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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Bastrop Water 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

 

30

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.400 ppb104ND - 1.000 ppb
2015ND40ND
2016ND40ND
20170.390 ppb42ND - 0.780 ppb
20180.360 ppb42ND - 0.720 ppb
20192.20 ppb441.40 ppb - 3.00 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
2014-02-182976240ND
2014-02-182976238ND
2014-02-1829762391.000 ppb
2014-02-182976240ND
2014-02-1829762411.000 ppb
2014-02-1829762391.000 ppb
2014-02-182976238ND
2014-02-1829762411.000 ppb
2014-08-113080367ND
2014-08-113080367ND
2015-02-043182215ND
2015-02-043182215ND
2015-08-261422219ND
2015-08-261422219ND
2016-02-101466306ND
2016-02-101466306ND
2016-08-181517309ND
2016-08-181517309ND
2017-02-0335293411019ND
2017-02-0335293411019ND
2017-08-03353283480010.780 ppb
2017-08-03353283480010.780 ppb
2018-02-1235373921001ND
2018-02-1235373921001ND
2018-08-06354095890010.720 ppb
2018-08-06354095890010.720 ppb
2019-02-04354467980013.00 ppb
2019-02-04354467980013.00 ppb
2019-08-01354871350011.40 ppb
2019-08-01354871350011.40 ppb