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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

University Water System

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

80

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.50 ppb1615ND - 3.00 ppb
20151.81 ppb1614ND - 3.00 ppb
20161.19 ppb1611ND - 4.00 ppb
20171.56 ppb1611ND - 4.00 ppb
20182.00 ppb1613ND - 3.00 ppb
20192.31 ppb16162.00 ppb - 3.00 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
2014-01-2820312451.000 ppb
2014-01-2820312461.000 ppb
2014-01-3020312421.000 ppb
2014-01-3020312471.000 ppb
2014-04-2920499773.00 ppb
2014-04-3020499783.00 ppb
2014-04-3020499793.00 ppb
2014-04-3020499763.00 ppb
2014-07-2820674361.000 ppb
2014-07-2820710221.000 ppb
2014-07-302067455ND
2014-07-3020710211.000 ppb
2014-10-3020906311.000 ppb
2014-10-3020906401.000 ppb
2014-10-3020906321.000 ppb
2014-10-3020906302.00 ppb
2015-01-29OE2121363.00 ppb
2015-01-29OE2121373.00 ppb
2015-01-29OE2121383.00 ppb
2015-01-29OE2121392.00 ppb
2015-04-27OE2358963.00 ppb
2015-04-27OE2358973.00 ppb
2015-04-27OE2358983.00 ppb
2015-04-27OE2358992.00 ppb
2015-07-30OE2736331.000 ppb
2015-07-30OE2736321.000 ppb
2015-07-30OE273630ND
2015-07-30OE2736311.000 ppb
2015-10-29OE3134131.000 ppb
2015-10-29OE3134112.00 ppb
2015-10-29OE3134121.000 ppb
2015-10-29OE313414ND
2016-01-29OE3406083.00 ppb
2016-01-29OE3406054.00 ppb
2016-01-29OE3406063.00 ppb
2016-01-29OE3406071.000 ppb
2016-04-29OE3727701.000 ppb
2016-04-29OE3727711.000 ppb
2016-04-29OE3727691.000 ppb
2016-04-29OE372768ND
2016-07-29OE4078691.000 ppb
2016-07-29OE4078701.000 ppb
2016-07-29OE4078681.000 ppb
2016-07-29OE4078672.00 ppb
2016-10-31OE446788ND
2016-10-31OE446789ND
2016-10-31OE446790ND
2016-10-31OE446787ND
2017-01-30OE475197ND
2017-01-30OE475195ND
2017-01-30OE475198ND
2017-01-30OE475196ND
2017-04-19OE5040711.000 ppb
2017-04-19OE5040721.000 ppb
2017-04-19OE504073ND
2017-04-19OE5040741.000 ppb
2017-07-19OE5395831.000 ppb
2017-07-19OE5395801.000 ppb
2017-07-19OE5395812.00 ppb
2017-07-19OE5395822.00 ppb
2017-10-30OE5839184.00 ppb
2017-10-30OE5839174.00 ppb
2017-10-30OE5839154.00 ppb
2017-10-30OE5839164.00 ppb
2018-01-29OE6161413.00 ppb
2018-01-29OE6161403.00 ppb
2018-01-29OE6161393.00 ppb
2018-01-29OE6161383.00 ppb
2018-04-27OE6507612.00 ppb
2018-04-27OE6507582.00 ppb
2018-04-27OE6507592.00 ppb
2018-04-27OE6507602.00 ppb
2018-07-31OE691634ND
2018-07-31OE691633ND
2018-07-31OE691632ND
2018-07-31OE6916311.000 ppb
2018-10-30OE7334952.00 ppb
2018-10-30OE7334963.00 ppb
2018-10-30OE7334973.00 ppb
2018-10-30OE7334983.00 ppb
2019-01-28OE7650663.00 ppb
2019-01-28OE7650672.00 ppb
2019-01-28OE7650682.00 ppb
2019-01-28OE7650692.00 ppb
2019-04-23OE7985512.00 ppb
2019-04-23OE7985542.00 ppb
2019-04-23OE7985532.00 ppb
2019-04-23OE7985522.00 ppb
2019-07-26OE8407732.00 ppb
2019-07-26OE8407752.00 ppb
2019-07-26OE8407743.00 ppb
2019-07-26OE8407723.00 ppb
2019-10-30OE8869572.00 ppb
2019-10-30OE8869562.00 ppb
2019-10-30OE8869553.00 ppb
2019-10-30OE8869543.00 ppb