Dibromochloromethane
Monroeville Municipal Authority
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 9.47 ppb | 16 | 16 | 1.90 ppb - 24.4 ppb |
2015 | 3.81 ppb | 48 | 48 | 1.000 ppb - 17.0 ppb |
2016 | 2.16 ppb | 16 | 14 | ND - 4.00 ppb |
2017 | 1.06 ppb | 16 | 12 | ND - 2.00 ppb |
2018 | 0.653 ppb | 16 | 11 | ND - 1.000 ppb |
2019 | 0.690 ppb | 16 | 12 | ND - 1.70 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 |
---|---|---|
2014-02-11 | 14022149-003 | 7.70 ppb |
2014-02-11 | 14022149-001 | 5.90 ppb |
2014-02-11 | 14022149-002 | 9.90 ppb |
2014-02-11 | 14022149-004 | 9.10 ppb |
2014-04-15 | 14043656-005 | 2.00 ppb |
2014-04-15 | 14043656-001 | 2.50 ppb |
2014-04-15 | 14043656-003 | 2.30 ppb |
2014-04-15 | 14043656-007 | 1.90 ppb |
2014-07-16 | 14072495-003 | 7.40 ppb |
2014-07-16 | 14072495-001 | 5.50 ppb |
2014-07-16 | 14072495-002 | 6.60 ppb |
2014-07-16 | 14072495-004 | 7.40 ppb |
2014-10-15 | S4J1677-01 | 17.9 ppb |
2014-10-15 | S4J1677-02 | 21.8 ppb |
2014-10-15 | S4J1677-03 | 24.4 ppb |
2014-10-15 | S4J1677-04 | 19.2 ppb |
2015-01-19 | 12344015 | 3.00 ppb |
2015-01-19 | 12344016 | 4.00 ppb |
2015-01-19 | 12344014 | 5.00 ppb |
2015-01-19 | 12344013 | 6.00 ppb |
2015-04-16 | 12691565 | 1.000 ppb |
2015-04-16 | 12691567 | 2.00 ppb |
2015-04-16 | 12691568 | 3.00 ppb |
2015-04-16 | 12691566 | 2.00 ppb |
2015-07-16 | 13197569 | 2.64 ppb |
2015-07-16 | 13197581 | 2.64 ppb |
2015-07-16 | 13197593 | 2.64 ppb |
2015-07-16 | 13197605 | 2.64 ppb |
2015-07-16 | 13197617 | 2.64 ppb |
2015-07-16 | 13197629 | 2.64 ppb |
2015-07-16 | 13197641 | 2.64 ppb |
2015-07-16 | 13197653 | 2.64 ppb |
2015-07-16 | 13197521 | 2.64 ppb |
2015-07-16 | 13197533 | 2.64 ppb |
2015-07-16 | 13197545 | 2.64 ppb |
2015-07-16 | 13197557 | 2.64 ppb |
2015-07-16 | 13197483 | 2.64 ppb |
2015-07-16 | 13197495 | 2.64 ppb |
2015-07-16 | 13197507 | 2.64 ppb |
2015-07-16 | 13197471 | 2.64 ppb |
2015-07-16 | 13074734 | 2.64 ppb |
2015-07-16 | 13074744 | 3.99 ppb |
2015-07-16 | 13074741 | 3.71 ppb |
2015-07-16 | 13197564 | 2.73 ppb |
2015-07-16 | 13197576 | 2.73 ppb |
2015-07-16 | 13197588 | 2.73 ppb |
2015-07-16 | 13197600 | 2.73 ppb |
2015-07-16 | 13197612 | 2.73 ppb |
2015-07-16 | 13197624 | 2.73 ppb |
2015-07-16 | 13197636 | 2.73 ppb |
2015-07-16 | 13197648 | 2.73 ppb |
2015-07-16 | 13197516 | 2.73 ppb |
2015-07-16 | 13197528 | 2.73 ppb |
2015-07-16 | 13197540 | 2.73 ppb |
2015-07-16 | 13197552 | 2.73 ppb |
2015-07-16 | 13197478 | 2.73 ppb |
2015-07-16 | 13197490 | 2.73 ppb |
