Know Your Environment. Protect Your Health.

Trichloroacetic acid

Firgrove Mutual Inc

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.11 ppb83ND - 4.95 ppb
20191.37 ppb85ND - 3.88 ppb
2020N/A00N/A
20211.59 ppb84ND - 3.72 ppb
20220.375 ppb81ND - 3.00 ppb
20230.535 ppb82ND - 2.80 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
2018-02-21ND
2018-02-212.80 ppb
2018-06-05ND
2018-06-05ND
2018-09-11ND
2018-09-11ND
2018-12-111.10 ppb
2018-12-114.95 ppb
2019-02-19ND
2019-02-192.01 ppb
2019-06-192.01 ppb
2019-06-19ND
2019-09-10ND
2019-09-101.15 ppb
2019-12-031.92 ppb
2019-12-033.88 ppb
2021-03-084087503ND
2021-03-084087502ND
2021-06-104131652ND
2021-06-104131653ND
2021-09-1441786342.79 ppb
2021-09-1441786312.77 ppb
2021-12-0942165893.72 ppb
2021-12-0942165903.44 ppb
2022-03-094258095ND
2022-03-0942580963.00 ppb
2022-06-144299704ND
2022-06-144299703ND
2022-09-134363127ND
2022-09-144363129ND
2022-12-064390339ND
2022-12-074390341ND
2023-03-1444330781.48 ppb
2023-03-1444330772.80 ppb
2023-05-094455213ND
2023-05-094455214ND
2023-09-114522990ND
2023-09-114522989ND
2023-10-104539186ND
2023-10-104539185ND