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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Danville

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

 

110

Samples

0

Samples exceeding legal limit (MCL)

64

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.74 ppb2316ND - 6.30 ppb
20152.36 ppb2315ND - 8.30 ppb
20161.16 ppb168ND - 3.90 ppb
20171.46 ppb1610ND - 3.90 ppb
20181.48 ppb167ND - 6.40 ppb
20190.803 ppb168ND - 2.84 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
2014-02-04E1401002802.40 ppb
2014-02-04E1401002642.40 ppb
2014-02-04E1401002682.10 ppb
2014-02-04E140100281ND
2014-05-05E1403073572.50 ppb
2014-05-05E1403073662.20 ppb
2014-05-05E1403073682.10 ppb
2014-05-05E1403073581.70 ppb
2014-08-05E1406086035.40 ppb
2014-08-05E1406086141.60 ppb
2014-08-05E140608596ND
2014-08-05E140608605ND
2014-09-03E1406084143.60 ppb
2014-09-03E140608418ND
2014-10-07E1406084156.30 ppb
2014-10-07E1406084191.40 ppb
2014-11-05E1409032261.80 ppb
2014-11-05E1410003261.80 ppb
2014-11-05E1409032381.60 ppb
2014-11-05E140903233ND
2014-11-05E140903225ND
2014-12-01E1410003221.20 ppb
2014-12-01E141000328ND
2015-01-05VA010-DCLS3.20 ppb
2015-01-05VA010-DCLS1.80 ppb
2015-02-01VA010-DCLS3.60 ppb
2015-02-01VA010-DCLS3.50 ppb
2015-02-01VA010-DCLS3.10 ppb
2015-02-01VA010-DCLS2.30 ppb
2015-02-01VA010-DCLSND
2015-03-09VA010-DCLS3.90 ppb
2015-03-09VA010-DCLS1.50 ppb
2015-04-15VA010-DCLS5.10 ppb
2015-05-04VA010-DCLS2.40 ppb
2015-05-04VA010-DCLSND
2015-05-04VA010-DCLSND
2015-05-04VA010-DCLSND
2015-05-04VA010-DCLSND
2015-08-03VA010-DCLS8.30 ppb
2015-08-03VA010-DCLS6.20 ppb
2015-08-03VA010-DCLS5.90 ppb
2015-08-03VA010-DCLS2.00 ppb
2015-11-04VA010-DCLS1.50 ppb
2015-11-04VA010-DCLSND
2015-11-04VA010-DCLSND
2015-11-04VA010-DCLSND
2016-02-02E1512031931.50 ppb
2016-02-02E1512031911.30 ppb
2016-02-02E151203198ND
2016-02-02E151203183ND
2016-05-04E1603035061.10 ppb
2016-05-04E160303504ND
2016-05-04E160303508ND
2016-05-04E160303520ND
2016-08-10E1608012303.20 ppb
2016-08-10E1608012322.60 ppb
2016-08-10E1608012312.00 ppb
2016-08-10E160801233ND
2016-11-02E1608043603.90 ppb
2016-11-02E1608043522.90 ppb
2016-11-02E160804364ND
2016-11-02E160804365ND
2017-02-06E1611034583.90 ppb
2017-02-06E1611034533.90 ppb
2017-02-06E1611034591.20 ppb
2017-02-06E1611034521.10 ppb
2017-05-02E1702031831.90 ppb
2017-05-02E170203173ND
2017-05-02E170203179ND
2017-05-02E170203174ND
2017-08-01E1706024263.60 ppb
2017-08-01E1706024322.30 ppb
2017-08-01E1706024311.70 ppb
2017-08-01E170602430ND
2017-11-07E1709003042.40 ppb
2017-11-07E1709003101.30 ppb
2017-11-07E170900311ND
2017-11-07E170900305ND
2018-02-06E1712025403.90 ppb
2018-02-06E1712025426.40 ppb
2018-02-06E1712025444.90 ppb
2018-02-06E1712025464.70 ppb
2018-05-01E180305947ND
2018-05-01E180305962ND
2018-05-01E1803059641.000 ppb
2018-05-01E180305966ND
2018-08-06E1806007881.40 ppb
2018-08-06E180600790ND
2018-08-06E180600792ND
2018-08-06E1806007941.30 ppb
2018-11-06E181000963ND
2018-11-06E181000965ND
2018-11-06E181000967ND
2018-11-06E181000969ND
2019-02-05E181202417ND
2019-02-05E181202421ND
2019-02-05E181202427ND
2019-02-05E181202432ND
2019-05-07E190302346ND
2019-05-07E1903023501.10 ppb
2019-05-07E1903023591.90 ppb
2019-05-07E1903023611.40 ppb
2019-08-0519081240-01A0.700 ppb
2019-08-0519081240-02A2.41 ppb
2019-08-0519081240-03A0.705 ppb
2019-08-0519081240-04A2.84 ppb
2019-11-0592452346005ND
2019-11-05924523460071.80 ppb
2019-11-0592452346008ND
2019-11-0592452346011ND