Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Sanger

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

27

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.425 ppb82ND - 1.70 ppb
20190.725 ppb83ND - 3.10 ppb
20201.81 ppb86ND - 3.00 ppb
20212.14 ppb85ND - 4.30 ppb
20221.39 ppb86ND - 2.30 ppb
20231.56 ppb85ND - 3.60 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
2018-01-10Q1801330022ND
2018-01-10Q1801330021ND
2018-04-10Q1814606021ND
2018-04-10Q1814606020ND
2018-07-18Q18288590021.70 ppb
2018-07-18Q18288590031.70 ppb
2018-10-09Q1840449001ND
2018-10-09Q1840449002ND
2019-01-09Q1901596024ND
2019-01-09Q1901596025ND
2019-04-04Q19136950011.50 ppb
2019-04-04Q19136950023.10 ppb
2019-08-20Q1957154002ND
2019-08-20Q19571540011.20 ppb
2019-10-15Q1972687002ND
2019-10-15Q1972687003ND
2020-02-03Q2004500001ND
2020-02-03Q20045000022.20 ppb
2020-05-11Q20182140112.70 ppb
2020-05-11Q20182140123.00 ppb
2020-08-04Q20303580102.80 ppb
2020-08-04Q20303580112.80 ppb
2020-10-06Q20390510051.000 ppb
2020-10-06Q2039051031ND
2021-01-20Q2101423021ND
2021-03-16Q21067680014.00 ppb
2021-05-25Q2113518001ND
2021-05-25Q21135180021.40 ppb
2021-08-19Q2122541001ND
2021-08-19Q21225410024.30 ppb
2021-11-08Q21311970133.30 ppb
2021-11-08Q21311970144.10 ppb
2022-02-08Q2204312006ND
2022-02-08Q22043120071.30 ppb
2022-04-13Q22113870012.20 ppb
2022-04-13Q22113870022.10 ppb
2022-09-21Q22282840012.20 ppb
2022-09-21Q22282840022.30 ppb
2022-11-29Q2235417005ND
2022-11-29Q22354170061.000 ppb
2023-02-28Q2307983010ND
2023-02-28Q2307983011ND
2023-06-12Q2322092001ND
2023-06-12Q23220920021.30 ppb
2023-08-14Q23337410022.20 ppb
2023-08-14Q23337410032.40 ppb
2023-11-15Q23490510073.00 ppb
2023-11-15Q23490510363.60 ppb