Know Your Environment. Protect Your Health.

Trichloroacetic acid

Northampton--progressive

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.350 ppb82ND - 1.40 ppb
20190.367 ppb62ND - 1.20 ppb
20200.125 ppb81ND - 1.000 ppb
2021ND80ND
2022ND80ND
20230.950 ppb83ND - 4.10 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
2018-01-238581-012318-B02MND
2018-01-238581-012318-B01MND
2018-04-118581-041118-B02MND
2018-04-118581-041118-B01MND
2018-07-188581-071818-B01MND
2018-07-188581-071818-B02M1.40 ppb
2018-10-248581-102418-B01M1.40 ppb
2018-10-248581-102418-B02MND
2019-04-178581-041719-B01MND
2019-04-178581-041719-B02MND
2019-07-108581-071019-B01MND
2019-07-108581-071019-B02MND
2019-10-308581-103019-B01M1.20 ppb
2019-10-308581-103019-B02M1.000 ppb
2020-01-088581-010820-B01MND
2020-01-088581-010820-B02MND
2020-04-088581-040820-B01MND
2020-04-088581-040820-B02MND
2020-07-088581-070820-B01MND
2020-07-088581-070820-B02MND
2020-10-078581-100720-B01M1.000 ppb
2020-10-078581-100720-B02MND
2021-01-138581-011321-B02MND
2021-01-138581-011321-B01MND
2021-04-078581-040721-B01MND
2021-04-078581-040721-B02MND
2021-07-218581-072121-B01MND
2021-07-218581-072121-B02MND
2021-10-208581-102021-B01MND
2021-10-208581-102021-B02MND
2022-01-128581-011222-B01MND
2022-01-128581-011222-B02MND
2022-04-208581-042022-B01MND
2022-04-208581-042022-B02MND
2022-07-278581-072722-B01MND
2022-07-278581-072722-B02MND
2022-10-198581-101922-B01MND
2022-10-198581-101922-B02MND
2023-01-188581-011823-B01MND
2023-01-188581-011823-B02MND
2023-04-128581-041223-B01MND
2023-04-128581-041223-B02MND
2023-07-128581-071223-B01M2.10 ppb
2023-07-128581-071223-B02MND
2023-10-188581-101823-B01M1.40 ppb
2023-10-188581-101823-B02M4.10 ppb