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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

California Water Service Company-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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
20161.13 ppb81ND - 9.00 ppb
2017ND80ND
20182.75 ppb82ND - 12.0 ppb
2019ND80ND

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
2015-11-095810-800-1648ND
2015-11-095810-801-1640ND
2016-02-095810-800-1059ND
2016-02-095810-801-0947ND
2016-05-105810-801-1254ND
2016-05-105810-800-1159ND
2016-08-095810-801-1532ND
2016-08-095810-800-1421ND
2016-11-155810-800-1624ND
2016-11-155810-801-16119.00 ppb
2017-02-145810-800-1347ND
2017-02-145810-801-1315ND
2017-05-095810-800-1132ND
2017-05-095810-801-1105ND
2017-08-155810-800-1420ND
2017-08-155810-801-1449ND
2017-11-135810-800-1404ND
2017-11-135810-801-1457ND
2018-02-135810-800-155912.0 ppb
2018-02-135810-801-154910.00 ppb
2018-05-155810-800-1442ND
2018-05-155810-801-1457ND
2018-08-145810-801-1107ND
2018-08-145810-800-1130ND
2018-11-135810-800-1234ND
2018-11-135810-801-1204ND
2019-02-125810-800-1515ND
2019-02-125810-801-1545ND
2019-05-145810-800-1411ND
2019-05-145810-801-1451ND
2019-08-135810-800-1447ND
2019-08-135810-801-1515ND
2019-11-125810-800-1055ND
2019-11-125810-801-1036ND