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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Harlingen Water Works 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

 

191

Samples

0

Samples exceeding legal limit (MCL)

185

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20146.72 ppb3228ND - 11.1 ppb
20158.96 ppb3130ND - 15.6 ppb
20168.06 ppb32321.10 ppb - 15.9 ppb
20176.43 ppb3231ND - 8.50 ppb
201811.1 ppb32324.80 ppb - 19.4 ppb
20197.89 ppb32322.80 ppb - 13.6 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
2014-03-06AC4594110.00 ppb
2014-03-06AC45934ND
2014-03-06AC459368.20 ppb
2014-03-06AC459738.20 ppb
2014-03-06AC459378.90 ppb
2014-03-06AC4595510.9 ppb
2014-03-06AC4593210.00 ppb
2014-03-06AC459729.80 ppb
2014-05-07AC534521.20 ppb
2014-05-07AC53473ND
2014-05-07AC534467.40 ppb
2014-05-07AC534767.40 ppb
2014-05-07AC534627.60 ppb
2014-05-07AC534586.40 ppb
2014-05-07AC534506.70 ppb
2014-06-24AC5791011.1 ppb
2014-07-22AC605805.20 ppb
2014-07-22AC60584ND
2014-07-22AC605835.70 ppb
2014-07-22AC605865.40 ppb
2014-07-22AC606067.60 ppb
2014-07-22AC605857.60 ppb
2014-07-22AC606027.70 ppb
2014-07-22AC605815.70 ppb
2014-10-07AC689926.10 ppb
2014-10-07AC68998ND
2014-10-07AC689906.40 ppb
2014-10-07AC689977.40 ppb
2014-10-07AC689899.60 ppb
2014-10-07AC689938.90 ppb
2014-10-07AC6899510.7 ppb
2014-10-07AC689997.20 ppb
2015-03-19AC852617.50 ppb
2015-03-19AC8525710.7 ppb
2015-03-19AC8528710.8 ppb
2015-03-19AC852538.90 ppb
2015-03-19AC8525111.6 ppb
2015-03-19AC852629.40 ppb
2015-03-19AC8528611.5 ppb
2015-06-18AC965621.20 ppb
2015-06-18AC96560ND
2015-06-18AC965961.50 ppb
2015-06-18AC9656112.4 ppb
2015-06-18AC9659812.4 ppb
2015-06-18AC9659913.2 ppb
2015-06-18AC9655515.6 ppb
2015-06-18AC9655713.4 ppb
2015-09-22AD0799511.3 ppb
2015-09-22AD079735.40 ppb
2015-09-22AD080107.10 ppb
2015-09-22AD079939.00 ppb
2015-09-22AD080078.00 ppb
2015-09-22AD0801110.5 ppb
2015-09-22AD079979.40 ppb
2015-09-22AD079929.10 ppb
2015-11-12AD1336011.6 ppb
2015-11-12AD133571.30 ppb
2015-11-12AD133567.40 ppb
2015-11-12AD133537.80 ppb
2015-11-12AD133528.70 ppb
2015-11-12AD1335513.1 ppb
2015-11-12AD133549.60 ppb
2015-11-12AD133598.50 ppb
2016-03-08AD275109.60 ppb
2016-03-08AD275147.70 ppb
2016-03-08AD275123.20 ppb
2016-03-08AD275093.20 ppb
2016-03-08AD275173.20 ppb
2016-03-08AD275197.20 ppb
2016-03-08AD275183.70 ppb
2016-03-08AD275132.70 ppb
2016-06-27AD4178512.0 ppb
2016-06-27AD4179015.9 ppb
2016-06-27AD417828.70 ppb
2016-06-27AD4178111.6 ppb
2016-06-27AD4178310.00 ppb
2016-06-27AD4178012.7 ppb
2016-06-27AD4178812.5 ppb
2016-06-27AD4179113.1 ppb
2016-09-28AD518991.20 ppb
2016-09-28AD519001.10 ppb
2016-09-28AD518986.40 ppb
2016-09-28AD519057.60 ppb
2016-09-28AD519067.50 ppb
2016-09-28AD5189510.3 ppb
