Know Your Environment. Protect Your Health.

Bromodichloromethane

Manchester Water Department

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

196

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.03 ppb4934ND - 11.0 ppb
20193.88 ppb4833ND - 13.5 ppb
20204.57 ppb4833ND - 19.5 ppb
20213.73 ppb4832ND - 9.45 ppb
20224.43 ppb4833ND - 12.8 ppb
20233.83 ppb4931ND - 13.4 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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-DBP17.60 ppb
2018-01-08AA82358-DBP14.80 ppb
2018-01-08AA82359-DBP12.20 ppb
2018-01-08AA82323-VOC12.40 ppb
2018-01-08AA82328-VOC1ND
2018-01-08AA82329-VOC1ND
2018-01-09AA82343-DBP13.30 ppb
2018-01-09AA82355-DBP15.70 ppb
2018-01-09AA82356-DBP15.20 ppb
2018-01-09AA82360-DBP14.80 ppb
2018-01-09AA82347-VOC1ND
2018-01-09AA82348-VOC1ND
2018-01-09AA82350-VOC1ND
2018-01-10AA82378-DBP16.60 ppb
2018-01-10AA82372-VOC10.600 ppb
2018-01-10AA82373-VOC1ND
2018-04-10AA83453-VOC1ND
2018-04-10AA83456-VOC1ND
2018-04-11AA83470-VOC1ND
2018-04-16AA83526-DBP16.10 ppb
2018-04-16AA83527-DBP11.30 ppb
2018-04-17AA83543-DBP15.10 ppb
2018-04-17AA83544-DBP12.90 ppb
2018-04-17AA83545-DBP15.40 ppb
2018-04-17AA83546-DBP13.50 ppb
2018-04-17AA83547-DBP14.20 ppb
2018-04-17AA83548-DBP15.30 ppb
2018-07-16AA84694-DBP13.30 ppb
2018-07-16AA84706-DBP110.00 ppb
2018-07-17AA84723-DBP18.40 ppb
2018-07-17AA84724-DBP110.00 ppb
2018-07-17AA84725-DBP18.30 ppb
2018-07-17AA84726-DBP16.00 ppb
2018-07-17AA84727-DBP111.0 ppb
2018-07-17AA84729-DBP18.70 ppb
2018-07-17AA84728-VOC1ND
2018-07-18AA84742-VOC1ND
2018-07-18AA84743-VOC1ND
2018-10-15AA85924-DBP15.90 ppb
2018-10-15AA85872-DBP18.60 ppb
2018-10-15AA85873-DBP17.00 ppb
2018-10-15AA85874-DBP19.40 ppb
2018-10-16AA85882-DBP13.30 ppb
2018-10-16AA85893-DBP18.40 ppb
2018-10-16AA85880-DBP13.70 ppb
2018-10-16AA85887-VOC1ND
2018-10-17AA85906-VOC1ND
2018-10-17AA85907-VOC1ND
2018-10-18AA85923-DBP18.40 ppb
2019-01-14AA86944-DBP14.30 ppb
2019-01-14AA86945-DBP11.80 ppb
2019-01-15AA86953-DBP12.60 ppb
2019-01-15AA86960-DBP12.70 ppb
2019-01-15AA86961-DBP14.00 ppb
2019-01-15AA86962-DBP14.60 ppb
2019-01-15AA86956-VOC1ND
2019-01-15AA86957-VOC1ND
2019-01-16AA86968-DBP10.990 ppb
2019-01-16AA86978-DBP14.00 ppb
2019-01-16AA86968-VOC10.920 ppb
2019-01-16AA86974-VOC1ND
2019-01-16AA86975-VOC1ND
2019-01-17AA86989-VOC1ND
2019-01-17AA86990-VOC1ND
