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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

Lafourche Water District 1

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)

186

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.468 ppb6836ND - 1.40 ppb
20150.750 ppb6460ND - 1.40 ppb
20160.548 ppb6444ND - 1.10 ppb
20170.157 ppb6410ND - 1.30 ppb
20180.264 ppb6418ND - 3.00 ppb
20190.248 ppb6418ND - 1.20 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-03AD88683ND
2014-02-03AD88683ND
2014-02-24AD89294ND
2014-02-24AD89294ND
2014-03-05680-99257-10.580 ppb
2014-03-05680-99257-2ND
2014-03-05680-99257-3ND
2014-03-05680-99257-4ND
2014-03-05680-99257-50.500 ppb
2014-03-05680-99257-6ND
2014-03-05680-99257-7ND
2014-03-05680-99257-8ND
2014-03-05680-99257-10.580 ppb
2014-03-05680-99257-2ND
2014-03-05680-99257-3ND
2014-03-05680-99257-4ND
2014-03-05680-99257-50.500 ppb
2014-03-05680-99257-6ND
2014-03-05680-99257-7ND
2014-03-05680-99257-8ND
2014-06-04680-102074-15ND
2014-06-04680-102074-16ND
2014-06-04680-102074-17ND
2014-06-04680-102074-18ND
2014-06-04680-102074-19ND
2014-06-04680-102074-20ND
2014-06-04680-102074-21ND
2014-06-04680-102074-22ND
2014-06-04680-102074-15ND
2014-06-04680-102074-16ND
2014-06-04680-102074-17ND
2014-06-04680-102074-18ND
2014-06-04680-102074-19ND
2014-06-04680-102074-20ND
2014-06-04680-102074-21ND
2014-06-04680-102074-22ND
2014-09-03680-104990-101.10 ppb
2014-09-03680-104990-110.700 ppb
2014-09-03680-104990-121.10 ppb
2014-09-03680-104990-131.10 ppb
2014-09-03680-104990-141.10 ppb
2014-09-03680-104990-151.20 ppb
2014-09-03680-104990-161.40 ppb
2014-09-03680-104990-90.660 ppb
2014-09-03680-104990-101.10 ppb
2014-09-03680-104990-110.700 ppb
2014-09-03680-104990-121.10 ppb
2014-09-03680-104990-131.10 ppb
2014-09-03680-104990-141.10 ppb
2014-09-03680-104990-151.20 ppb
2014-09-03680-104990-161.40 ppb
2014-09-03680-104990-90.660 ppb
2014-12-03680-107935-100.800 ppb
2014-12-03680-107935-110.980 ppb
2014-12-03680-107935-120.570 ppb
2014-12-03680-107935-130.790 ppb
2014-12-03680-107935-140.820 ppb
2014-12-03680-107935-70.930 ppb
2014-12-03680-107935-80.880 ppb
2014-12-03680-107935-90.700 ppb
2014-12-03680-107935-100.800 ppb
2014-12-03680-107935-110.980 ppb
2014-12-03680-107935-120.570 ppb
2014-12-03680-107935-130.790 ppb
2014-12-03680-107935-140.820 ppb
2014-12-03680-107935-70.930 ppb
2014-12-03680-107935-80.880 ppb
2014-12-03680-107935-90.700 ppb
2015-03-04680-110481-100.850 ppb
2015-03-04680-110481-110.570 ppb
2015-03-04680-110481-121.10 ppb
2015-03-04680-110481-130.760 ppb
2015-03-04680-110481-140.540 ppb
2015-03-04680-110481-15ND
2015-03-04680-110481-160.690 ppb
2015-03-04680-110481-90.940 ppb
2015-03-04680-110481-100.850 ppb
2015-03-04680-110481-110.570 ppb
2015-03-04680-110481-121.10 ppb
2015-03-04680-110481-130.760 ppb
2015-03-04680-110481-140.540 ppb