2016-09-28AD518979.60 ppb
2016-09-28AD519019.30 ppb
2016-12-06AD606153.40 ppb
2016-12-06AD606289.00 ppb
2016-12-06AD606297.50 ppb
2016-12-06AD6061411.4 ppb
2016-12-06AD606099.00 ppb
2016-12-06AD6062710.6 ppb
2016-12-06AD606118.40 ppb
2016-12-06AD606128.60 ppb
2017-03-16AD754237.80 ppb
2017-03-16AD754196.30 ppb
2017-03-16AD754205.40 ppb
2017-03-16AD754245.40 ppb
2017-03-16AD754216.40 ppb
2017-03-16AD754257.10 ppb
2017-03-16AD754225.90 ppb
2017-03-16AD754264.10 ppb
2017-05-18AD84844ND
2017-05-18AD848404.00 ppb
2017-05-18AD848417.30 ppb
2017-05-18AD848365.10 ppb
2017-05-18AD848458.40 ppb
2017-05-18AD848397.60 ppb
2017-05-18AD848438.30 ppb
2017-05-18AD848375.20 ppb
2017-08-02AD917397.60 ppb
2017-08-02AD917447.20 ppb
2017-08-02AD917476.30 ppb
2017-08-02AD917385.90 ppb
2017-08-02AD917418.10 ppb
2017-08-02AD917467.10 ppb
2017-08-02AD917426.50 ppb
2017-08-02AD917456.00 ppb
2017-12-01AE065518.50 ppb
2017-12-01AE065417.40 ppb
2017-12-01AE065526.60 ppb
2017-12-01AE065476.00 ppb
2017-12-01AE065507.50 ppb
2017-12-01AE065467.10 ppb
2017-12-01AE065537.20 ppb
2017-12-01AE065486.40 ppb
2018-02-20AE144026.60 ppb
2018-02-20AE143977.00 ppb
2018-02-20AE143858.40 ppb
2018-02-20AE143815.90 ppb
2018-02-20AE143757.10 ppb
2018-02-20AE143905.10 ppb
2018-02-20AE143806.10 ppb
2018-02-20AE143876.80 ppb
2018-04-26AE241406.10 ppb
2018-04-26AE241444.90 ppb
2018-04-26AE241356.90 ppb
2018-04-26AE241465.80 ppb
2018-04-26AE241425.60 ppb
2018-04-26AE241385.30 ppb
2018-04-26AE241366.80 ppb
2018-04-26AE241374.80 ppb
2018-07-26AE3466418.2 ppb
2018-07-26AE3466218.8 ppb
2018-07-26AE3466118.1 ppb
2018-07-26AE3466816.9 ppb
2018-07-26AE3466716.7 ppb
2018-07-26AE3465919.4 ppb
2018-07-26AE3466916.0 ppb
2018-07-26AE3466315.6 ppb
2018-12-10AE4837218.8 ppb
2018-12-10AE4837014.1 ppb
2018-12-10AE4837910.8 ppb
2018-12-10AE4837114.2 ppb
2018-12-10AE4837414.4 ppb
2018-12-10AE4838212.7 ppb
2018-12-10AE4837515.6 ppb
2018-12-10AE4837316.0 ppb
2019-02-06AE531598.90 ppb
2019-02-06AE5315610.1 ppb
2019-02-06AE531577.30 ppb
2019-02-06AE531607.30 ppb
2019-02-06AE531637.60 ppb
2019-02-06AE531589.60 ppb
2019-02-06AE5315510.3 ppb
2019-02-06AE531647.00 ppb
2019-04-03AE609803.30 ppb
2019-04-03AE6098512.3 ppb
2019-04-03AE6100112.6 ppb
2019-04-03AE609988.40 ppb
2019-04-03AE609849.30 ppb
2019-04-03AE6098613.6 ppb
2019-04-03AE6098813.2 ppb
2019-04-03AE609819.60 ppb
2019-08-07AE774056.50 ppb
2019-08-07AE774362.80 ppb
2019-08-07AE774375.50 ppb
2019-08-07AE774385.50 ppb
2019-08-07AE7741010.9 ppb
2019-08-07AE774095.20 ppb
2019-08-07AE774117.40 ppb
2019-08-07AE774404.80 ppb
2019-10-22AE872037.50 ppb
2019-10-22AE872153.30 ppb
2019-10-22AE8720010.1 ppb
2019-10-22AE872197.70 ppb
2019-10-22AE872213.80 ppb
2019-10-22AE872177.70 ppb
2019-10-22AE871996.80 ppb
2019-10-22AE871986.50 ppb