Know Your Environment. Protect Your Health.

Dibromochloromethane

New Orleans Carrollton Waterworks

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.

 

388

Samples

0

Samples exceeding legal limit (MCL)

224

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.346 ppb9830ND - 2.10 ppb
20190.432 ppb9656ND - 1.10 ppb
20200.677 ppb4826ND - 1.50 ppb
20211.10 ppb4845ND - 2.10 ppb
20221.23 ppb5026ND - 3.10 ppb
20231.88 ppb4841ND - 4.40 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
2018-01-24353704940011.20 ppb
2018-01-24353704940022.00 ppb
2018-01-24353704940032.10 ppb
2018-01-24353704940040.940 ppb
2018-01-24353704940050.940 ppb
2018-01-24353704940060.820 ppb
2018-01-24353704940011.20 ppb
2018-01-24353704940022.00 ppb
2018-01-24353704940032.10 ppb
2018-01-24353704940040.940 ppb
2018-01-24353704940050.940 ppb
2018-01-24353704940060.820 ppb
2018-01-29353710450010.970 ppb
2018-01-29353710450020.810 ppb
2018-01-29353710450030.850 ppb
2018-01-29353710450040.850 ppb
2018-01-29353710450050.830 ppb
2018-01-29353710450060.860 ppb
2018-01-29353710450010.970 ppb
2018-01-29353710450020.810 ppb
2018-01-29353710450030.850 ppb
2018-01-29353710450040.850 ppb
2018-01-29353710450050.830 ppb
2018-01-29353710450060.860 ppb
2018-04-1635387639001ND
2018-04-1635387639001ND
2018-04-1735387640001ND
2018-04-1735387640002ND
2018-04-1735387640005ND
2018-04-1735387640007ND
2018-04-1735387640001ND
2018-04-1735387640002ND
2018-04-1735387640005ND
2018-04-1735387640007ND
2018-04-1835387641001ND
2018-04-1835387641001ND
2018-04-1935387640003ND
2018-04-1935387640004ND
2018-04-1935387640006ND
2018-04-1935387640008ND
2018-04-1935387640009ND
2018-04-1935387641002ND
2018-04-1935387640003ND
2018-04-1935387640004ND
2018-04-1935387640006ND
2018-04-1935387640008ND
2018-04-1935387640009ND
2018-04-1935387641002ND
2018-07-2535407109001ND
2018-07-2535407109003ND
2018-07-2535407109010ND
2018-07-2535407109001ND
2018-07-2535407109003ND
2018-07-2535407109010ND
2018-07-2635407109002ND
2018-07-2635407109006ND
2018-07-2635407109008ND
2018-07-2635407109009ND
2018-07-2635407109002ND
2018-07-2635407109006ND
2018-07-2635407109008ND
2018-07-2635407109009ND
2018-07-31354078440011.30 ppb
2018-07-31354078440021.30 ppb
2018-07-31354078440031.20 ppb
2018-07-3135407844004ND
2018-07-3135407844005ND
2018-07-3135407844006ND
2018-07-31354078440011.30 ppb
2018-07-31354078440021.30 ppb
2018-07-31354078440031.20 ppb
2018-07-3135407844004ND
2018-07-3135407844005ND
2018-07-3135407844006ND
2018-10-1635425096001ND
2018-10-1635425096002ND
2018-10-1635425096003ND
2018-10-1635425096011ND
2018-10-1635425096012ND
2018-10-1635425096001ND
2018-10-1635425096002ND
2018-10-1635425096003ND
2018-10-1635425096011ND
2018-10-1635425096012ND
2018-10-1735425096004ND
2018-10-1735425096005ND
2018-10-1735425096006ND
2018-10-1735425096007ND
