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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Three Valleys Municipal Water District

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)

80

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20147.49 ppb16165.74 ppb - 9.49 ppb
20155.27 ppb12122.72 ppb - 7.80 ppb
20164.63 ppb16162.22 ppb - 8.86 ppb
20170.573 ppb164ND - 3.64 ppb
20185.69 ppb16162.77 ppb - 9.31 ppb
20193.05 ppb16161.60 ppb - 6.06 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
2014-03-119469-802-08246.78 ppb
2014-03-119469-800-07545.96 ppb
2014-03-119469-801-09326.85 ppb
2014-03-119469-803-08506.47 ppb
2014-06-109469-803-08458.38 ppb
2014-06-109469-802-08308.44 ppb
2014-06-109469-801-09008.46 ppb
2014-06-109469-800-08007.90 ppb
2014-09-169469-803-09268.54 ppb
2014-09-169469-802-09089.49 ppb
2014-09-169469-801-09549.44 ppb
2014-09-169469-800-08508.64 ppb
2014-12-099469-802-08176.29 ppb
2014-12-099469-801-09136.26 ppb
2014-12-099469-803-08366.20 ppb
2014-12-099469-800-07565.74 ppb
2015-03-109469-801-08306.02 ppb
2015-03-109469-802-07505.36 ppb
2015-03-109469-803-08005.39 ppb
2015-03-109469-800-07366.08 ppb
2015-06-099588-803-08065.80 ppb
2015-06-099588-802-07526.90 ppb
2015-06-099588-800-07406.30 ppb
2015-06-099588-801-08307.80 ppb
2015-12-159469-800-07413.52 ppb
2015-12-159469-803-07553.78 ppb
2015-12-159469-802-08372.72 ppb
2015-12-159469-801-08243.51 ppb
2016-03-159469-800-07304.35 ppb
2016-03-159469-803-08203.67 ppb
2016-03-159469-802-07454.26 ppb
2016-03-159469-801-08003.60 ppb
2016-06-219469-801-08105.22 ppb
2016-06-219469-800-07235.25 ppb
2016-06-219469-803-07497.40 ppb
2016-06-219469-802-08398.86 ppb
2016-09-139469-800-07272.36 ppb
2016-09-139469-801-08222.22 ppb
2016-09-139469-803-08032.32 ppb
2016-09-139469-802-07462.45 ppb
2016-12-139469-801-08545.97 ppb
2016-12-139469-803-08145.15 ppb
2016-12-139469-802-08025.24 ppb
2016-12-139469-800-07485.83 ppb
2017-03-219469-800-0938ND
2017-03-219469-803-0848ND
2017-03-219469-801-0802ND
2017-03-279469-802-0000ND
2017-06-219469-800-0732ND
2017-06-219469-802-0745ND
2017-06-219469-803-0807ND
2017-06-219469-801-0832ND
2017-09-129469-800-0733ND
2017-09-129469-803-0801ND
2017-09-129469-801-0820ND
2017-09-129469-802-0751ND
2017-12-219469-800-07381.87 ppb
2017-12-219469-801-08152.04 ppb
2017-12-219469-803-07483.64 ppb
2017-12-219469-802-08151.62 ppb
2018-03-209469-801-08456.39 ppb
2018-03-209469-803-07516.18 ppb
2018-03-209469-802-07418.49 ppb
2018-03-209469-800-07309.08 ppb
2018-06-129469-802-08444.01 ppb
2018-06-129469-800-08204.00 ppb
2018-06-129469-801-09274.43 ppb
2018-06-129469-803-09063.91 ppb
2018-09-119469-802-10232.77 ppb
2018-09-119469-801-10032.86 ppb
2018-09-119469-803-09452.77 ppb
2018-09-119469-800-09343.14 ppb
2018-12-209469-800-08097.64 ppb
2018-12-209469-801-08307.74 ppb
2018-12-209469-803-08158.33 ppb
2018-12-209469-802-07519.31 ppb
2019-03-199469-801-08401.95 ppb
2019-03-199469-800-09151.60 ppb
2019-03-199469-803-08452.04 ppb
2019-03-199469-802-09002.10 ppb
2019-06-189469-803-08232.50 ppb
2019-06-189469-801-07592.85 ppb
2019-06-189469-800-07382.46 ppb
2019-06-189469-802-08112.52 ppb
2019-09-179469-802-08071.66 ppb
2019-09-179469-801-08451.75 ppb
2019-09-179469-800-07531.78 ppb
2019-09-179469-803-08221.95 ppb
2019-12-179469-803-08496.06 ppb
2019-12-179469-801-09346.03 ppb
2019-12-179469-800-07465.52 ppb
2019-12-179469-802-08265.99 ppb