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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Lancaster

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)

56

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20142.03 ppb1615ND - 2.70 ppb
2015ND160ND
20160.381 ppb165ND - 1.40 ppb
20170.981 ppb1610ND - 2.10 ppb
20180.981 ppb1611ND - 2.20 ppb
20191.37 ppb1615ND - 1.80 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
2014-02-24Q14058510041.20 ppb
2014-02-24Q14058510032.20 ppb
2014-02-24Q14058510022.40 ppb
2014-02-24Q14058510012.30 ppb
2014-05-16Q14166690041.20 ppb
2014-05-16Q14166690032.20 ppb
2014-05-16Q14166690022.20 ppb
2014-05-16Q14166690012.40 ppb
2014-07-10Q14271720042.70 ppb
2014-07-10Q14271720032.60 ppb
2014-07-10Q14271720052.30 ppb
2014-07-10Q14271720062.00 ppb
2014-10-28Q14544410041.70 ppb
2014-10-28Q14544410032.30 ppb
2014-10-28Q1454441002ND
2014-10-28Q14544410012.70 ppb
2015-03-19Q1510465005ND
2015-03-19Q1510465004ND
2015-03-19Q1510465003ND
2015-03-19Q1510465002ND
2015-06-16Q1522405001ND
2015-06-16Q1522405002ND
2015-06-16Q1522405004ND
2015-06-16Q1522405003ND
2015-08-18Q1532666004ND
2015-08-18Q1532666003ND
2015-08-18Q1532666002ND
2015-08-18Q1532666001ND
2015-10-21Q1541383004ND
2015-10-21Q1541383003ND
2015-10-21Q1541383002ND
2015-10-21Q1541383001ND
2016-01-21Q1602700002ND
2016-01-21Q1602700001ND
2016-01-21Q1602700003ND
2016-01-21Q1602700004ND
2016-04-14Q1614883004ND
2016-04-14Q1614883003ND
2016-04-14Q16148830021.10 ppb
2016-04-14Q16148830011.000 ppb
2016-07-05Q1626763004ND
2016-07-05Q1626763003ND
2016-07-05Q1626763002ND
2016-07-05Q1626763001ND
2016-10-07Q16426830011.40 ppb
2016-10-07Q1642683004ND
2016-10-07Q16426830031.20 ppb
2016-10-07Q16426830021.40 ppb
2017-01-10Q1700958002ND
2017-01-10Q1700958004ND
2017-01-10Q1700958001ND
2017-01-10Q1700958003ND
2017-04-04Q1713778003ND
2017-04-04Q17137780061.000 ppb
2017-04-04Q17137780021.20 ppb
2017-04-04Q17137780051.10 ppb
2017-07-05Q17275910032.10 ppb
2017-07-05Q17275910011.60 ppb
2017-07-05Q1727591002ND
2017-07-05Q17275910041.50 ppb
2017-10-16Q17535590021.60 ppb
2017-10-16Q17535590031.90 ppb
2017-10-16Q17535590041.80 ppb
2017-10-16Q17535590011.90 ppb
2018-01-31Q18039890041.000 ppb
2018-01-31Q18039890021.000 ppb
2018-01-31Q18039890031.000 ppb
2018-01-31Q18039890011.000 ppb
2018-04-12Q1815236002ND
2018-04-12Q1815236005ND
2018-04-12Q1815236003ND
2018-04-12Q1815236006ND
2018-07-12Q18277210041.30 ppb
2018-07-12Q18277210021.50 ppb
2018-07-12Q18277210032.00 ppb
2018-07-12Q18277210012.20 ppb
2018-10-11Q1840581004ND
2018-10-11Q18405810021.40 ppb
2018-10-11Q18405810031.60 ppb
2018-10-11Q18405810011.70 ppb
2019-01-09Q19011410021.50 ppb
2019-01-09Q19011410051.30 ppb
2019-01-09Q19011410041.10 ppb
2019-01-09Q1901141003ND
2019-04-15Q19150180031.000 ppb
2019-04-15Q19150180021.50 ppb
2019-04-15Q19150180011.70 ppb
2019-06-19Q19386270011.20 ppb
2019-08-06Q19517980041.20 ppb
2019-08-06Q19517980031.50 ppb
2019-08-06Q19517980021.40 ppb
2019-08-06Q19517980011.40 ppb
2019-10-10Q19722520021.80 ppb
2019-10-10Q19722520051.80 ppb
2019-10-10Q19722520041.80 ppb
2019-10-10Q19722520031.70 ppb