Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dibromochloromethane

City of Granbury

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.

MORE ABOUT THIS CONTAMINANT

 

168

Samples

0

Samples exceeding legal limit (MCL)

108

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20144.63 ppb2112ND - 18.9 ppb
20154.89 ppb2616ND - 44.8 ppb
20166.37 ppb2415ND - 58.0 ppb
20175.79 ppb4020ND - 59.8 ppb
20183.56 ppb2721ND - 11.0 ppb
20199.40 ppb3024ND - 45.8 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
2014-02-26Q14064480017.04 ppb
2014-02-26Q140644800213.1 ppb
2014-02-26Q140644800317.5 ppb
2014-02-26Q14064480046.78 ppb
2014-06-17Q14216670041.70 ppb
2014-06-17Q142166700518.9 ppb
2014-06-17Q142166700110.5 ppb
2014-06-17Q1421667002ND
2014-07-09Q1426808002ND
2014-07-09Q1426808003ND
2014-07-09Q1426808005ND
2014-07-09Q14268080076.17 ppb
2014-07-09Q1426808055ND
2014-07-09Q14268080564.40 ppb
2014-07-09Q14268080574.20 ppb
2014-07-09Q1426808058ND
2014-07-09Q1426808068ND
2014-10-22Q1453503002ND
2014-10-22Q14535030033.80 ppb
2014-10-22Q14535030043.10 ppb
2014-10-22Q1453503005ND
2015-03-03Q15079880012.60 ppb
2015-03-03Q15079880025.30 ppb
2015-03-03Q15079880033.40 ppb
2015-03-03Q15079880042.30 ppb
2015-06-18Q1522966002ND
2015-06-18Q1522966005ND
2015-06-18Q1522966007ND
2015-06-18Q1522966008ND
2015-06-18Q152296601144.8 ppb
2015-06-18Q1522966013ND
2015-06-18Q1522966026ND
2015-06-18Q15229660276.02 ppb
2015-06-18Q15229660287.67 ppb
2015-06-18Q1522966025ND
2015-08-06Q153088000626.1 ppb
2015-08-06Q15308800011.14 ppb
2015-08-06Q15308800024.99 ppb
2015-08-06Q15308800033.79 ppb
2015-08-06Q1530880004ND
2015-11-16Q1544973002ND
2015-11-16Q15449730031.90 ppb
2015-11-16Q1544973005ND
2015-11-16Q15449730092.35 ppb
2015-11-16Q15449730105.09 ppb
2015-11-16Q15449730117.68 ppb
2015-11-16Q15449730122.00 ppb
2016-01-14Q1601671028ND
2016-01-14Q160167103033.1 ppb
2016-01-14Q1601671032ND
2016-01-14Q1601671034ND
2016-01-14Q1601671037ND
2016-01-14Q1601671024ND
2016-01-14Q16016710259.40 ppb
2016-01-14Q16016710266.42 ppb
2016-01-14Q1601671027ND
2016-05-31Q1621308009ND
2016-05-31Q16213080041.17 ppb
2016-05-31Q16213080052.05 ppb
2016-05-31Q16213080064.84 ppb
2016-05-31Q1621308007ND
2016-07-28Q163094800258.0 ppb
2016-07-28Q163094800312.1 ppb
2016-07-28Q16309480042.92 ppb
2016-07-28Q16309480051.10 ppb
2016-07-28Q16309480069.23 ppb
2016-11-30Q1652000005ND
2016-11-30Q16520000013.31 ppb
2016-11-30Q16520000073.07 ppb
2016-11-30Q16520000023.71 ppb
2016-11-30Q16520000082.57 ppb
2017-02-16Q17068060022.12 ppb
2017-02-16Q1706806003ND
2017-02-16Q1706806004ND
2017-02-16Q17068060052.10 ppb
