Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Dibromoacetic acid

San Antonio Water System Northeast

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.863 ppb161ND - 13.8 ppb
20131.49 ppb1615ND - 2.10 ppb
20141.000 ppb1612ND - 1.60 ppb
20151.23 ppb1613ND - 2.30 ppb
20160.200 ppb163ND - 1.20 ppb
20170.669 ppb168ND - 2.60 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-041201070008ND
2012-01-041201070007ND
2012-01-041201070006ND
2012-01-041201070005ND
2012-05-211205665019ND
2012-05-211205665018ND
2012-05-211205665020ND
2012-05-211205665021ND
2012-07-061207217007ND
2012-07-061207217008ND
2012-07-061207217006ND
2012-07-061207217005ND
2012-10-021210100005ND
2012-10-021210100006ND
2012-10-021210100007ND
2012-10-02121010000813.8 ppb
2013-02-05AC098441.50 ppb
2013-02-05AC098481.50 ppb
2013-02-05AC098521.80 ppb
2013-02-05AC098401.30 ppb
2013-04-09AC161131.60 ppb
2013-04-09AC161162.10 ppb
2013-04-09AC161121.40 ppb
2013-04-09AC161111.50 ppb
2013-07-02AC237901.70 ppb
2013-07-02AC237861.60 ppb
2013-07-02AC23794ND
2013-07-02AC237871.40 ppb
2013-12-26AC382291.40 ppb
2013-12-26AC382281.70 ppb
2013-12-26AC382311.80 ppb
2013-12-26AC382301.50 ppb
2014-02-14AC431001.40 ppb
2014-02-14AC431061.30 ppb
2014-02-14AC430441.50 ppb
2014-02-14AC430481.40 ppb
2014-04-02AC491061.30 ppb
2014-04-02AC490851.10 ppb
2014-04-02AC490951.20 ppb
2014-04-02AC491241.60 ppb
2014-07-02AC587671.20 ppb
2014-07-02AC587641.20 ppb
2014-07-02AC58774ND
2014-07-02AC587751.50 ppb
2014-10-02AC68767ND
2014-10-02AC68790ND
2014-10-02AC687941.30 ppb
2014-10-02AC68793ND
2015-01-15AC76429ND
2015-01-15AC764431.20 ppb
2015-01-15AC764441.000 ppb
2015-01-15AC76420ND
2015-05-01AC902341.30 ppb
2015-05-01AC902541.30 ppb
2015-05-01AC902481.30 ppb
2015-05-01AC902491.30 ppb
2015-07-08AC987082.30 ppb
2015-07-08AC987092.20 ppb
2015-07-08AC987101.40 ppb
2015-07-08AC98706ND
2015-10-14AD105981.10 ppb
2015-10-14AD105911.70 ppb
2015-10-14AD105861.80 ppb
2015-10-14AD105991.80 ppb
2016-01-12AD17532ND
2016-01-12AD17533ND
2016-01-12AD175631.000 ppb
2016-01-12AD17559ND
2016-04-04AD31635ND
2016-04-04AD31639ND
2016-04-04AD31634ND
2016-04-04AD31636ND
2016-07-20AD44880ND
2016-07-20AD44875ND
2016-07-20AD448701.20 ppb
2016-07-20AD448781.000 ppb
2016-10-12AD53135ND
2016-10-12AD53119ND
2016-10-12AD53120ND
2016-10-12AD53118ND
2017-01-05AD63192ND
2017-01-05AD63196ND
2017-01-05AD631901.20 ppb
2017-01-05AD63193ND
2017-04-03AD780361.000 ppb
2017-04-03AD78034ND
2017-04-03AD780371.20 ppb
2017-04-03AD780391.000 ppb
2017-07-07AD88653ND
2017-07-07AD88636ND
2017-07-07AD88630ND
2017-07-07AD886371.000 ppb
2017-12-04AE065451.70 ppb
2017-12-04AE065431.000 ppb
2017-12-04AE065422.60 ppb
2017-12-04AE06537ND