2019-04-15AA88012-DBP12.22 ppb
2019-04-15AA88021-DBP14.34 ppb
2019-04-15AA88022-DBP15.39 ppb
2019-04-15AA88023-DBP16.16 ppb
2019-04-15AA88024-DBP17.12 ppb
2019-04-15AA88025-DBP17.17 ppb
2019-04-17AA88059-DBP16.58 ppb
2019-04-17AA88060-DBP14.53 ppb
2019-04-23AA88123-VOC1ND
2019-04-24AA88139-VOC1ND
2019-04-24AA88140-VOC1ND
2019-07-08AA89073-VOC1ND
2019-07-08AA89074-VOC1ND
2019-07-10AA89110-VOC1ND
2019-07-15AA89173-DBP14.77 ppb
2019-07-15AA89174-DBP17.02 ppb
2019-07-15AA89175-DBP16.57 ppb
2019-07-15AA89176-DBP17.96 ppb
2019-07-15AA89177-DBP15.84 ppb
2019-07-16AA89183-DBP13.00 ppb
2019-07-16AA89193-DBP11.37 ppb
2019-07-16AA89194-DBP17.17 ppb
2019-10-08AA90268-VOC1ND
2019-10-09AA90285-VOC1ND
2019-10-09AA90287-VOC1ND
2019-10-15AA90342-DBP14.49 ppb
2019-10-15AA90344-DBP19.52 ppb
2019-10-15AA90353-DBP112.3 ppb
2019-10-15AA90354-DBP113.5 ppb
2019-10-15AA90355-DBP18.43 ppb
2019-10-15AA90356-DBP17.65 ppb
2019-10-15AA90357-DBP16.85 ppb
2019-10-15AA90358-DBP110.4 ppb
2020-01-13AA91414-DBP15.28 ppb
2020-01-13AA91415-DBP16.71 ppb
2020-01-13AA91416-DBP12.93 ppb
2020-01-14AA91431-DBP14.06 ppb
2020-01-14AA91436-DBP16.29 ppb
2020-01-14AA91437-DBP15.75 ppb
2020-01-15AA91452-DBP12.62 ppb
2020-01-15AA91455-DBP13.71 ppb
2020-01-21AA91524-VOC1ND
2020-01-21AA91525-VOC1ND
2020-01-21AA91522-VOC1ND
2020-01-21AA91523-VOC1ND
2020-01-21AA91526-VOC1ND
2020-01-22AA91540-VOC1ND
2020-01-23AA91552-VOC11.66 ppb
2020-04-14AA92514-DBP14.43 ppb
2020-04-14AA92515-DBP12.42 ppb
2020-04-14AA92517-DBP119.5 ppb
2020-04-14AA92529-DBP16.38 ppb
2020-04-14AA92530-DBP14.99 ppb
2020-04-14AA92531-DBP18.17 ppb
2020-04-14AA92532-DBP15.71 ppb
2020-04-14AA92522-VOC1ND
2020-04-14AA92524-VOC1ND
2020-04-15AA92551-DBP14.70 ppb
2020-04-15AA92546-VOC1ND
2020-07-07AA93640-VOC1ND
2020-07-07AA93643-VOC1ND
2020-07-07AA93644-VOC1ND
2020-07-14AA93734-DBP11.19 ppb
2020-07-14AA93738-DBP15.50 ppb
2020-07-14AA93739-DBP16.96 ppb
2020-07-14AA93740-DBP18.40 ppb
2020-07-14AA93741-DBP16.28 ppb
2020-07-14AA93742-DBP14.26 ppb
2020-07-15AA93758-DBP13.54 ppb
2020-07-15AA93771-DBP16.80 ppb
2020-10-05AA95052-DBP16.07 ppb
2020-10-05AA95050-DBP114.1 ppb
2020-10-05AA95051-DBP111.8 ppb
2020-10-05AA95053-DBP19.54 ppb
2020-10-05AA95054-DBP112.7 ppb
2020-10-06AA95060-DBP16.83 ppb
2020-10-06AA95062-DBP19.93 ppb
2020-10-07AA95096-DBP110.2 ppb
2020-10-13AA95168-VOC1ND
2020-10-14AA95186-VOC1ND
