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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

City of Burlington

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

 

209

Samples

0

Samples exceeding legal limit (MCL)

53

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.372 ppb439ND - 3.00 ppb
20150.843 ppb3315ND - 2.69 ppb
20160.437 ppb379ND - 2.23 ppb
20170.908 ppb3217ND - 2.25 ppb
20180.178 ppb323ND - 2.45 ppb
2019ND320ND

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
2014-01-1315859-14ND
2014-01-1337729_14-015022.00 ppb
2014-02-1937729_14-05082ND
2014-02-1937729_14-050843.00 ppb
2014-02-1937729_14-05085ND
2014-02-1937729_14-050862.00 ppb
2014-02-1937729_14-050872.00 ppb
2014-02-1937729_14-050892.00 ppb
2014-02-1937729_14-050902.00 ppb
2014-02-1937729_14-05091ND
2014-04-0917228-14ND
2014-04-0917229-14ND
2014-04-1017230-14ND
2014-05-21173145-14ND
2014-05-2137729_14-14604ND
2014-05-2137729_14-14606ND
2014-05-2137729_14-146071.000 ppb
2014-05-2137729_14-14608ND
2014-05-2137729_14-14609ND
2014-05-2137729_14-14611ND
2014-05-2137729_14-14612ND
2014-05-2137729_14-14613ND
2014-06-02173144-14ND
2014-08-2037729_14-25453ND
2014-08-2037729_14-25454ND
2014-08-2037729_14-25455ND
2014-08-2037729_14-25456ND
2014-08-2037729_14-25457ND
2014-08-2037729_14-25459ND
2014-08-2037729_14-25460ND
2014-08-2037729_14-25461ND
2014-08-20173773-141.000 ppb
2014-08-20173774-141.000 ppb
2014-11-1937729_14-35488ND
2014-11-1937729_14-35489ND
2014-11-1937729_14-35490ND
2014-11-1937729_14-35491ND
2014-11-1937729_14-35492ND
2014-11-1937729_14-35493ND
2014-11-1937729_14-35494ND
2014-11-1937729_14-35495ND
2014-11-19174412-14ND
2014-11-19174413-14ND
2015-02-18ND
2015-02-181.05 ppb
2015-02-181.09 ppb
2015-02-18ND
2015-02-18ND
2015-02-18ND
2015-02-18ND
2015-02-18ND
2015-05-19ND
2015-05-212.00 ppb
2015-05-211.000 ppb
2015-05-212.00 ppb
2015-05-21ND
2015-05-21ND
2015-05-21ND
2015-05-212.00 ppb
2015-08-192.69 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-08-192.00 ppb
2015-11-18ND
2015-11-18ND
2015-11-18ND
2015-11-18ND
2015-11-18ND
2015-11-18ND
2015-11-18ND
2015-11-18ND
2016-02-1737729_16-05238ND
2016-02-1737729_16-05239ND
2016-02-1737729_16-05240ND
2016-02-1737729_16-05241ND
2016-02-1737729_16-05242ND
2016-02-1737729_16-05243ND
2016-02-1737729_16-05244ND
2016-02-1737729_16-05245ND
2016-05-1837729_16-158471.24 ppb
2016-05-1837729_16-158512.18 ppb
2016-05-1837729_16-158522.23 ppb
2016-05-1837729_16-158531.11 ppb
2016-05-1837729_16-158541.98 ppb
2016-05-1837729_16-158551.98 ppb
2016-05-1837729_16-158562.15 ppb
2016-05-1837729_16-158571.32 ppb
2016-08-1837729_16-28770ND
2016-08-1837729_16-28771ND
2016-08-1837729_16-28772ND
2016-08-1837729_16-28773ND
2016-08-1837729_16-28774ND
2016-08-1837729_16-28775ND
2016-08-1837729_16-28776ND
2016-08-1837729_16-28777ND
2016-08-1837729_16-28778ND
2016-08-181140-162.00 ppb
2016-08-2237729_16-28769ND
2016-11-1737729_16-40614ND
2016-11-1737729_16-40615ND
2016-11-1737729_16-40616ND
