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EWG's Tap Water Database — 2019 UPDATE

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Dichloroacetic acid

Lake Lorraine Ws

NOTE: Lake Lorraine Ws purchases water from Montgomery County UD 4 which is required to test for dichloroacetic acid. Sample information shown below was taken by Montgomery County UD 4.

Dichloroacetic 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND20ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

NOTE: Lake Lorraine Ws purchases water from Montgomery County UD 4 which is required to test for dichloroacetic acid. Sample information shown below was taken by Montgomery County UD 4.

Date Lab ID Result
2013-05-28AC20608ND
2013-05-28AC20597ND
2014-07-16AC59895ND
2015-07-14AC99373ND
2016-06-13AD40195ND
2017-07-19AD89894ND