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Dichloroacetic acid

Wheatley Waterworks

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011ND10ND
2012N/A00N/A
2013N/A00N/A
2014ND40ND
20150.438 ppb83ND - 1.30 ppb

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.7 ppb

The health guideline of 0.7 ppb for dichloroacetic acid was defined by the Environmental Protection Agency as 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.

EPA Maximum Contaminant
Level Goal (MCLG)0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2011-08-3111244001601ND
2014-07-1414198002101ND
2014-07-1414198004401ND
2014-10-1314289001001ND
2014-10-1314289001101ND
2015-01-1215015009601ND
2015-01-1215015009501ND
2015-04-08150990097011.20 ppb
2015-04-08150990098011.000 ppb
2015-08-2415238001001ND
2015-08-24152380009011.30 ppb
2015-11-2315328001801ND
2015-11-2315328001701ND