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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Town Of Yountville

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

29

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.11 ppb86ND - 1.80 ppb
20151.33 ppb881.10 ppb - 1.70 ppb
20161.69 ppb881.20 ppb - 2.30 ppb
20170.800 ppb64ND - 1.30 ppb
20180.475 ppb83ND - 1.40 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
2014-02-049590-008-0935ND
2014-02-049590-007-0915ND
2014-05-069590-008-09501.30 ppb
2014-05-069590-007-09381.10 ppb
2014-08-129590-008-09381.60 ppb
2014-08-129590-007-09221.60 ppb
2014-11-049590-008-08101.80 ppb
2014-11-049590-007-07401.50 ppb
2015-02-109590-007-07551.10 ppb
2015-02-109590-008-08181.10 ppb
2015-05-059590-007-09331.30 ppb
2015-05-059590-008-10001.50 ppb
2015-08-049590-007-09491.70 ppb
2015-08-049590-008-10221.50 ppb
2015-11-049590-007-09031.10 ppb
2015-11-049590-008-10001.30 ppb
2016-02-109590-007-08502.00 ppb
2016-02-109590-008-09151.60 ppb
2016-05-039590-007-08301.20 ppb
2016-05-039590-008-09041.40 ppb
2016-08-029590-007-08222.20 ppb
2016-08-029590-008-09002.30 ppb
2016-11-089590-007-09501.40 ppb
2016-11-089590-008-10051.40 ppb
2017-05-029590-007-08301.10 ppb
2017-05-029590-008-0848ND
2017-08-019590-008-09271.30 ppb
2017-08-019590-007-09081.30 ppb
2017-11-029590-008-1501ND
2017-11-029590-007-15231.10 ppb
2018-02-069590-008-0933ND
2018-02-069590-007-0917ND
2018-05-019590-008-0900ND
2018-05-019590-007-0845ND
2018-08-079590-007-07441.10 ppb
2018-08-079590-008-0800ND
2018-11-069590-008-11401.30 ppb
2018-11-069590-007-11111.40 ppb
2019-02-059590-008-0906ND
2019-02-059590-007-0846ND
2019-05-089590-008-0933ND
2019-05-089590-007-0908ND
2019-08-069590-008-0912ND
2019-08-069590-007-0853ND
2019-11-129590-008-1140ND
2019-11-129590-007-1125ND