2015-03-04680-110481-15ND
2015-03-04680-110481-160.690 ppb
2015-03-04680-110481-90.940 ppb
2015-06-03680-113264-130.610 ppb
2015-06-03680-113264-140.440 ppb
2015-06-03680-113264-15ND
2015-06-03680-113264-160.680 ppb
2015-06-03680-113264-170.720 ppb
2015-06-03680-113264-180.590 ppb
2015-06-03680-113264-190.590 ppb
2015-06-03680-113264-200.640 ppb
2015-06-03680-113264-130.610 ppb
2015-06-03680-113264-140.440 ppb
2015-06-03680-113264-15ND
2015-06-03680-113264-160.680 ppb
2015-06-03680-113264-170.720 ppb
2015-06-03680-113264-180.590 ppb
2015-06-03680-113264-190.590 ppb
2015-06-03680-113264-200.640 ppb
2015-09-02680-116449-10.830 ppb
2015-09-02680-116449-20.600 ppb
2015-09-02680-116449-30.510 ppb
2015-09-02680-116449-40.920 ppb
2015-09-02680-116449-50.740 ppb
2015-09-02680-116449-60.550 ppb
2015-09-02680-116449-70.600 ppb
2015-09-02680-116449-80.830 ppb
2015-09-02680-116449-10.830 ppb
2015-09-02680-116449-20.600 ppb
2015-09-02680-116449-30.510 ppb
2015-09-02680-116449-40.920 ppb
2015-09-02680-116449-50.740 ppb
2015-09-02680-116449-60.550 ppb
2015-09-02680-116449-70.600 ppb
2015-09-02680-116449-80.830 ppb
2015-12-02680-119693-101.20 ppb
2015-12-02680-119693-110.830 ppb
2015-12-02680-119693-121.20 ppb
2015-12-02680-119693-131.30 ppb
2015-12-02680-119693-140.920 ppb
2015-12-02680-119693-150.760 ppb
2015-12-02680-119693-161.10 ppb
2015-12-02680-119693-91.40 ppb
2015-12-02680-119693-101.20 ppb
2015-12-02680-119693-110.830 ppb
2015-12-02680-119693-121.20 ppb
2015-12-02680-119693-131.30 ppb
2015-12-02680-119693-140.920 ppb
2015-12-02680-119693-150.760 ppb
2015-12-02680-119693-161.10 ppb
2015-12-02680-119693-91.40 ppb
2016-03-02680-122632-10ND
2016-03-02680-122632-11ND
2016-03-02680-122632-12ND
2016-03-02680-122632-13ND
2016-03-02680-122632-14ND
2016-03-02680-122632-15ND
2016-03-02680-122632-16ND
2016-03-02680-122632-9ND
2016-03-02680-122632-10ND
2016-03-02680-122632-11ND
2016-03-02680-122632-12ND
2016-03-02680-122632-13ND
2016-03-02680-122632-14ND
2016-03-02680-122632-15ND
2016-03-02680-122632-16ND
2016-03-02680-122632-9ND
2016-06-01680-125980-11.10 ppb
2016-06-01680-125980-20.630 ppb
2016-06-01680-125980-30.590 ppb
2016-06-01680-125980-40.660 ppb
2016-06-01680-125980-50.940 ppb
2016-06-01680-125980-60.670 ppb
2016-06-01680-125980-7ND
2016-06-01680-125980-8ND
2016-06-01680-125980-11.10 ppb
2016-06-01680-125980-20.630 ppb
2016-06-01680-125980-30.590 ppb
2016-06-01680-125980-40.660 ppb
2016-06-01680-125980-50.940 ppb
2016-06-01680-125980-60.670 ppb
2016-06-01680-125980-7ND
2016-06-01680-125980-8ND
2016-09-07680-129654-100.740 ppb
2016-09-07680-129654-110.530 ppb
2016-09-07680-129654-120.760 ppb
2016-09-07680-129654-130.960 ppb
2016-09-07680-129654-140.830 ppb
2016-09-07680-129654-150.720 ppb
2016-09-07680-129654-160.840 ppb
2016-09-07680-129654-90.900 ppb
2016-09-07680-129654-100.740 ppb
