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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

Valley Center MWD

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.

 

92

Samples

0

Samples exceeding legal limit (MCL)

66

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.62 ppb12121.30 ppb - 4.17 ppb
20131.64 ppb169ND - 6.87 ppb
20142.95 ppb16161.49 ppb - 7.03 ppb
20151.59 ppb1614ND - 2.70 ppb
20160.856 ppb169ND - 2.70 ppb
20170.663 ppb166ND - 2.50 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
2012-05-159469-903-10403.01 ppb
2012-05-159469-902-09451.80 ppb
2012-05-159469-901-09152.48 ppb
2012-05-159469-900-10101.90 ppb
2012-08-149469-900-11253.31 ppb
2012-08-149469-903-12502.92 ppb
2012-08-149469-902-11152.21 ppb
2012-08-149469-901-11401.97 ppb
2012-11-139469-903-12003.30 ppb
2012-11-139469-900-10201.30 ppb
2012-11-139469-901-08553.06 ppb
2012-11-139469-902-09404.17 ppb
2013-02-049469-900-10336.55 ppb
2013-02-149469-901-10006.87 ppb
2013-02-149469-902-09274.53 ppb
2013-02-149469-903-1100ND
2013-05-159469-901-1255ND
2013-05-159469-902-10501.60 ppb
2013-05-159469-900-12151.58 ppb
2013-05-159469-903-1437ND
2013-08-139469-902-0905ND
2013-08-139469-901-0930ND
2013-08-139469-903-10451.29 ppb
2013-08-139469-900-10051.30 ppb
2013-11-139469-902-0925ND
2013-11-139469-901-0955ND
2013-11-139469-900-10401.45 ppb
2013-11-139469-903-11101.05 ppb
2014-02-119469-901-09202.37 ppb
2014-02-119469-900-10002.18 ppb
2014-02-119469-903-10352.32 ppb
2014-02-119469-902-08502.14 ppb
2014-05-139469-902-09302.34 ppb
2014-05-139469-900-10302.55 ppb
2014-05-139469-903-11002.81 ppb
2014-05-139469-901-09562.80 ppb
2014-08-129469-902-09053.08 ppb
2014-08-129469-900-09357.03 ppb
2014-08-129469-901-08354.38 ppb
2014-08-129469-903-10006.20 ppb
2014-11-129469-900-10102.15 ppb
2014-11-129469-901-09071.61 ppb
2014-11-129469-902-09401.49 ppb
2014-11-129469-903-10551.70 ppb
2015-03-034792-902-1028ND
2015-03-034792-901-11001.73 ppb
2015-03-034792-903-10281.54 ppb
2015-03-034792-900-11351.70 ppb
2015-05-075810-902-08051.10 ppb
2015-05-075810-900-09102.70 ppb
2015-05-075810-901-08402.60 ppb
2015-05-075810-903-10402.20 ppb
2015-08-105810-901-10501.20 ppb
2015-08-105810-902-10502.50 ppb
2015-08-105810-900-11251.40 ppb
2015-08-105810-903-12102.50 ppb
2015-11-091677-900-10551.28 ppb
2015-11-095810-901-1020ND
2015-11-091677-903-12151.34 ppb
2015-11-095810-902-09251.70 ppb
2016-02-179588-901-09301.90 ppb
2016-02-179588-903-10451.80 ppb
2016-02-179588-902-0900ND
2016-02-179588-900-10151.60 ppb
2016-05-113761-901-10301.30 ppb
2016-05-113761-903-09301.30 ppb
2016-05-113761-900-09001.000 ppb
2016-05-113761-902-1000ND
2016-08-083761-903-1230ND
2016-08-083761-902-09251.10 ppb
2016-08-083761-900-1110ND
2016-08-083761-901-10152.70 ppb
2016-11-093761-903-1015ND
2016-11-093761-901-0905ND
2016-11-093761-902-0837ND
2016-11-093761-900-09421.000 ppb
2017-02-083761-901-1130ND
2017-02-083761-900-10202.50 ppb
2017-02-093761-903-09451.10 ppb
2017-02-093761-902-1100ND
2017-05-023761-900-10501.90 ppb
2017-05-023761-902-0940ND
2017-05-023761-903-11251.000 ppb
2017-05-023761-901-10061.80 ppb
2017-08-093761-901-0940ND
2017-08-093761-903-1055ND
2017-08-093761-902-11452.30 ppb
2017-08-093761-900-1025ND
2017-11-073761-902-0823ND
2017-11-073761-903-1032ND
2017-11-073761-901-0859ND
2017-11-073761-900-0942ND