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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Watauga

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)

46

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.863 ppb168ND - 2.40 ppb
2015ND160ND
20160.469 ppb164ND - 2.10 ppb
20172.42 ppb1612ND - 9.70 ppb
20180.775 ppb168ND - 1.90 ppb
20191.28 ppb1614ND - 2.00 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
2014-03-12Q14083430041.40 ppb
2014-03-12Q14083430031.10 ppb
2014-03-12Q14083430021.20 ppb
2014-03-12Q14083430011.000 ppb
2014-04-16Q14122640062.20 ppb
2014-04-16Q14122640052.40 ppb
2014-04-16Q14122640042.20 ppb
2014-04-16Q14122640032.30 ppb
2014-08-06Q1434668002ND
2014-08-06Q1434668001ND
2014-08-06Q1434668003ND
2014-08-06Q1434668004ND
2014-10-07Q1451563004ND
2014-10-07Q1451563003ND
2014-10-07Q1451563002ND
2014-10-07Q1451563001ND
2015-02-05Q1504734006ND
2015-02-05Q1504734005ND
2015-02-05Q1504734004ND
2015-02-05Q1504734003ND
2015-04-15Q1514286001ND
2015-04-15Q1514286002ND
2015-04-15Q1514286004ND
2015-04-15Q1514286003ND
2015-08-13Q1532194004ND
2015-08-13Q1532194003ND
2015-08-13Q1532194002ND
2015-08-13Q1532194001ND
2015-10-06Q1539088004ND
2015-10-06Q1539088003ND
2015-10-06Q1539088002ND
2015-10-06Q1539088001ND
2016-01-11Q1600754003ND
2016-01-11Q1600754002ND
2016-01-11Q1600754004ND
2016-01-11Q1600754001ND
2016-04-14Q16149030041.90 ppb
2016-04-14Q16149030032.10 ppb
2016-04-14Q16149030021.90 ppb
2016-04-14Q16149030011.60 ppb
2016-08-03Q1632201004ND
2016-08-03Q1632201003ND
2016-08-03Q1632201002ND
2016-08-03Q1632201001ND
2016-10-24Q1645414003ND
2016-10-24Q1645414002ND
2016-10-24Q1645414004ND
2016-10-24Q1645414001ND
2017-01-09Q17007530061.20 ppb
2017-01-09Q17007530031.10 ppb
2017-01-09Q1700753005ND
2017-01-09Q1700753002ND
2017-05-02Q17179420049.70 ppb
2017-05-02Q17179420039.00 ppb
2017-05-02Q17179420024.00 ppb
2017-05-02Q17179420013.30 ppb
2017-07-18Q17294870021.10 ppb
2017-07-18Q1729487001ND
2017-07-18Q1729487003ND
2017-07-18Q17294870041.10 ppb
2017-10-10Q17506690041.60 ppb
2017-10-10Q17506690031.40 ppb
2017-10-10Q17506690021.90 ppb
2017-10-10Q17506690013.30 ppb
2018-01-04Q18004410081.90 ppb
2018-01-04Q18004410071.90 ppb
2018-01-04Q18004410061.40 ppb
2018-01-04Q18004410051.20 ppb
2018-04-04Q1813842004ND
2018-04-04Q1813842007ND
2018-04-04Q1813842008ND
2018-04-04Q1813842005ND
2018-07-11Q18272880081.30 ppb
2018-07-11Q18272880071.70 ppb
2018-07-11Q18272880061.80 ppb
2018-07-11Q18272880051.20 ppb
2018-10-03Q1839509008ND
2018-10-03Q1839509007ND
2018-10-03Q1839509006ND
2018-10-03Q1839509005ND
2019-02-12Q19061670061.20 ppb
2019-02-12Q19061670051.10 ppb
2019-02-12Q19061670071.10 ppb
2019-02-12Q19061670081.10 ppb
2019-04-01Q19128730081.10 ppb
2019-04-01Q19128730071.10 ppb
2019-04-01Q1912873006ND
2019-04-01Q1912873005ND
2019-07-16Q19452520082.00 ppb
2019-07-16Q19452520072.00 ppb
2019-07-16Q19452520061.90 ppb
2019-07-16Q19452520051.90 ppb
2019-10-21Q19730870051.30 ppb
2019-10-21Q19730870081.60 ppb
2019-10-21Q19730870071.50 ppb
2019-10-21Q19730870061.50 ppb