Know Your Environment. Protect Your Health.

Monochloroacetic acid

Longview Water Department

Monochloroacetic 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.

 

80

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.325 ppb162ND - 2.70 ppb
2020N/A00N/A
20210.331 ppb161ND - 5.30 ppb
2022ND160ND
2023ND160ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic 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.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-06-21ND
2018-06-21ND
2018-06-21ND
2018-06-21ND
2018-09-04ND
2018-09-04ND
2018-09-04ND
2018-09-04ND
2018-12-06ND
2018-12-06ND
2018-12-06ND
2018-12-06ND
2019-03-18ND
2019-03-18ND
2019-03-18ND
2019-03-18ND
2019-06-192.50 ppb
2019-06-192.70 ppb
2019-06-19ND
2019-06-19ND
2019-09-16ND
2019-09-16ND
2019-09-16ND
2019-09-16ND
2019-12-09ND
2019-12-09ND
2019-12-09ND
2019-12-09ND
2021-03-234094345ND
2021-03-234094338ND
2021-03-234094342ND
2021-03-234094334ND
2021-06-074132515ND
2021-06-074132512ND
2021-06-074132513ND
2021-06-074132514ND
2021-09-204183473ND
2021-09-204183474ND
2021-09-204183476ND
2021-09-2041834755.30 ppb
2021-12-064218385ND
2021-12-064218384ND
2021-12-064218383ND
2021-12-064218386ND
2022-03-074254426ND
2022-03-074254431ND
2022-03-074254433ND
2022-03-074254428ND
2022-06-204303915ND
2022-06-204303918ND
2022-06-204303917ND
2022-06-204303916ND
2022-09-194368199ND
2022-09-194368115ND
2022-09-194368120ND
2022-09-194368118ND
2022-12-124395400ND
2022-12-124395407ND
2022-12-124395403ND
2022-12-124395411ND
2023-03-144431724ND
2023-03-144431725ND
2023-03-144431723ND
2023-03-144431722ND
2023-06-134473884ND
2023-06-134473885ND
2023-06-134473882ND
2023-06-134473886ND
2023-09-134528744ND
2023-09-134528746ND
2023-09-134528747ND
2023-09-134528743ND
2023-12-124569081ND
2023-12-124569080ND
2023-12-124569082ND
2023-12-124569083ND