Know Your Environment. Protect Your Health.

Trichloroacetic acid

Blackjack Water Supply Corporation

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.00 ppb41ND - 20.0 ppb
20193.11 ppb82ND - 23.5 ppb
20200.250 ppb82ND - 1.000 ppb
2021ND60ND
20221.10 ppb21ND - 2.20 ppb
20230.700 ppb21ND - 1.40 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
2018-08-16Q1832896002ND
2018-08-16Q183289600120.0 ppb
2018-10-30Q1843883001ND
2018-10-30Q1843883002ND
2019-03-21Q1911965001ND
2019-03-21Q1911965002ND
2019-05-21Q192703001123.5 ppb
2019-05-21Q19270300121.40 ppb
2019-09-23Q1968475001ND
2019-09-23Q1968475002ND
2019-11-25Q1978275001ND
2019-11-25Q1978275002ND
2020-03-09Q2008429009ND
2020-03-09Q2008429010ND
2020-05-07Q2018092002ND
2020-05-07Q2018092001ND
2020-07-30Q20299030011.000 ppb
2020-07-30Q20299030021.000 ppb
2020-12-11Q2049435001ND
2020-12-11Q2049435002ND
2021-03-04Q2105806001ND
2021-03-04Q2105806002ND
2021-06-10Q2115263001ND
2021-06-10Q2115263002ND
2021-09-29Q2126705015ND
2021-09-29Q2126705016ND
2022-06-13Q22163780042.20 ppb
2022-06-13Q2216378005ND
2023-07-13Q23275640011.40 ppb
2023-07-13Q2327564002ND