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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Etowah

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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

 

102

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND170ND
2015ND170ND
2016ND170ND
2017ND170ND
2018ND170ND
2019ND170ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform 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
2014-02-11AI28318ND
2014-02-11AI28319ND
2014-02-11AI28320ND
2014-02-11AI28321ND
2014-02-25AI28587ND
2014-05-15AI40654ND
2014-05-15AI40655ND
2014-05-15AI40656ND
2014-05-15AI40657ND
2014-08-13AI49900ND
2014-08-13AI49901ND
2014-08-13AI49902ND
2014-08-13AI49903ND
2014-11-13AI59541ND
2014-11-13AI59542ND
2014-11-13AI59543ND
2014-11-13AI59544ND
2015-02-11AI64881ND
2015-02-11AI64882ND
2015-02-11AI64883ND
2015-02-11AI64884ND
2015-02-23AI65345ND
2015-05-13AI77148ND
2015-05-13AI77149ND
2015-05-13AI77150ND
2015-05-13AI77151ND
2015-08-10AI85876ND
2015-08-10AI85877ND
2015-08-10AI85878ND
2015-08-10AI85879ND
2015-11-09AJ00730ND
2015-11-09AJ00731ND
2015-11-09AJ00732ND
2015-11-09AJ00733ND
2016-02-08AJ06072ND
2016-02-08AJ06073ND
2016-02-08AJ06074ND
2016-02-08AJ06075ND
2016-02-22AJ06907ND
2016-05-09AJ11839ND
2016-05-09AJ11840ND
2016-05-09AJ11841ND
2016-05-09AJ11842ND
2016-08-10AJ22175ND
2016-08-10AJ22176ND
2016-08-10AJ22177ND
2016-08-10AJ22178ND
2016-11-07AJ32804ND
2016-11-07AJ32805ND
2016-11-07AJ32806ND
2016-11-07AJ32807ND
2017-02-09AJ46224ND
2017-02-09AJ46225ND
2017-02-09AJ46226ND
2017-02-09AJ46227ND
2017-05-04AJ54790ND
2017-05-08AJ54956ND
2017-05-08AJ54957ND
2017-05-08AJ54958ND
2017-05-08AJ54959ND
2017-08-09AJ63583ND
2017-08-09AJ63584ND
2017-08-09AJ63585ND
2017-08-09AJ63586ND
2017-11-14AJ73745ND
2017-11-14AJ73746ND
2017-11-14AJ73747ND
2017-11-14AJ73748ND
2018-02-08AJ83558ND
2018-02-08AJ83559ND
2018-02-08AJ83560ND
2018-02-08AJ83561ND
2018-02-12AJ83653ND
2018-05-08AJ89062ND
2018-05-08AJ89063ND
2018-05-08AJ89064ND
2018-05-08AJ89065ND
2018-08-08AJ97159ND
2018-08-08AJ97160ND
2018-08-08AJ97161ND
2018-08-08AJ97162ND
2018-11-13AK05857ND
2018-11-13AK05858ND
2018-11-13AK05859ND
2018-11-13AK05860ND
2019-02-14AK11370ND
2019-02-14AK11371ND
2019-02-14AK11372ND
2019-02-14AK11373ND
2019-03-19AK13561ND
2019-05-13AK17433ND
2019-05-13AK17434ND
2019-05-13AK17435ND
2019-05-13AK17436ND
2019-08-13AK25870ND
2019-08-13AK25871ND
2019-08-13AK25872ND
2019-08-13AK25873ND
2019-11-14AK36854ND
2019-11-14AK36855ND
2019-11-14AK36856ND
2019-11-14AK36857ND