 ppb
2021-01-12210112-5-02TTHM1.70 ppb
2021-01-12210112-3-04 VOC0.590 ppb
2021-01-13210113-2-02 TTHM1.24 ppb
2021-01-13210113-4-01TTHM1.15 ppb
2021-01-13210113-4-02TTHM1.92 ppb
2021-01-14210114-4-01TTHM3.68 ppb
2021-01-14210114-4-02TTHM0.650 ppb
2021-01-20210120-3-05 VOCND
2021-01-20210120-3-06 VOCND
2021-04-05210405-4-01TTHM1.54 ppb
2021-04-05210405-4-02TTHM1.11 ppb
2021-04-06210406-4-01TTHM4.38 ppb
2021-04-06210406-4-02TTHM1.45 ppb
2021-04-06210406-4-03TTHM1.46 ppb
2021-04-06210406-4-04TTHM1.48 ppb
2021-04-07210407-5-01TTHM0.550 ppb
2021-04-09210409-3-01TTHM1.08 ppb
2021-04-12210412-3-01VOCND
2021-04-12210412-3-02 VOCND
2021-04-12210412-3-04 VOC0.630 ppb
2021-04-12210412-3-05 VOC0.600 ppb
2021-04-13210413-3-03 VOCND
2021-04-14210414-1-06VOCND
2021-04-14210414-3-06VOCND
2021-07-13210713-4-01TTHM1.03 ppb
2021-07-13210713-4-02TTHM6.41 ppb
2021-07-13210713-4-03TTHM0.700 ppb
2021-07-13210713-4-04TTHM1.69 ppb
2021-07-13210713-4-05TTHM1.32 ppb
2021-07-13210713-4-06TTHM1.09 ppb
2021-07-13210713-4-07TTHM1.43 ppb
2021-07-14210714-1-06 TTHMND
2021-07-14210714-3-04 VOC0.850 ppb
2021-07-14210714-3-05 VOC0.770 ppb
2021-07-14210714-3-06 VOCND
2021-10-05211005-4-01TTHM0.600 ppb
2021-10-05211005-4-02TTHM1.09 ppb
2021-10-05211005-4-03TTHM0.990 ppb
2021-10-06211006-4-01TTHM1.37 ppb
2021-10-06211006-4-02TTHM6.39 ppb
2021-10-06211006-4-03TTHM0.940 ppb
2021-10-06211006-4-04TTHM1.72 ppb
2021-10-07211007-4-01TTHM1.56 ppb
2021-10-12211012-3-04 VOC0.700 ppb
2021-10-12211012-3-05 VOC0.640 ppb
2021-10-13211013-3-06 VOCND
2022-01-04220104-3-04 VOC0.680 ppb
2022-01-05220105-3-05 VOC0.730 ppb
2022-01-05220105-3-06 VOCND
2022-01-10220110-4-01TTHMND
2022-01-10220110-4-02TTHM0.940 ppb
2022-01-11220111-4-01TTHM1.44 ppb
2022-01-11220111-4-02TTHM1.08 ppb
2022-01-11220111-4-03TTHM1.16 ppb
2022-01-11220111-4-04TTHM1.20 ppb
2022-01-11220111-4-05TTHM1.88 ppb
2022-01-11220111-4-06TTHM3.86 ppb
2022-04-05220405-2-02 TTHM0.930 ppb
2022-04-05220405-4-01TTHM1.62 ppb
2022-04-05220405-4-02TTHM1.85 ppb
2022-04-05220405-4-03TTHM1.37 ppb
2022-04-05220405-4-04TTHM1.76 ppb
2022-04-05220405-4-05TTHM4.39 ppb
2022-04-05220405-4-06TTHM1.48 ppb
2022-04-05220405-4-07TTHM0.630 ppb
2022-04-13220413-3-04 VOC0.710 ppb
2022-04-13220413-3-05 VOC0.680 ppb
2022-04-13220413-3-06 VOCND
2022-07-06220706-3-05VOC0.670 ppb
2022-07-06220706-4-01VOCND
2022-07-12220712-5-01TTHM1.89 ppb