2016-09-07680-129654-110.530 ppb
2016-09-07680-129654-120.760 ppb
2016-09-07680-129654-130.960 ppb
2016-09-07680-129654-140.830 ppb
2016-09-07680-129654-150.720 ppb
2016-09-07680-129654-160.840 ppb
2016-09-07680-129654-90.900 ppb
2016-12-07680-133076-11.10 ppb
2016-12-07680-133076-20.920 ppb
2016-12-07680-133076-30.520 ppb
2016-12-07680-133076-40.840 ppb
2016-12-07680-133076-51.10 ppb
2016-12-07680-133076-60.540 ppb
2016-12-07680-133076-70.680 ppb
2016-12-07680-133076-80.950 ppb
2016-12-07680-133076-11.10 ppb
2016-12-07680-133076-20.920 ppb
2016-12-07680-133076-30.520 ppb
2016-12-07680-133076-40.840 ppb
2016-12-07680-133076-51.10 ppb
2016-12-07680-133076-60.540 ppb
2016-12-07680-133076-70.680 ppb
2016-12-07680-133076-80.950 ppb
2017-03-1435301201005ND
2017-03-1435301201006ND
2017-03-1435301201007ND
2017-03-1435301201008ND
2017-03-14353012010091.30 ppb
2017-03-1435301201010ND
2017-03-1435301201011ND
2017-03-1435301201012ND
2017-03-1435301201005ND
2017-03-1435301201006ND
2017-03-1435301201007ND
2017-03-1435301201008ND
2017-03-14353012010091.30 ppb
2017-03-1435301201010ND
2017-03-1435301201011ND
2017-03-1435301201012ND
2017-06-2635320811001ND
2017-06-2635320811002ND
2017-06-2635320811003ND
2017-06-2635320811004ND
2017-06-2635320811005ND
2017-06-2635320811006ND
2017-06-2635320811007ND
2017-06-2635320811008ND
2017-06-2635320811001ND
2017-06-2635320811002ND
2017-06-2635320811003ND
2017-06-2635320811004ND
2017-06-2635320811005ND
2017-06-2635320811006ND
2017-06-2635320811007ND
2017-06-2635320811008ND
2017-09-2235337422001ND
2017-09-2235337422002ND
2017-09-2235337422003ND
2017-09-2235337422004ND
2017-09-2235337422005ND
2017-09-2235337422006ND
2017-09-2235337422007ND
2017-09-22353374220081.30 ppb
2017-09-2235337422001ND
2017-09-2235337422002ND
2017-09-2235337422003ND
2017-09-2235337422004ND
2017-09-2235337422005ND
2017-09-2235337422006ND
2017-09-2235337422007ND
2017-09-22353374220081.30 ppb
2017-12-05353612690010.750 ppb
2017-12-05353612690020.940 ppb
2017-12-0535361269003ND
2017-12-0535361269004ND
2017-12-0535361269005ND
2017-12-05353612690060.740 ppb
2017-12-0535361269007ND
2017-12-0535361269008ND
2017-12-05353612690010.750 ppb
2017-12-05353612690020.940 ppb
2017-12-0535361269003ND
2017-12-0535361269004ND
2017-12-0535361269005ND
2017-12-05353612690060.740 ppb
2017-12-0535361269007ND
2017-12-0535361269008ND
2018-03-0835379404001ND
2018-03-0835379404002ND
2018-03-0835379404003ND
2018-03-0835379404004ND
2018-03-0835379404005ND
2018-03-0835379404006ND
2018-03-08353794040073.00 ppb
2018-03-0835379404008ND
2018-03-0835379404001ND
2018-03-0835379404002ND
2018-03-0835379404003ND
2018-03-0835379404004ND
2018-03-0835379404005ND
2018-03-0835379404006ND
2018-03-08353794040073.00 ppb
2018-03-0835379404008ND
2018-06-07353971350010.610 ppb
2018-06-07353971350020.870 ppb
2018-06-07353971350030.630 ppb