2016-11-1737729_16-40617ND
2016-11-1737729_16-40618ND
2016-11-1737729_16-40619ND
2016-11-1737729_16-40620ND
2016-11-1737729_16-40621ND
2016-11-1737729_16-40622ND
2016-11-1737729_16-40623ND
2017-02-1537729_17-05559ND
2017-02-1537729_17-05560ND
2017-02-1537729_17-05561ND
2017-02-1537729_17-05562ND
2017-02-1537729_17-05563ND
2017-02-1537729_17-05564ND
2017-02-1537729_17-05565ND
2017-02-1537729_17-05566ND
2017-05-1737729_17-16603ND
2017-05-1737729_17-16604ND
2017-05-1737729_17-16605ND
2017-05-1737729_17-166061.15 ppb
2017-05-1737729_17-166071.29 ppb
2017-05-1737729_17-166081.12 ppb
2017-05-1737729_17-166091.35 ppb
2017-05-1737729_17-166101.06 ppb
2017-08-1637729_17-29513ND
2017-08-1637729_17-295141.85 ppb
2017-08-1637729_17-295151.34 ppb
2017-08-1637729_17-295161.73 ppb
2017-08-1637729_17-295171.92 ppb
2017-08-1637729_17-295181.92 ppb
2017-08-1637729_17-295191.80 ppb
2017-08-1637729_17-295201.53 ppb
2017-11-1537729_17-43441ND
2017-11-1537729_17-434422.19 ppb
2017-11-1537729_17-434432.25 ppb
2017-11-1537729_17-434442.12 ppb
2017-11-1537729_17-434452.22 ppb
2017-11-1537729_17-434462.24 ppb
2017-11-1537729_17-43447ND
2017-11-1537729_17-43448ND
2018-02-2037729_18-07245 ND
2018-02-2137729_18-07243 ND
2018-02-2137729_18-07246 ND
2018-02-2137729_18-07247 ND
2018-02-2137729_18-07248 2.45 ppb
2018-02-2137729_18-07249 1.95 ppb
2018-02-2137729_18-07250 1.30 ppb
2018-02-2137729_18-07251 ND
2018-05-3037729_18-21553 ND
2018-05-3037729_18-21554 ND
2018-05-3037729_18-21555 ND
2018-05-3037729_18-21556 ND
2018-05-3037729_18-21557 ND
2018-05-3037729_18-21558 ND
2018-05-3037729_18-21559 ND
2018-05-3037729_18-21560 ND
2018-08-1537729_18-34328 ND
2018-08-1537729_18-34329 ND
2018-08-1537729_18-34330 ND
2018-08-1537729_18-34331 ND
2018-08-1537729_18-34332 ND
2018-08-1537729_18-34333 ND
2018-08-1537729_18-34334 ND
2018-08-1537729_18-34335 ND
2018-11-1437729_18-48169 ND
2018-11-1437729_18-48170 ND
2018-11-1437729_18-48171 ND
2018-11-1437729_18-48172 ND
2018-11-1437729_18-48173 ND
2018-11-1437729_18-48174 ND
2018-11-1437729_18-48175 ND
2018-11-1437729_18-48176 ND
2019-02-1937729_19-07385 ND
2019-02-1937729_19-07386 ND
2019-02-1937729_19-07387 ND
2019-02-1937729_19-07388 ND
2019-02-1937729_19-07389 ND
2019-02-1937729_19-07390 ND
2019-02-1937729_19-07391 ND
2019-02-1937729_19-07392 ND
2019-05-1537729_19-20130 ND
2019-05-1537729_19-20131 ND
2019-05-1537729_19-20132 ND
2019-05-1537729_19-20133 ND
2019-05-1537729_19-20134 ND
2019-05-1537729_19-20135 ND
2019-05-1537729_19-20136 ND
2019-05-1537729_19-20137 ND
2019-08-2137729_19-36220 ND
2019-08-2137729_19-36221 ND
2019-08-2137729_19-36222 ND
2019-08-2137729_19-36223 ND
2019-08-2137729_19-36224 ND
2019-08-2137729_19-36225 ND
2019-08-2137729_19-36226 ND
2019-08-2137729_19-36227 ND
2019-11-2037729_19-50098 ND
2019-11-2037729_19-50102 ND
2019-11-2037729_19-50103 ND
2019-11-2037729_19-50104 ND
2019-11-2037729_19-50105 ND
2019-11-2037729_19-50106 ND
2019-11-2037729_19-50107 ND
2019-11-2037729_19-50108 ND