Dibromochloromethane
Lewisburg
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.
107
Samples
0
Samples exceeding legal limit (MCL)
23
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 0.599 ppb | 16 | 5 | ND - 2.68 ppb |
| 2015 | 0.117 ppb | 18 | 2 | ND - 1.10 ppb |
| 2016 | 0.206 ppb | 17 | 3 | ND - 1.20 ppb |
| 2017 | 0.497 ppb | 20 | 8 | ND - 1.64 ppb |
| 2018 | 0.0611 ppb | 19 | 2 | ND - 0.580 ppb |
| 2019 | 0.0706 ppb | 17 | 3 | ND - 0.520 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 |
|---|---|---|
| 2014-02-19 | S2DBP_1402K41-01 | ND |
| 2014-02-19 | S2DBP_1402K41-02 | ND |
| 2014-02-19 | S2DBP_1402K41-03 | ND |
| 2014-02-19 | S2DBP_1402K41-04 | ND |
| 2014-05-14 | S2DBP_1405I36-03 | ND |
| 2014-05-14 | S2DBP_1405I36-04 | ND |
| 2014-05-14 | S2DBP_1405I36-05 | ND |
| 2014-05-14 | S2DBP_1405I36-06 | ND |
| 2014-08-13 | S2DBP_1408G53-01 | 2.00 ppb |
| 2014-08-13 | S2DBP_1408G53-02 | 1.50 ppb |
| 2014-08-13 | S2DBP_1408G53-03 | 1.60 ppb |
| 2014-08-13 | S2DBP_1408G53-04 | 1.80 ppb |
| 2014-11-19 | S2DBP_1411O30-01 | 2.68 ppb |
| 2014-11-19 | S2DBP_1411O30-02 | ND |
| 2014-11-19 | S2DBP_1411O30-03 | ND |
| 2014-11-19 | S2DBP_1411O30-04 | ND |
| 2015-02-11 | S2DBP_1502F43-01 | ND |
| 2015-02-11 | S2DBP_1502F43-02 | ND |
| 2015-02-11 | S2DBP_1502F43-03 | ND |
| 2015-02-11 | S2DBP_1502F43-04 | ND |
| 2015-05-20 | S2DBP_1505Q14-01 | ND |
| 2015-05-20 | S2DBP_1505Q14-02 | ND |
| 2015-05-20 | S2DBP_1505Q14-03 | ND |
| 2015-05-20 | S2DBP_1505Q14-04 | ND |
| 2015-05-20 | S2DBP_1505Q14-05 | ND |
| 2015-08-05 | S2DBP_1508711-03 | 1.000 ppb |
| 2015-08-05 | S2DBP_1508711-04 | ND |
| 2015-08-05 | S2DBP_1508711-05 | ND |
| 2015-08-05 | S2DBP_1508711-06 | 1.10 ppb |
| 2015-08-06 | S2DBP_1508711-07 | ND |
| 2015-10-28 | 1510Z18-03A | ND |
| 2015-10-28 | 1510Z18-04A | ND |
| 2015-10-28 | 1510Z18-05A | ND |
| 2015-10-28 | 1510Z18-06A | ND |
| 2016-02-03 | 1602643-03A | ND |
| 2016-02-03 | 1602643-04A | ND |
| 2016-02-03 | 1602643-05A | ND |
| 2016-02-03 | 1602643-06A | ND |
| 2016-05-11 | 16051484-01A | ND |
| 2016-05-11 | 16051484-02A | ND |
| 2016-05-11 | 16051484-03A | ND |
| 2016-05-11 | 16051484-04A | ND |
| 2016-08-03 | 16080685-03A | 1.20 ppb |
| 2016-08-03 | 16080685-04A | 1.10 ppb |
| 2016-08-03 | 16080685-05A | ND |
| 2016-08-03 | 16080685-06A | 1.20 ppb |
| 2016-11-16 | 16112223-03A | ND |
| 2016-11-16 | 16112223-04A | ND |
| 2016-11-16 | 16112223-05A | ND |
| 2016-11-16 | 16112223-06A | ND |
| 2016-11-17 | 16112223-07A | ND |
| 2017-02-15 | 17022090-03A | ND |
| 2017-02-15 | 17022090-04A | ND |
| 2017-02-15 | 17022090-05A | ND |
| 2017-02-15 | 17022090-06A | ND |
| 2017-02-15 | 17022090-07A | ND |
| 2017-05-02 | 17050662-03A | ND |
| 2017-05-02 | 17050662-04A | ND |
| 2017-05-02 | 17050662-05A | ND |
| 2017-05-02 | 17050662-06A | ND |
| 2017-05-04 | 17050662-07A | ND |
| 2017-08-29 | 17084294-03A | 1.56 ppb |
| 2017-08-29 | 17084294-04A | 1.60 ppb |
| 2017-08-29 | 17084294-05A | 1.58 ppb |
| 2017-08-29 | 17084294-06A | 1.64 ppb |
| 2017-08-31 | 17084294-07A | ND |
| 2017-11-29 | 17113696-03A | 0.960 ppb |
| 2017-11-29 | 17113696-04A | 0.870 ppb |
| 2017-11-29 | 17113696-05A | 0.910 ppb |
| 2017-11-29 | 17113696-06A | 0.810 ppb |
| 2017-11-30 | 17113696-07A | ND |
| 2018-02-01 | 18020119-03A | ND |
| 2018-02-01 | 18020119-04A | ND |
| 2018-02-01 | 18020119-05A | ND |
| 2018-02-01 | 18020119-06A | ND |
| 2018-02-01 | 18020119-07A | ND |
| 2018-05-02 | 18050525-03A | ND |
| 2018-05-02 | 18050525-04A | ND |
| 2018-05-02 | 18050525-05A | ND |
| 2018-05-02 | 18050525-06A | ND |
| 2018-05-03 | 18050525-07A | ND |
| 2018-08-02 | 18080466-03A | ND |
| 2018-08-02 | 18080466-04A | ND |
| 2018-08-02 | 18080466-05A | 0.580 ppb |
| 2018-08-02 | 18080466-06A | 0.580 ppb |
| 2018-08-02 | 18080466-07A | ND |
| 2018-11-01 | 18110181-03A | ND |
| 2018-11-01 | 18110181-04A | ND |
| 2018-11-01 | 18110181-05A | ND |
| 2018-11-01 | 18110181-06A | ND |
| 2019-02-05 | 19020373-03A | ND |
| 2019-02-05 | 19020373-04A | ND |
| 2019-02-05 | 19020373-05A | ND |
| 2019-02-05 | 19020373-06A | ND |
| 2019-05-02 | 19050258-03A | ND |
| 2019-05-02 | 19050258-04A | ND |
| 2019-05-02 | 19050258-05A | ND |
| 2019-05-02 | 19050258-06A | ND |
| 2019-08-07 | 35489482001 | ND |
| 2019-08-07 | 35489482002 | ND |
| 2019-08-07 | 35489482003 | ND |
| 2019-08-07 | 35489482004 | ND |
| 2019-11-25 | 739767003 | ND |
| 2019-11-25 | 739767004 | ND |
| 2019-11-25 | 739767005 | 0.370 ppb |
| 2019-11-25 | 739767006 | 0.520 ppb |
| 2019-11-25 | 739767007 | 0.310 ppb |