2018-10-1735425096008ND
2018-10-1735425096009ND
2018-10-1735425096010ND
2018-10-1735425096004ND
2018-10-1735425096005ND
2018-10-1735425096006ND
2018-10-1735425096007ND
2018-10-1735425096008ND
2018-10-1735425096009ND
2018-10-1735425096010ND
2019-01-16354428830010.560 ppb
2019-01-16354428830020.480 ppb
2019-01-16354428830030.470 ppb
2019-01-16354428830040.520 ppb
2019-01-16354428830050.460 ppb
2019-01-1635442891001ND
2019-01-16354428830010.560 ppb
2019-01-16354428830020.480 ppb
2019-01-16354428830030.470 ppb
2019-01-16354428830040.520 ppb
2019-01-16354428830050.460 ppb
2019-01-1635442891001ND
2019-01-1735443169001ND
2019-01-1735443169002ND
2019-01-1735443169003ND
2019-01-1735443169004ND
2019-01-1735443169005ND
2019-01-1735443169006ND
2019-01-1735443169001ND
2019-01-1735443169002ND
2019-01-1735443169003ND
2019-01-1735443169004ND
2019-01-1735443169005ND
2019-01-1735443169006ND
2019-04-24354643470010.560 ppb
2019-04-24354643470020.430 ppb
2019-04-24354643470030.450 ppb
2019-04-24354643470040.470 ppb
2019-04-24354643470050.470 ppb
2019-04-24354643470060.540 ppb
2019-04-24354643470070.480 ppb
2019-04-24354643470080.460 ppb
2019-04-24354643470090.510 ppb
2019-04-2435464347010ND
2019-04-24354643470110.440 ppb
2019-04-24354643470120.540 ppb
2019-04-24354643470010.560 ppb
2019-04-24354643470020.430 ppb
2019-04-24354643470030.450 ppb
2019-04-24354643470040.470 ppb
2019-04-24354643470050.470 ppb
2019-04-24354643470060.540 ppb
2019-04-24354643470070.480 ppb
2019-04-24354643470080.460 ppb
2019-04-24354643470090.510 ppb
2019-04-2435464347010ND
2019-04-24354643470110.440 ppb
2019-04-24354643470120.540 ppb
2019-07-1835483776001ND
2019-07-1835483776002ND
2019-07-1835483776003ND
2019-07-1835483776004ND
2019-07-1835483776005ND
2019-07-1835483776006ND
2019-07-1835483776007ND
2019-07-1835483776008ND
2019-07-1835483776009ND
2019-07-1835483776010ND
2019-07-1835483776011ND
2019-07-1835483776012ND
2019-07-1835483776001ND
2019-07-1835483776002ND
2019-07-1835483776003ND
2019-07-1835483776004ND
2019-07-1835483776005ND
2019-07-1835483776006ND
2019-07-1835483776007ND
2019-07-1835483776008ND
2019-07-1835483776009ND
2019-07-1835483776010ND
2019-07-1835483776011ND
2019-07-1835483776012ND
2019-10-16355057640011.000 ppb
2019-10-16355057640021.10 ppb
2019-10-16355057640031.000 ppb
2019-10-16355057640041.10 ppb
2019-10-16355057640051.10 ppb
2019-10-16355057640061.10 ppb
2019-10-16355057640071.10 ppb
2019-10-16355057640081.000 ppb
2019-10-16355057640091.10 ppb
2019-10-16355057640101.10 ppb
2019-10-16355057640111.10 ppb
2019-10-16355057640121.10 ppb
2019-10-16355057640011.000 ppb
2019-10-16355057640021.10 ppb
2019-10-16355057640031.000 ppb
2019-10-16355057640041.10 ppb
2019-10-16355057640051.10 ppb
2019-10-16355057640061.10 ppb
2019-10-16355057640071.10 ppb
2019-10-16355057640081.000 ppb
2019-10-16355057640091.10 ppb
