Know Your Environment. Protect Your Health.

Trichloroacetic acid

Dmww-greenbrier Estates

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.250 ppb41ND - 1.000 ppb
2019ND40ND
2020ND40ND
20210.500 ppb42ND - 1.000 ppb
20220.500 ppb42ND - 1.000 ppb
20230.250 ppb41ND - 1.000 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic 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 reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-01OE6178331.000 ppb
2018-05-08OE655656ND
2018-08-02OE693170ND
2018-11-01OE735005ND
2019-02-05OE768002ND
2019-05-02OE803052ND
2019-08-01OE843993ND
2019-11-01OE887888ND
2020-02-04OE925001ND
2020-05-06OE996749ND
2020-08-07OE1167330ND
2020-11-04OE1394294ND
2021-02-03OE1576712ND
2021-05-05OE16879311.000 ppb
2021-08-05OE1784289ND
2021-11-23OE19438231.000 ppb
2022-02-01OE20338291.000 ppb
2022-05-04OE20940461.000 ppb
2022-08-02OE2147607ND
2022-11-01OE2198941ND
2023-02-01OE2237481ND
2023-05-02OE22753771.000 ppb
2023-08-08OE2319602ND
2023-11-08OE2361447ND