Know Your Environment. Protect Your Health.

Trichloroacetic acid

Jblm Mcchord Field

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.85 ppb21ND - 3.70 ppb
20191.50 ppb21ND - 3.00 ppb
2020N/A00N/A
20211.75 ppb21ND - 3.50 ppb
2022ND20ND
2023ND20ND

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
2018-08-133.70 ppb
2018-08-13ND
2019-07-313.00 ppb
2019-07-31ND
2021-08-3141661933.50 ppb
2021-08-314166201ND
2022-08-044333187ND
2022-08-044333186ND
2023-08-094507102ND
2023-08-094507103ND