2019-10-16355057640101.10 ppb
2019-10-16355057640111.10 ppb
2019-10-16355057640121.10 ppb
2020-01-2435526475001ND
2020-01-2435526475002ND
2020-01-2435526475003ND
2020-01-2435526475004ND
2020-01-2435526475005ND
2020-01-2435526475006ND
2020-01-2435526475007ND
2020-01-2435526475008ND
2020-01-2435526475009ND
2020-01-2435526475010ND
2020-01-2435526475011ND
2020-01-2435526475012ND
2020-04-1635544546001ND
2020-04-1635544546002ND
2020-04-16355445460030.460 ppb
2020-04-1635544546004ND
2020-04-1635544546005ND
2020-04-16355445460060.460 ppb
2020-04-1635544546007ND
2020-04-1635544546008ND
2020-04-1635544550001ND
2020-04-1635544550002ND
2020-04-1635544550003ND
2020-04-16355445500040.490 ppb
2020-07-2835566807001ND
2020-07-28355668070021.40 ppb
2020-07-28355668070031.40 ppb
2020-07-28355668070041.30 ppb
2020-07-28355668070051.50 ppb
2020-07-28355668070061.50 ppb
2020-07-28355668070071.40 ppb
2020-07-28355668070081.50 ppb
2020-07-28355668070091.40 ppb
2020-07-28355668070101.10 ppb
2020-07-28355668070111.20 ppb
2020-07-28355668070121.20 ppb
2020-10-30355891600011.40 ppb
2020-10-30355891600021.30 ppb
2020-10-30355891600031.20 ppb
2020-10-30355891600041.30 ppb
2020-10-30355891600051.50 ppb
2020-10-30355891600061.20 ppb
2020-10-30355891600071.40 ppb
2020-10-30355891600081.30 ppb
2020-10-30355891600091.40 ppb
2020-10-30355891600101.30 ppb
2020-10-30355891600111.40 ppb
2020-10-30355891600121.50 ppb
2021-01-27356080880010.990 ppb
2021-01-27356080880021.30 ppb
2021-01-27356080880031.000 ppb
2021-01-27356080880041.20 ppb
2021-01-27356080880051.10 ppb
2021-01-27356080880061.20 ppb
2021-01-27356080880071.10 ppb
2021-01-27356080880081.30 ppb
2021-01-27356080880091.10 ppb
2021-01-27356080880100.950 ppb
2021-01-27356080880111.30 ppb
2021-01-27356080880121.000 ppb
2021-04-29356299230010.660 ppb
2021-04-29356299230020.550 ppb
2021-04-29356299230030.620 ppb
2021-04-29356299230040.670 ppb
2021-04-29356299230050.540 ppb
2021-04-29356299230060.530 ppb
2021-04-29356299230070.560 ppb
2021-04-29356299230080.490 ppb
2021-04-29356299230090.540 ppb
2021-04-2935629923010ND
2021-04-2935629923011ND
2021-04-29356299230120.480 ppb
2021-07-28356517380010.770 ppb
2021-07-28356517380021.10 ppb
2021-07-28356517380031.20 ppb
2021-07-28356517380040.900 ppb
2021-07-28356517380060.660 ppb
2021-07-28356517380071.10 ppb
2021-07-28356517380080.920 ppb
2021-07-28356517380091.20 ppb
2021-07-28356517380110.950 ppb
2021-07-28356517380120.890 ppb
2021-08-10356546620011.40 ppb
2021-09-1635664174001ND
2021-10-21356737140011.70 ppb
2021-10-21356737140022.00 ppb
2021-10-21356737140032.00 ppb
2021-10-21356737140041.90 ppb
2021-10-21356737140052.10 ppb
2021-10-21356737140062.00 ppb
2021-10-21356737140072.10 ppb
2021-10-21356737140081.50 ppb
2021-10-21356737140091.90 ppb
2021-10-21356737140101.60 ppb
2021-10-21356737140111.90 ppb