2018-06-07353971350040.740 ppb
2018-06-07353971350050.530 ppb
2018-06-07353971350060.610 ppb
2018-06-07353971350070.660 ppb
2018-06-07353971350080.810 ppb
2018-06-07353971350010.610 ppb
2018-06-07353971350020.870 ppb
2018-06-07353971350030.630 ppb
2018-06-07353971350040.740 ppb
2018-06-07353971350050.530 ppb
2018-06-07353971350060.610 ppb
2018-06-07353971350070.660 ppb
2018-06-07353971350080.810 ppb
2018-09-1835418817001ND
2018-09-1835418817002ND
2018-09-1835418817003ND
2018-09-1835418817004ND
2018-09-1835418817005ND
2018-09-1835418817006ND
2018-09-1835418817007ND
2018-09-1835418817008ND
2018-09-1835418817001ND
2018-09-1835418817002ND
2018-09-1835418817003ND
2018-09-1835418817004ND
2018-09-1835418817005ND
2018-09-1835418817006ND
2018-09-1835418817007ND
2018-09-1835418817008ND
2018-12-1235437061001ND
2018-12-1235437061002ND
2018-12-1235437061003ND
2018-12-1235437061004ND
2018-12-1235437061005ND
2018-12-1235437061006ND
2018-12-1235437061007ND
2018-12-1235437061008ND
2018-12-1235437061001ND
2018-12-1235437061002ND
2018-12-1235437061003ND
2018-12-1235437061004ND
2018-12-1235437061005ND
2018-12-1235437061006ND
2018-12-1235437061007ND
2018-12-1235437061008ND
2019-03-0835453431001ND
2019-03-0835453431002ND
2019-03-0835453431003ND
2019-03-0835453431004ND
2019-03-0835453431005ND
2019-03-0835453431006ND
2019-03-0835453431007ND
2019-03-0835453431008ND
2019-03-0835453431001ND
2019-03-0835453431002ND
2019-03-0835453431003ND
2019-03-0835453431004ND
2019-03-0835453431005ND
2019-03-0835453431006ND
2019-03-0835453431007ND
2019-03-0835453431008ND
2019-06-13354755040010.410 ppb
2019-06-1335475504002ND
2019-06-1335475504003ND
2019-06-1335475504004ND
2019-06-1335475504005ND
2019-06-1335475504006ND
2019-06-1335475504007ND
2019-06-1335475504008ND
2019-06-13354755040010.410 ppb
2019-06-1335475504002ND
2019-06-1335475504003ND
2019-06-1335475504004ND
2019-06-1335475504005ND
2019-06-1335475504006ND
2019-06-1335475504007ND
2019-06-1335475504008ND
2019-09-03354946630010.980 ppb
2019-09-03354946630020.970 ppb
2019-09-03354946630030.960 ppb
2019-09-03354946630041.20 ppb
2019-09-03354946630050.750 ppb
2019-09-03354946630060.850 ppb
2019-09-03354946630070.860 ppb
2019-09-03354946630080.940 ppb
2019-09-03354946630010.980 ppb
2019-09-03354946630020.970 ppb
2019-09-03354946630030.960 ppb
2019-09-03354946630041.20 ppb
2019-09-03354946630050.750 ppb
2019-09-03354946630060.850 ppb
2019-09-03354946630070.860 ppb
2019-09-03354946630080.940 ppb
2019-12-0535516987001ND
2019-12-0535516987002ND
2019-12-0535516987003ND
2019-12-0535516987004ND
2019-12-0535516987005ND
2019-12-0535516987006ND
2019-12-0535516987007ND
2019-12-0535516987008ND
2019-12-0535516987001ND
2019-12-0535516987002ND
2019-12-0535516987003ND
2019-12-0535516987004ND
2019-12-0535516987005ND
2019-12-0535516987006ND
2019-12-0535516987007ND
2019-12-0535516987008ND