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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Dover Water Department

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

 

64

Samples

0

Samples exceeding legal limit (MCL)

37

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
20161.20 ppb169ND - 5.20 ppb
20170.863 ppb166ND - 4.20 ppb
20181.50 ppb1614ND - 3.30 ppb
20190.931 ppb168ND - 3.80 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
2016-02-10B6006430021.30 ppb
2016-02-10B6006430035.20 ppb
2016-02-10B6006430042.00 ppb
2016-02-10B6006430011.40 ppb
2016-05-17B602906001ND
2016-05-17B602906002ND
2016-05-17B6029060031.20 ppb
2016-05-17B6029060041.50 ppb
2016-08-16B6075670021.70 ppb
2016-08-16B607567004ND
2016-08-16B6075670033.20 ppb
2016-08-16B6075670011.70 ppb
2016-11-14B610194001ND
2016-11-14B610194002ND
2016-11-14B610194003ND
2016-11-14B610194004ND
2017-02-15B700692002ND
2017-02-15B700692004ND
2017-02-15B7006920034.20 ppb
2017-02-15B700692001ND
2017-05-16B702573001ND
2017-05-16B702573002ND
2017-05-16B7025730033.80 ppb
2017-05-16B7025730041.20 ppb
2017-08-14B707045001ND
2017-08-14B707045002ND
2017-08-14B707045003ND
2017-08-14B707045004ND
2017-11-15B7098940011.10 ppb
2017-11-15B709894002ND
2017-11-15B7098940032.50 ppb
2017-11-15B7098940041.000 ppb
2018-02-12B8005580012.30 ppb
2018-02-12B8005580043.30 ppb
2018-02-12B8005580021.70 ppb
2018-02-12B8005580032.40 ppb
2018-05-17B8026010011.30 ppb
2018-05-17B8026010021.10 ppb
2018-05-17B8026010032.00 ppb
2018-05-18B8026430011.90 ppb
2018-08-15B8069550011.000 ppb
2018-08-15B806955002ND
2018-08-15B806955003ND
2018-08-15B8069550041.70 ppb
2018-11-15B8096310011.10 ppb
2018-11-15B8096310021.000 ppb
2018-11-15B8096310031.20 ppb
2018-11-15B8096310042.00 ppb
2019-02-11B9007560021.20 ppb
2019-02-11B900756004ND
2019-02-11B9007560031.90 ppb
2019-02-11B900756001ND
2019-05-15B9028800011.20 ppb
2019-05-15B9028800021.10 ppb
2019-05-15B9028800033.80 ppb
2019-05-15B9028800042.20 ppb
2019-08-13B907249001ND
2019-08-13B907249002ND
2019-08-13B907249003ND
2019-08-13B907249004ND
2019-11-14B9100960011.90 ppb
2019-11-14B9100960021.60 ppb
2019-11-14B910096003ND
2019-11-14B910096004ND