Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of West Fargo

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

27

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
20201.64 ppb168ND - 4.02 ppb
20210.932 ppb168ND - 2.63 ppb
20220.673 ppb167ND - 1.88 ppb
20230.324 ppb164ND - 1.46 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
2018-02-1218-S191ND
2018-02-1218-S188ND
2018-02-1218-S189ND
2018-02-1218-S190ND
2018-05-1518-S726ND
2018-05-1518-S729ND
2018-05-1518-S728ND
2018-05-1518-S727ND
2018-08-2018-S1750ND
2018-08-2018-S1751ND
2018-08-2018-S1749ND
2018-08-2018-S1748ND
2018-11-1418-S2391ND
2018-11-1418-S2389ND
2018-11-1418-S2390ND
2018-11-1418-S2388ND
2019-02-1119-S105ND
2019-02-1119-S106ND
2019-02-1119-S104ND
2019-02-1119-S107ND
2019-05-1319-S584ND
2019-05-1319-S585ND
2019-05-1319-S582ND
2019-05-1319-S583ND
2019-08-2019-S1739ND
2019-08-2019-S1740ND
2019-08-2019-S1741ND
2019-08-2019-S1742ND
2019-11-1219-S2429ND
2019-11-1219-S2426ND
2019-11-1219-S2428ND
2019-11-1219-S2427ND
2020-02-133610963.74 ppb
2020-02-133610973.57 ppb
2020-02-133610984.02 ppb
2020-02-133610953.54 ppb
2020-05-12364643ND
2020-05-12364645ND
2020-05-12364644ND
2020-05-12364646ND
2020-08-113701912.68 ppb
2020-08-113701882.81 ppb
2020-08-113701903.11 ppb
2020-08-113701892.73 ppb
2020-11-09373127ND
2020-11-09373124ND
2020-11-09373125ND
2020-11-09373126ND
2021-02-08376153ND
2021-02-08376155ND
2021-02-08376154ND
2021-02-08376156ND
2021-05-113803471.82 ppb
2021-05-113803461.75 ppb
2021-05-11380345ND
2021-05-113803481.54 ppb
2021-08-103842641.64 ppb
2021-08-103842621.68 ppb
2021-08-103842632.01 ppb
2021-08-103842611.84 ppb
2021-11-08388552ND
2021-11-08388550ND
2021-11-08388549ND
2021-11-083885512.63 ppb
2022-02-07392433ND
2022-02-07391909ND
2022-02-07391907ND
2022-02-07391908ND
2022-05-093953391.22 ppb
2022-05-093953371.22 ppb
2022-05-09395340ND
2022-05-093953381.88 ppb
2022-08-083995221.46 ppb
2022-08-083995241.88 ppb
2022-08-083995211.23 ppb
2022-08-083995231.88 ppb
2022-11-07403881ND
2022-11-07403883ND
2022-11-07403882ND
2022-11-07403880ND
2023-02-06407561ND
2023-02-06407560ND
2023-02-06407559ND
2023-02-06407558ND
2023-05-084111211.46 ppb
2023-05-084111181.36 ppb
2023-05-084111201.10 ppb
2023-05-08411119ND
2023-08-08415131ND
2023-08-08415130ND
2023-08-08415133ND
2023-08-08415132ND
2023-11-06419010ND
2023-11-06419011ND
2023-11-06419012ND
2023-11-064190131.27 ppb