Know Your Environment. Protect Your Health.

Monochloroacetic acid

Northwestern W and SD - Wtln 200 Oregon

NOTE: Northwestern W and SD - Wtln 200 Oregon purchases water from Oregon City which is required to test for monochloroacetic acid. Sample information shown below was taken by Oregon City.

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND60ND
2021ND80ND
2022ND80ND
2023ND80ND

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

NOTE: Northwestern W and SD - Wtln 200 Oregon purchases water from Oregon City which is required to test for monochloroacetic acid. Sample information shown below was taken by Oregon City.

Date Lab ID Result
2018-01-09AH67798ND
2018-01-09AH67797ND
2018-01-09AH67795ND
2018-01-09AH67796ND
2018-04-10AH73835ND
2018-04-10AH73836ND
2018-04-10AH73837ND
2018-04-10AH73838ND
2018-07-11AH80378ND
2018-07-11AH80379ND
2018-07-11AH80380ND
2018-07-11AH80381ND
2018-10-10AH87710ND
2018-10-10AH87709ND
2018-10-10AH87712ND
2018-10-10AH87711ND
2019-01-08AH93548ND
2019-01-08AH93549ND
2019-01-08AH93547ND
2019-01-08AH93546ND
2019-04-09AH99692ND
2019-04-09AH99691ND
2019-04-09AH99689ND
2019-04-09AH99690ND
2019-07-08AI06256ND
2019-07-08AI06255ND
2019-07-08AI06258ND
2019-07-08AI06257ND
2019-10-08AI13413ND
2019-10-08AI13412ND
2019-10-08AI13410ND
2019-10-08AI13411ND
2020-01-14AI19614ND
2020-01-14AI19613ND
2020-01-14AI19612ND
2020-01-14AI19611ND
2020-04-14AI24961ND
2020-04-14AI24960ND
2020-04-14AI24959ND
2020-04-14AI24958ND
2020-07-14AI30424ND
2020-07-14AI30423ND
2020-07-14AI30422ND
2020-07-14AI30425ND
2020-10-14AI36401ND
2020-10-14AI36400ND
2020-10-14AI36399ND
2020-10-14AI36398ND
2021-01-12AI41237ND
2021-01-12AI41238ND
2021-01-12AI41239ND
2021-01-12AI41240ND
2021-04-13AI46186ND
2021-04-13AI46187ND
2021-04-13AI46188ND
2021-04-13AI46189ND
2021-07-13AI51874ND
2021-07-13AI51875ND
2021-07-13AI51876ND
2021-07-13AI51877ND
2021-10-12AI57812ND
2021-10-12AI57814ND
2021-10-12AI57813ND
2021-10-12AI57815ND
2022-01-11AI63182ND
2022-01-11AI63183ND
2022-01-11AI63181ND
2022-01-11AI63180ND
2022-04-12AI68153ND
2022-04-12AI68154ND
2022-04-12AI68155ND
2022-04-12AI68156ND
2022-07-12072022075ND
2022-07-12072022076ND
2022-07-12072022077ND
2022-07-12072022074ND
2022-10-132J02309-14ND
2022-10-132J02309-13ND
2022-10-132J02309-12ND
2022-10-132J02309-11ND
2023-01-103A01914-19ND
2023-01-103A01914-18ND
2023-01-103A01914-17ND
2023-01-103A01914-16ND
2023-04-10AI89835ND
2023-04-10AI89836ND
2023-04-10AI89837ND
2023-04-10AI89838ND
2023-07-11AI95519ND
2023-07-11AI95520ND
2023-07-11AI95521ND
2023-07-11AI95522ND
2023-10-10AJ01716ND
2023-10-10AJ01715ND
2023-10-10AJ01714ND
2023-10-10AJ01713ND