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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Wailuku

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids 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

 

100

Samples

0

Samples exceeding legal limit (MCL)

52

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20150.556 ppb3211ND - 3.00 ppb
20160.890 ppb209ND - 3.70 ppb
20171.000 ppb167ND - 3.60 ppb
20181.58 ppb1612ND - 3.70 ppb
20191.74 ppb1613ND - 3.90 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2015-01-14201501190214ND
2015-01-14201501190215ND
2015-01-14201501190216ND
2015-01-142015011902181.20 ppb
2015-01-142015011902193.00 ppb
2015-01-14201501190213ND
2015-01-15201501190223ND
2015-01-15201501190224ND
2015-04-09201504140819ND
2015-04-092015041408342.50 ppb
2015-04-09201504140833ND
2015-04-09201504140832ND
2015-04-092015041408311.30 ppb
2015-04-09201504140820ND
2015-04-09201504140818ND
2015-04-09201504140817ND
2015-07-22201507240275ND
2015-07-22201507240279ND
2015-07-222015072402781.60 ppb
2015-07-22201507240277ND
2015-07-22201507240276ND
2015-07-22201507240274ND
2015-07-22201507240273ND
2015-07-222015072402721.40 ppb
2015-10-09201510130316ND
2015-10-092015101303171.10 ppb
2015-10-092015101303181.000 ppb
2015-10-09201510130319ND
2015-10-092015101303201.40 ppb
2015-10-092015101303211.000 ppb
2015-10-09201510130322ND
2015-10-092015101303232.30 ppb
2016-01-15ND
2016-01-15ND
2016-01-15ND
2016-01-15ND
2016-01-151.10 ppb
2016-01-153.10 ppb
2016-01-15ND
2016-01-151.000 ppb
2016-04-142.30 ppb
2016-04-14ND
2016-04-141.30 ppb
2016-04-14ND
2016-07-15ND
2016-07-153.20 ppb
2016-07-15ND
2016-07-151.000 ppb
2016-10-06ND
2016-10-063.70 ppb
2016-10-06ND
2016-10-061.10 ppb
2017-01-13ND
2017-01-133.20 ppb
2017-01-13ND
2017-01-13ND
2017-04-062.90 ppb
2017-04-06ND
2017-04-06ND
2017-04-06ND
2017-07-131.10 ppb
2017-07-132.80 ppb
2017-07-13ND
2017-07-13ND
2017-10-06ND
2017-10-061.10 ppb
2017-10-063.60 ppb
2017-10-061.30 ppb
2018-01-112018011806401.30 ppb
2018-01-112018011806413.30 ppb
2018-01-112018011806431.20 ppb
2018-01-11201801180642ND
2018-04-052018041005031.60 ppb
2018-04-052018041005043.40 ppb
2018-04-05201804100505ND
2018-04-052018041005061.30 ppb
2018-07-02201807060179ND
2018-07-02201807060178ND
2018-07-022018070601761.30 ppb
2018-07-022018070601772.20 ppb
2018-10-042018100903841.70 ppb
2018-10-042018100903821.70 ppb
2018-10-042018100903833.70 ppb
2018-10-042018100903852.60 ppb
2019-01-032019010800782.80 ppb
2019-01-03201901080079ND
2019-01-03201901080080ND
2019-01-03201901080077ND
2019-04-052019040904741.60 ppb
2019-04-052019040904771.90 ppb
2019-04-052019040904761.10 ppb
2019-04-052019040904753.90 ppb
2019-07-262019073003382.70 ppb
2019-07-262019073003412.00 ppb
2019-07-262019073003392.90 ppb
2019-07-262019073003401.000 ppb
2019-10-032019100806052.80 ppb
2019-10-032019100806061.20 ppb
2019-10-032019100806071.80 ppb
2019-10-032019100806042.20 ppb