2017-04-17Q17155650024.18 ppb
2017-04-17Q17155650035.19 ppb
2017-04-17Q17155650041.86 ppb
2017-04-17Q17155650057.92 ppb
2017-04-17Q1715565006ND
2017-04-17Q1715565008ND
2017-04-17Q1715565011ND
2017-04-17Q1715565012ND
2017-04-17Q1715565015ND
2017-07-06Q17275150161.14 ppb
2017-07-06Q17275150044.47 ppb
2017-07-06Q17275150229.93 ppb
2017-07-06Q172751501510.2 ppb
2017-07-06Q17275150055.66 ppb
2017-07-06Q1727515023ND
2017-07-06Q1727515051ND
2017-07-06Q1727515018ND
2017-07-06Q1727515041ND
2017-07-06Q1727515021ND
2017-09-19Q1744801004ND
2017-09-19Q174480100659.8 ppb
2017-09-19Q174480100821.2 ppb
2017-09-19Q17448010103.86 ppb
2017-09-19Q174480101346.6 ppb
2017-10-03Q17483240084.55 ppb
2017-10-03Q174832400921.6 ppb
2017-10-03Q174832401011.2 ppb
2017-10-03Q17483240114.30 ppb
2017-10-03Q1748324013ND
2017-10-03Q1748324015ND
2017-10-03Q1748324017ND
2017-10-03Q1748324019ND
2017-10-03Q1748324021ND
2017-10-04Q1748839042ND
2017-10-04Q1748839034ND
2017-10-04Q17488390363.67 ppb
2018-01-22Q1802342002ND
2018-01-22Q18023420032.67 ppb
2018-01-22Q18023420115.45 ppb
2018-01-22Q18023420123.10 ppb
2018-01-22Q18023420133.48 ppb
2018-01-22Q18023420142.91 ppb
2018-05-02Q1817630017ND
2018-05-02Q1817630013ND
2018-05-02Q1817630014ND
2018-05-02Q18176300222.40 ppb
2018-05-02Q1817630010ND
2018-05-02Q1817630011ND
2018-05-02Q18176300231.32 ppb
2018-07-23Q18290470047.01 ppb
2018-07-23Q18290470021.49 ppb
2018-07-23Q18290470057.01 ppb
2018-07-23Q18290470038.06 ppb
2018-09-26Q18386360023.58 ppb
2018-09-26Q18386360051.96 ppb
2018-12-10Q18504730052.22 ppb
2018-12-10Q18504730078.21 ppb
2018-12-10Q18504730091.45 ppb
2018-12-10Q18504730037.46 ppb
2018-12-10Q185047302311.0 ppb
2018-12-10Q18504730243.65 ppb
2018-12-10Q18504730255.34 ppb
2018-12-10Q18504730266.24 ppb
2019-01-30Q190457600212.6 ppb
2019-01-30Q190457600310.7 ppb
2019-01-30Q190457600413.6 ppb
2019-01-30Q190457600512.6 ppb
2019-03-18Q1911097005ND
2019-03-18Q19110970076.04 ppb
2019-03-18Q191109700914.2 ppb
2019-03-18Q191109701110.4 ppb
2019-03-18Q19110970141.65 ppb
2019-03-18Q1911097016ND
2019-04-15Q191499500215.7 ppb
2019-04-15Q19149950032.92 ppb
2019-04-15Q19149950042.79 ppb
2019-04-15Q191499500512.0 ppb
2019-05-09Q19230930141.17 ppb
2019-05-09Q19230930161.57 ppb
2019-05-09Q19230930028.03 ppb
2019-05-09Q1923093005ND
2019-05-09Q1923093006ND
2019-05-09Q1923093012ND
2019-09-04Q19621640025.96 ppb
2019-09-04Q196216400445.8 ppb
2019-09-04Q196216400510.6 ppb
2019-09-04Q19621640068.73 ppb
2019-09-04Q196216400744.8 ppb
2019-09-04Q1962164008ND
2019-11-06Q19760230028.35 ppb
2019-11-06Q197602300311.5 ppb
2019-11-06Q19760230049.50 ppb
2019-11-06Q197602300510.7 ppb