2020-10-14AA95187-VOC1ND
2021-01-12210112-2-02 TTHM2.64 ppb
2021-01-12210112-5-01TTHM5.48 ppb
2021-01-12210112-5-02TTHM8.05 ppb
2021-01-12210112-3-04 VOCND
2021-01-13210113-2-02 TTHM5.29 ppb
2021-01-13210113-4-01TTHM4.89 ppb
2021-01-13210113-4-02TTHM5.85 ppb
2021-01-14210114-4-01TTHM5.28 ppb
2021-01-14210114-4-02TTHM2.60 ppb
2021-01-20210120-3-05 VOCND
2021-01-20210120-3-06 VOCND
2021-04-05210405-4-01TTHM7.02 ppb
2021-04-05210405-4-02TTHM5.07 ppb
2021-04-06210406-4-01TTHM6.87 ppb
2021-04-06210406-4-02TTHM4.39 ppb
2021-04-06210406-4-03TTHM5.48 ppb
2021-04-06210406-4-04TTHM2.83 ppb
2021-04-07210407-5-01TTHM2.40 ppb
2021-04-09210409-3-01TTHM5.44 ppb
2021-04-12210412-3-01VOCND
2021-04-12210412-3-02 VOCND
2021-04-12210412-3-04 VOCND
2021-04-12210412-3-05 VOCND
2021-04-13210413-3-03 VOCND
2021-04-14210414-1-06VOCND
2021-04-14210414-3-06VOCND
2021-07-13210713-4-01TTHM4.75 ppb
2021-07-13210713-4-02TTHM8.97 ppb
2021-07-13210713-4-03TTHM5.27 ppb
2021-07-13210713-4-04TTHM5.49 ppb
2021-07-13210713-4-05TTHM4.40 ppb
2021-07-13210713-4-06TTHM2.89 ppb
2021-07-13210713-4-07TTHM9.45 ppb
2021-07-14210714-1-06 TTHM2.35 ppb
2021-07-14210714-3-04 VOCND
2021-07-14210714-3-05 VOCND
2021-07-14210714-3-06 VOCND
2021-10-05211005-4-01TTHM3.54 ppb
2021-10-05211005-4-02TTHM6.59 ppb
2021-10-05211005-4-03TTHM5.54 ppb
2021-10-06211006-4-01TTHM9.33 ppb
2021-10-06211006-4-02TTHM8.32 ppb
2021-10-06211006-4-03TTHM6.92 ppb
2021-10-06211006-4-04TTHM6.70 ppb
2021-10-07211007-4-01TTHM8.90 ppb
2021-10-12211012-3-04 VOCND
2021-10-12211012-3-05 VOCND
2021-10-13211013-3-06 VOCND
2022-01-04220104-3-04 VOCND
2022-01-05220105-3-05 VOCND
2022-01-05220105-3-06 VOCND
2022-01-10220110-4-01TTHM2.39 ppb
2022-01-10220110-4-02TTHM4.16 ppb
2022-01-11220111-4-01TTHM6.99 ppb
2022-01-11220111-4-02TTHM6.70 ppb
2022-01-11220111-4-03TTHM4.76 ppb
2022-01-11220111-4-04TTHM3.96 ppb
2022-01-11220111-4-05TTHM6.38 ppb
2022-01-11220111-4-06TTHM7.10 ppb
2022-04-05220405-2-02 TTHM1.74 ppb
2022-04-05220405-4-01TTHM4.32 ppb
2022-04-05220405-4-02TTHM7.72 ppb
2022-04-05220405-4-03TTHM5.47 ppb
2022-04-05220405-4-04TTHM4.42 ppb
2022-04-05220405-4-05TTHM6.66 ppb
2022-04-05220405-4-06TTHM5.30 ppb
2022-04-05220405-4-07TTHM2.31 ppb
2022-04-13220413-3-04 VOCND
2022-04-13220413-3-05 VOCND
2022-04-13220413-3-06 VOCND
2022-07-06220706-3-05VOCND
2022-07-06220706-4-01VOCND