2021-10-21356737140121.70 ppb
2022-01-2835693774001ND
2022-01-2835693774002ND
2022-01-2835693774003ND
2022-01-2835693774004ND
2022-01-2835693774005ND
2022-01-2835693774006ND
2022-01-2835693774007ND
2022-01-2835693774008ND
2022-01-2835693774009ND
2022-01-2835693774010ND
2022-01-2835693774011ND
2022-01-2835693774012ND
2022-04-1335711512001ND
2022-04-1335711512002ND
2022-04-1335711512003ND
2022-04-1335711512004ND
2022-04-1335711512005ND
2022-04-1335711512006ND
2022-04-1335711512007ND
2022-04-1335711512008ND
2022-04-1335711512009ND
2022-04-1335711512010ND
2022-04-1335711514001ND
2022-04-1335711514002ND
2022-07-2635734960 0042.00 ppb
2022-07-26357349600011.70 ppb
2022-07-26357349600022.20 ppb
2022-07-26357349600032.50 ppb
2022-07-26357349600042.00 ppb
2022-07-26357349600052.50 ppb
2022-07-26357349600062.20 ppb
2022-07-26357349600072.40 ppb
2022-07-26357349600081.70 ppb
2022-07-26357349600092.50 ppb
2022-07-26357349600101.60 ppb
2022-07-26357349600111.90 ppb
2022-07-26357349600122.20 ppb
2022-08-23357419970011.60 ppb
2022-10-21357555480012.40 ppb
2022-10-21357555480023.00 ppb
2022-10-21357555480033.10 ppb
2022-10-21357555480043.00 ppb
2022-10-21357555480052.80 ppb
2022-10-21357555480062.60 ppb
2022-10-21357555480072.80 ppb
2022-10-21357555480082.40 ppb
2022-10-21357555480092.80 ppb
2022-10-21357555480102.50 ppb
2022-10-21357555480112.70 ppb
2022-10-21357555480122.50 ppb
2023-01-12357725970010.920 ppb
2023-01-12357725970021.10 ppb
2023-01-12357725970030.930 ppb
2023-01-12357725970041.000 ppb
2023-01-12357725970051.000 ppb
2023-01-12357725970061.000 ppb
2023-01-12357725970070.790 ppb
2023-01-12357725970081.000 ppb
2023-01-12357725970091.20 ppb
2023-01-12357725970101.20 ppb
2023-01-12357725970111.000 ppb
2023-01-12357725970120.910 ppb
2023-04-1435793299001ND
2023-04-14357932990020.490 ppb
2023-04-14357932990030.480 ppb
2023-04-1435793299005ND
2023-04-14357932990060.490 ppb
2023-04-14357932990070.490 ppb
2023-04-14357932990080.510 ppb
2023-04-1435793299009ND
2023-04-1435793299010ND
2023-04-1435793303001ND
2023-04-1435793303002ND
2023-04-26357955780010.660 ppb
2023-07-20358148400012.50 ppb
2023-07-20358148400023.20 ppb
2023-07-20358148400033.20 ppb
2023-07-20358148400043.50 ppb
2023-07-20358148400053.20 ppb
2023-07-20358148400063.20 ppb
2023-07-20358148400073.40 ppb
2023-07-20358148400084.40 ppb
2023-07-20358148400092.80 ppb
2023-07-20358148400102.50 ppb
2023-07-20358148400112.30 ppb
2023-07-20358148400122.80 ppb
2023-10-19358360470013.50 ppb
2023-10-19358360470023.80 ppb
2023-10-19358360470034.20 ppb
2023-10-19358360470044.10 ppb
2023-10-19358360470054.30 ppb
2023-10-19358360470064.00 ppb
2023-10-19358360470074.20 ppb
2023-10-19358360470081.70 ppb
2023-10-1935836047009ND
2023-10-19358360470103.20 ppb
2023-10-19358360470111.90 ppb
2023-10-19358360470123.40 ppb