Know Your Environment. Protect Your Health.

Dibromoacetic acid

Public Wholesale Water Supply District 11

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.145 ppb41ND - 0.580 ppb
20190.133 ppb41ND - 0.530 ppb
20200.553 ppb43ND - 0.800 ppb
2021ND40ND
2022ND40ND
20230.540 ppb43ND - 0.750 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for dibromoacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-239085690.580 ppb
2018-04-23938589ND
2018-07-091003335ND
2018-10-151061540ND
2019-01-211108290ND
2019-04-221139914ND
2019-07-291212807ND
2019-10-2112627160.530 ppb
2020-01-201312231ND
2020-04-2713637020.630 ppb
2020-07-2914636030.780 ppb
2020-10-1916071330.800 ppb
2021-01-111741614ND
2021-04-131818246ND
2021-07-061875262ND
2021-10-262005335ND
2022-01-032107945ND
2022-04-052231382ND
2022-07-122301608ND
2022-10-112378295ND
2023-01-092429551ND
2023-04-1024815490.680 ppb
2023-07-1225352640.730 ppb
2023-10-0925898470.750 ppb