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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Rainbow Municipal WD

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

64

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.800 ppb208ND - 2.20 ppb
20150.931 ppb169ND - 2.10 ppb
20161.11 ppb1614ND - 1.60 ppb
20172.11 ppb12121.30 ppb - 3.40 ppb
20181.86 ppb87ND - 2.90 ppb
20191.74 ppb1614ND - 3.60 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
2014-03-134790-900-1100ND
2014-03-134790-901-1145ND
2014-03-134790-902-1000ND
2014-03-134790-903-0900ND
2014-06-164790-900-10202.20 ppb
2014-06-164790-901-09302.00 ppb
2014-06-164790-902-1100ND
2014-06-164790-903-11302.10 ppb
2014-09-114790-902-09152.10 ppb
2014-09-114790-902-0000ND
2014-09-114790-903-0000ND
2014-09-114790-901-10451.50 ppb
2014-09-114790-901-0000ND
2014-09-114790-903-08301.90 ppb
2014-09-114790-900-10102.00 ppb
2014-09-114790-900-0000ND
2014-12-164790-902-10452.20 ppb
2014-12-164790-901-0900ND
2014-12-164790-903-1000ND
2014-12-164790-900-1125ND
2015-03-124790-903-0915ND
2015-03-124790-902-10451.10 ppb
2015-03-124790-901-0800ND
2015-03-124790-900-1000ND
2015-06-114790-903-09301.60 ppb
2015-06-114790-902-1000ND
2015-06-114790-900-11001.80 ppb
2015-06-114790-901-11351.70 ppb
2015-09-144790-900-1005ND
2015-09-144790-903-1130ND
2015-09-144790-902-10451.10 ppb
2015-09-144790-901-0930ND
2015-12-144790-902-10002.10 ppb
2015-12-144790-903-09001.80 ppb
2015-12-144790-901-11301.70 ppb
2015-12-144790-900-10402.00 ppb
2016-03-084790-902-09301.50 ppb
2016-03-084790-901-11001.20 ppb
2016-03-084790-903-08401.50 ppb
2016-03-084790-900-10151.20 ppb
2016-06-164790-900-10151.20 ppb
2016-06-164790-902-08001.60 ppb
2016-06-164790-901-1100ND
2016-06-164790-903-08501.30 ppb
2016-09-154790-900-11001.20 ppb
2016-09-154790-903-10301.000 ppb
2016-09-154790-901-1205ND
2016-09-154790-902-10001.20 ppb
2016-12-134790-903-10201.30 ppb
2016-12-134790-902-09301.30 ppb
2016-12-134790-900-11001.10 ppb
2016-12-134790-901-11401.20 ppb
2017-06-134790-901-08301.30 ppb
2017-06-134790-900-09152.00 ppb
2017-06-134790-902-11001.50 ppb
2017-06-134790-903-10101.30 ppb
2017-09-144790-900-10003.40 ppb
2017-09-144790-901-11002.30 ppb
2017-09-144790-903-09302.20 ppb
2017-09-144790-902-10501.90 ppb
2017-12-124790-901-11402.80 ppb
2017-12-124790-903-09152.00 ppb
2017-12-124790-902-10302.00 ppb
2017-12-124790-900-11002.60 ppb
2018-03-154790-903-09552.60 ppb
2018-03-154790-902-10352.50 ppb
2018-03-154790-901-10302.90 ppb
2018-03-154790-900-11302.60 ppb
2018-06-064790-900-11202.20 ppb
2018-06-064790-903-0940ND
2018-06-064790-902-09001.10 ppb
2018-06-064790-901-11501.000 ppb
2019-03-134790-901-1150ND
2019-03-134790-903-1030ND
2019-03-134790-902-10002.60 ppb
2019-03-134790-900-11051.70 ppb
2019-06-114790-901-08551.000 ppb
2019-06-114790-902-11101.50 ppb
2019-06-114790-900-09502.60 ppb
2019-06-114790-903-11452.10 ppb
2019-09-114790-900-10352.60 ppb
2019-09-114790-901-09251.40 ppb
2019-09-114790-903-12252.00 ppb
2019-09-114790-902-11451.50 ppb
2019-12-124790-900-12003.60 ppb
2019-12-124790-901-12401.80 ppb
2019-12-124790-903-10401.40 ppb
2019-12-124790-902-11402.10 ppb