2022-07-12220712-5-02TTHM6.75 ppb
2022-07-12220712-5-03TTHM1.69 ppb
2022-07-12220712-5-04TTHM2.32 ppb
2022-07-12220712-5-05TTHM2.28 ppb
2022-07-12220712-5-06TTHM1.39 ppb
2022-07-12220712-5-07TTHM2.37 ppb
2022-07-12220712-5-08TTHM0.870 ppb
2022-07-18220718-3-01VOCND
2022-07-18220718-3-02 VOCND
2022-07-19220719-1-06 VOC1.01 ppb
2022-07-19220719-3-03 VOCND
2022-07-19220719-3-04 VOC0.980 ppb
2022-10-04221004-4-01TTHM1.87 ppb
2022-10-04221004-4-02TTHM3.18 ppb
2022-10-04221004-4-03TTHM5.69 ppb
2022-10-04221004-4-04TTHM1.79 ppb
2022-10-04221004-4-05TTHM2.63 ppb
2022-10-04221004-4-06TTHM2.52 ppb
2022-10-04221004-4-07TTHM1.15 ppb
2022-10-05221005-5-01TTHM0.960 ppb
2022-10-11221011-3-04 VOC0.630 ppb
2022-10-12221012-3-05 VOC0.510 ppb
2022-10-12221012-3-06 VOCND
2023-01-09230109-5-01TTHM3.28 ppb
2023-01-09230109-5-02TTHM2.25 ppb
2023-01-10230110-5-01TTHM1.23 ppb
2023-01-10230110-5-02TTHM2.39 ppb
2023-01-10230110-5-03TTHM4.79 ppb
2023-01-10230110-5-04TTHM2.48 ppb
2023-01-10230110-5-05TTHM2.68 ppb
2023-01-12230112-4-01TTHM1.11 ppb
2023-01-17230117-3-03 VOCND
2023-01-17230117-3-04 VOC0.740 ppb
2023-01-19230119-3-06 VOCND
2023-01-31230131-3-07VOC0.600 ppb
2023-04-03230403-3-05VOC0.640 ppb
2023-04-04230404-3-06VOCND
2023-04-05230405-3-04VOC0.650 ppb
2023-04-11230411-8-01TTHM0.710 ppb
2023-04-11230413-4-01TTHM0.810 ppb
2023-04-11230413-4-02TTHM1.04 ppb
2023-04-12230414-3-01TTHM1.36 ppb
2023-04-12230414-3-02TTHMND
2023-04-12230414-3-03TTHM4.56 ppb
2023-04-12230414-3-04TTHM1.18 ppb
2023-04-13230413-4-03TTHM0.510 ppb
2023-07-10230710-5-01TTHM1.36 ppb
2023-07-10230710-5-02TTHM0.610 ppb
2023-07-11230711-4-01TTHM2.21 ppb
2023-07-11230711-4-02TTHM0.990 ppb
2023-07-11230711-4-03TTHM2.04 ppb
2023-07-11230711-4-04TTHM5.68 ppb
2023-07-11230711-4-05TTHM1.83 ppb
2023-07-11230711-4-06TTHM1.01 ppb
2023-07-17230717-3-01VOCND
2023-07-17230717-3-02 VOCND
2023-07-17230717-3-03 VOCND
2023-07-17230717-3-04 VOC0.840 ppb
2023-07-17230717-3-05 VOC0.730 ppb
2023-07-19230719-3-06 VOCND
2023-09-07230907-1-06VOC0.680 ppb
2023-10-02231002-3-04VOC0.710 ppb
2023-10-02231002-3-05VOC0.720 ppb
2023-10-04231004-3-06VOCND
2023-10-10231010-5-01TTHM1.46 ppb
2023-10-10231010-5-02TTHM1.11 ppb
2023-10-10231010-5-03TTHM1.30 ppb
2023-10-10231010-5-04TTHM0.920 ppb
2023-10-11231011-4-01TTHMND
2023-10-11231011-4-02TTHM1.34 ppb
2023-10-11231011-4-03TTHM5.41 ppb
2023-10-11231011-4-04TTHMND