Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Moody

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)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.575 ppb83ND - 1.60 ppb
20191.39 ppb86ND - 4.40 ppb
20202.03 ppb85ND - 10.6 ppb
20211.50 ppb84ND - 4.90 ppb
20220.138 ppb81ND - 1.10 ppb
20230.250 ppb82ND - 1.000 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
2018-01-22AE09513ND
2018-01-22AE09510ND
2018-04-19AE23209ND
2018-04-19AE232071.40 ppb
2018-08-20AE37577ND
2018-08-20AE37578ND
2018-10-31AE450211.60 ppb
2018-10-31AE450271.60 ppb
2019-02-25AE556011.10 ppb
2019-02-25AE556031.000 ppb
2019-04-10AE618002.10 ppb
2019-04-10AE618044.40 ppb
2019-08-20AE795081.30 ppb
2019-08-20AE795061.20 ppb
2019-11-19AE89741ND
2019-11-19AE89745ND
2020-01-28AE95627ND
2020-01-28AE956491.000 ppb
2020-05-12AF106062.20 ppb
2020-05-12AF1060810.6 ppb
2020-08-03AF21517ND
2020-08-03AF21518ND
2020-10-29AF326301.40 ppb
2020-10-29AF326311.000 ppb
2021-01-11AF38368ND
2021-01-11AF38369ND
2021-05-18AF54259ND
2021-05-18AF54264ND
2021-07-29AF639283.90 ppb
2021-07-29AF639304.90 ppb
2021-11-01AF752081.40 ppb
2021-11-01AF752131.80 ppb
2022-02-02AF83005ND
2022-02-02AF83008ND
2022-06-13AG00407ND
2022-06-13AG00410ND
2022-08-03AG07544ND
2022-08-03AG07545ND
2022-11-16AG189651.10 ppb
2022-11-16AG18978ND
2023-03-02AG31318ND
2023-03-02AG31320ND
2023-06-21AG45229ND
2023-06-21AG45232ND
2023-08-14AG52308ND
2023-08-14AG52313ND
2023-11-27Q23507860011.000 ppb
2023-11-27Q23507860021.000 ppb