Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Aspermont

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)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.950 ppb43ND - 1.60 ppb
20191.13 ppb43ND - 2.30 ppb
20201.10 ppb43ND - 2.00 ppb
20211.25 ppb43ND - 1.90 ppb
2022ND40ND
20230.325 ppb41ND - 1.30 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
2018-03-01Q18085990011.10 ppb
2018-05-29Q1821226006ND
2018-09-11Q18357980021.10 ppb
2018-11-29Q18487440021.60 ppb
2019-02-28Q19087510061.000 ppb
2019-05-21Q19273090022.30 ppb
2019-08-22Q19585620021.20 ppb
2019-11-25Q1977986002ND
2020-03-02Q20077420051.30 ppb
2020-06-03Q20219920011.10 ppb
2020-09-01Q20348570012.00 ppb
2020-12-03Q2048420002ND
2021-03-09Q21060630031.40 ppb
2021-05-20Q2113237006ND
2021-08-25Q21231950011.90 ppb
2021-11-15Q21317460021.70 ppb
2022-03-03Q2207481003ND
2022-05-25Q2215197005ND
2022-09-08Q2226792002ND
2022-11-29Q2235399002ND
2023-03-14Q2310050002ND
2023-05-17Q2318618005ND
2023-08-24Q23361910021.30 ppb
2023-11-16Q2349374002ND