2022-07-12220712-5-01TTHM9.01 ppb
2022-07-12220712-5-02TTHM11.7 ppb
2022-07-12220712-5-03TTHM7.45 ppb
2022-07-12220712-5-04TTHM9.66 ppb
2022-07-12220712-5-05TTHM9.92 ppb
2022-07-12220712-5-06TTHM3.11 ppb
2022-07-12220712-5-07TTHM11.2 ppb
2022-07-12220712-5-08TTHM4.10 ppb
2022-07-18220718-3-01VOCND
2022-07-18220718-3-02 VOCND
2022-07-19220719-1-06 VOC4.79 ppb
2022-07-19220719-3-03 VOCND
2022-07-19220719-3-04 VOCND
2022-10-04221004-4-01TTHM7.74 ppb
2022-10-04221004-4-02TTHM12.8 ppb
2022-10-04221004-4-03TTHM8.15 ppb
2022-10-04221004-4-04TTHM6.24 ppb
2022-10-04221004-4-05TTHM10.3 ppb
2022-10-04221004-4-06TTHM9.31 ppb
2022-10-04221004-4-07TTHM2.84 ppb
2022-10-05221005-5-01TTHM4.16 ppb
2022-10-11221011-3-04 VOCND
2022-10-12221012-3-05 VOCND
2022-10-12221012-3-06 VOCND
2023-01-09230109-5-01TTHM13.4 ppb
2023-01-09230109-5-02TTHM7.70 ppb
2023-01-10230110-5-01TTHM2.78 ppb
2023-01-10230110-5-02TTHM9.62 ppb
2023-01-10230110-5-03TTHM7.49 ppb
2023-01-10230110-5-04TTHM7.99 ppb
2023-01-10230110-5-05TTHM9.29 ppb
2023-01-12230112-4-01TTHM2.94 ppb
2023-01-17230117-3-03 VOCND
2023-01-17230117-3-04 VOCND
2023-01-19230119-3-06 VOCND
2023-01-31230131-3-07VOCND
2023-04-03230403-3-05VOCND
2023-04-04230404-3-06VOCND
2023-04-05230405-3-04VOCND
2023-04-11230411-8-01TTHM0.820 ppb
2023-04-11230413-4-01TTHM4.20 ppb
2023-04-11230413-4-02TTHM6.13 ppb
2023-04-12230414-3-01TTHM6.80 ppb
2023-04-12230414-3-02TTHMND
2023-04-12230414-3-03TTHM7.30 ppb
2023-04-12230414-3-04TTHM4.45 ppb
2023-04-13230413-4-03TTHM3.05 ppb
2023-07-10230710-5-01TTHM5.96 ppb
2023-07-10230710-5-02TTHM2.69 ppb
2023-07-11230711-4-01TTHM8.53 ppb
2023-07-11230711-4-02TTHM5.41 ppb
2023-07-11230711-4-03TTHM5.65 ppb
2023-07-11230711-4-04TTHM7.85 ppb
2023-07-11230711-4-05TTHM7.00 ppb
2023-07-11230711-4-06TTHM2.76 ppb
2023-07-17230717-3-01VOCND
2023-07-17230717-3-02 VOCND
2023-07-17230717-3-03 VOCND
2023-07-17230717-3-04 VOCND
2023-07-17230717-3-05 VOCND
2023-07-19230719-3-06 VOCND
2023-09-07230907-1-06VOC4.35 ppb
2023-10-02231002-3-04VOCND
2023-10-02231002-3-05VOCND
2023-10-04231004-3-06VOCND
2023-10-10231010-5-01TTHM7.62 ppb
2023-10-10231010-5-02TTHM5.40 ppb
2023-10-10231010-5-03TTHM7.09 ppb
2023-10-10231010-5-04TTHM5.28 ppb
2023-10-11231011-4-01TTHMND
2023-10-11231011-4-02TTHM7.74 ppb
2023-10-11231011-4-03TTHM7.55 ppb
2023-10-11231011-4-04TTHM2.69 ppb