Know Your Environment. Protect Your Health.

Trichloroacetic acid

Milo Public Water Supply

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.000 ppb111.000 ppb
2019ND10ND
2020ND10ND
20211.000 ppb111.000 ppb
20220.500 ppb63ND - 1.000 ppb
20231.13 ppb84ND - 3.00 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
2018-08-15OE6998641.000 ppb
2019-08-26OE856598ND
2020-08-19OE1185475ND
2021-08-10OE17917681.000 ppb
2022-05-19OE21024641.000 ppb
2022-05-19OE2102465ND
2022-08-15OE2155322ND
2022-08-16OE21553231.000 ppb
2022-11-14OE2205549ND
2022-11-15OE22055501.000 ppb
2023-02-21OE22450143.00 ppb
2023-02-21OE22450153.00 ppb
2023-05-24OE22850732.00 ppb
2023-05-24OE22850721.000 ppb
2023-08-15OE2323063ND
2023-08-15OE2323064ND
2023-11-14OE2363671ND
2023-11-14OE2363672ND