Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichloroacetic acid

Farmington

Trichloroacetic 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.

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016ND160ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic 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

Date Lab ID Result
2016-03-15AC69004ND
2016-03-15AC69002ND
2016-03-15AC69005ND
2016-03-15AC69003ND
2016-06-28AC74986ND
2016-06-28AC74987ND
2016-06-28AC74988ND
2016-06-28AC74989ND
2016-09-26AC83966ND
2016-09-26AC83967ND
2016-10-05AC86369ND
2016-10-05AC86370ND
2016-12-12AC88506ND
2016-12-12AC88507ND
2016-12-12AC88508ND
2016-12-12AC88509ND
2017-04-10AC92193ND
2017-04-10AC92192ND
2018-09-17AD32994ND
2018-09-17AD32995ND
2019-09-23AD55275ND
2019-09-23AD55276ND