Know Your Environment. Protect Your Health.

Dibromoacetic acid

Narragansett Water Dept-north End

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.

 

43

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.500 ppb31ND - 1.50 ppb
20190.750 ppb83ND - 2.20 ppb
20201.44 ppb85ND - 3.80 ppb
20210.575 ppb83ND - 2.10 ppb
2022ND80ND
20230.463 ppb83ND - 1.40 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
2018-09-141809-19780-0011.50 ppb
2018-09-141809-19780-003ND
2018-11-281811-25247-001ND
2019-03-051903-03894-0012.20 ppb
2019-03-051903-03894-002ND
2019-06-041906-10127-0012.20 ppb
2019-06-041906-10127-003ND
2019-09-041909-16600-0011.60 ppb
2019-09-041909-16600-003ND
2019-12-191912-23282-003ND
2019-12-191912-23282-001ND
2020-03-092003-03778-0011.90 ppb
2020-03-092003-03778-003RND
2020-06-032006-08650-0013.80 ppb
2020-06-032006-08650-0032.50 ppb
2020-09-032009-14589-0012.00 ppb
2020-09-032009-14589-0031.30 ppb
2020-12-022012-19733-001ND
2020-12-022012-19733-003ND
2021-03-042103-03479-001ND
2021-03-042103-03479-003ND
2021-06-032106-08848-0021.10 ppb
2021-06-032106-08848-0012.10 ppb
2021-09-022109-14981-003ND
2021-09-022109-14981-0011.40 ppb
2021-12-032112-20722-002ND
2021-12-032112-20722-001ND
2022-03-032203-03253-003ND
2022-03-032203-03253-001ND
2022-06-032206-09152-003ND
2022-06-032206-09152-001ND
2022-09-072209-15149-003BND
2022-09-072209-15149-001BND
2022-12-072212-20555-001ND
2022-12-072212-20555-003ND
2023-03-022303-03430-0011.10 ppb
2023-03-022303-03430-003ND
2023-06-012306-08637-001ND
2023-06-012306-08637-003ND
2023-09-062309-15114-0011.20 ppb
2023-09-062309-15114-003ND
2023-12-062312-20508-0011.40 ppb
2023-12-062312-20508-003ND