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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Pittsburg County Rural Water District #9 (mcalester)

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.113 ppb101ND - 1.13 ppb
2015ND60ND
2016ND80ND
2017ND80ND
2018ND80ND
2019ND80ND

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
2014-02-174B18012-02ND
2014-02-174B18012-01ND
2014-03-124C12131-021.13 ppb
2014-03-124C12131-01ND
2014-05-144E14115-02ND
2014-05-144E14115-01ND
2014-08-204H21029-02ND
2014-08-204H21029-01ND
2014-11-201411488ND
2014-11-201411487ND
2015-02-051502227ND
2015-02-051502228ND
2015-05-071505235ND
2015-05-071505234ND
2015-11-051511189ND
2015-11-051511188ND
2016-02-041602213ND
2016-02-041602212ND
2016-05-051605188ND
2016-05-051605187ND
2016-08-041608161ND
2016-08-041608160ND
2016-11-031611161ND
2016-11-031611162ND
2017-02-091702240ND
2017-02-091702239ND
2017-05-041705181ND
2017-05-041705180ND
2017-08-031708171ND
2017-08-031708170ND
2017-11-091711278ND
2017-11-091711277ND
2018-02-081802265ND
2018-02-081802264ND
2018-05-031805195ND
2018-05-031805196ND
2018-08-091808695ND
2018-08-091808694ND
2018-11-081811199ND
2018-11-081811198ND
2019-02-071902213ND
2019-02-071902212ND
2019-05-091905295ND
2019-05-091905294ND
2019-08-081908271ND
2019-08-081908270ND
2019-11-071911213ND
2019-11-071911214ND