2015-07-16 | 13197502 | 2.73 ppb |
2015-07-16 | 13197466 | 2.73 ppb |
2015-07-16 | 13074729 | 2.73 ppb |
2015-10-15 | 13450499 | 15.0 ppb |
2015-10-15 | 13450497 | 16.0 ppb |
2015-10-15 | 13450498 | 17.0 ppb |
2015-10-15 | 13450500 | 10.00 ppb |
2016-01-19 | 13812138 | 3.00 ppb |
2016-01-19 | 13812137 | 4.00 ppb |
2016-01-19 | 13812125 | 2.80 ppb |
2016-01-19 | 13812120 | 1.80 ppb |
2016-04-19 | 14177071 | 1.70 ppb |
2016-04-19 | 14177076 | 3.80 ppb |
2016-04-19 | 14177081 | 1.60 ppb |
2016-04-19 | 14177086 | 1.80 ppb |
2016-07-19 | 14652345 | 2.00 ppb |
2016-07-19 | 14652344 | ND |
2016-07-19 | 14652346 | 2.00 ppb |
2016-07-19 | 14652343 | ND |
2016-10-18 | 15151530 | 3.00 ppb |
2016-10-18 | 15151529 | 1.000 ppb |
2016-10-18 | 15151531 | 3.00 ppb |
2016-10-18 | 15151532 | 3.00 ppb |
2017-01-17 | 15586264 | 1.000 ppb |
2017-01-17 | 15586267 | ND |
2017-01-17 | 15586265 | 1.000 ppb |
2017-01-17 | 15586266 | ND |
2017-04-18 | 16015022 | 2.00 ppb |
2017-04-18 | 16015025 | ND |
2017-04-18 | 16015023 | 1.000 ppb |
2017-04-18 | 16015024 | ND |
2017-07-18 | 16487803 | 1.000 ppb |
2017-07-18 | 16487797 | 1.000 ppb |
2017-07-18 | 16487785 | 1.000 ppb |
2017-07-18 | 16487791 | 1.000 ppb |
2017-10-17 | 16950757 | 2.00 ppb |
2017-10-17 | 16950751 | 2.00 ppb |
2017-10-17 | 16950739 | 2.00 ppb |
2017-10-17 | 16950745 | 2.00 ppb |
2018-01-17 | 01182410 | 1.000 ppb |
2018-01-17 | 01182409 | 1.000 ppb |
2018-01-17 | 01182407 | 1.000 ppb |
2018-01-17 | 01182408 | 1.000 ppb |
2018-04-17 | 18D1368-04 | 1.000 ppb |
2018-04-17 | 18D1368-03 | ND |
2018-04-17 | 18D1368-01 | 1.000 ppb |
2018-04-17 | 18D1368-02 | 1.000 ppb |
2018-07-18 | 18G1809-01 | 0.820 ppb |
2018-07-18 | 18G1809-03 | ND |
2018-07-18 | 18G1809-02 | 0.740 ppb |
2018-07-18 | 18G1809-04 | ND |
2018-10-17 | 18J1729-04 | 0.926 ppb |
2018-10-17 | 18J1729-03 | ND |
2018-10-17 | 18J1729-01 | 0.963 ppb |
2018-10-17 | 18J1729-02 | ND |
2019-01-16 | 19A1462-02 | 1.06 ppb |
2019-01-16 | 19A1462-01 | ND |
2019-01-16 | 19A1462-01 | 0.982 ppb |
2019-01-16 | 19A1462-02 | ND |
2019-04-16 | 19D0013-04 | 0.666 ppb |
2019-04-16 | 19D0013-03 | 0.571 ppb |
2019-04-16 | 19D0013-01 | 0.767 ppb |
2019-04-16 | 19D0013-02 | 0.599 ppb |
2019-07-17 | 19G0646-04 | ND |
2019-07-17 | 19G0646-03 | 0.738 ppb |
2019-07-17 | 19G0646-01 | 0.743 ppb |
2019-07-17 | 19G0646-02 | ND |
2019-10-16 | 19J0353-04 | 1.70 ppb |
2019-10-16 | 19J0353-03 | 0.807 ppb |
2019-10-16 | 19J0353-01 | 1.24 ppb |
2019-10-16 | 19J0353-02 | 1.17 ppb |