Know Your Environment. Protect Your Health.

Monochloroacetic acid

Water Works District #1 of Vermilion

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.

 

136

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.193 ppb324ND - 2.10 ppb
20190.279 ppb326ND - 2.30 ppb
20200.113 ppb161ND - 1.80 ppb
20210.163 ppb162ND - 1.50 ppb
20220.0750 ppb161ND - 1.20 ppb
20230.241 ppb245ND - 1.40 ppb

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
2018-02-0135371889001ND
2018-02-0135371889002ND
2018-02-0135371889003ND
2018-02-0135371889004ND
2018-02-0135371889001ND
2018-02-0135371889002ND
2018-02-0135371889003ND
2018-02-0135371889004ND
2018-05-1035391903001ND
2018-05-1035391903002ND
2018-05-1035391903003ND
2018-05-1035391903004ND
2018-05-1035391903001ND
2018-05-1035391903002ND
2018-05-1035391903003ND
2018-05-1035391903004ND
2018-08-2335413449001ND
2018-08-2335413449002ND
2018-08-2335413449003ND
2018-08-23354134490042.10 ppb
2018-08-2335413449001ND
2018-08-2335413449002ND
2018-08-2335413449003ND
2018-08-23354134490042.10 ppb
2018-11-08354303700010.990 ppb
2018-11-0835430370002ND
2018-11-0835430370003ND
2018-11-0835430370004ND
2018-11-08354303700010.990 ppb
2018-11-0835430370002ND
2018-11-0835430370003ND
2018-11-0835430370004ND
2019-02-2035450027001ND
2019-02-2035450027002ND
2019-02-2035450027003ND
2019-02-2035450027004ND
2019-02-2035450027001ND
2019-02-2035450027002ND
2019-02-2035450027003ND
2019-02-2035450027004ND
2019-05-09354682920012.30 ppb
2019-05-0935468292002ND
2019-05-0935468292003ND
2019-05-0935468292004ND
2019-05-09354682920012.30 ppb
2019-05-0935468292002ND
2019-05-0935468292003ND
2019-05-0935468292004ND
2019-08-0235486851001ND
2019-08-0235486851002ND
2019-08-0235486851003ND
2019-08-02354868510040.970 ppb
2019-08-0235486851001ND
2019-08-0235486851002ND
2019-08-0235486851003ND
2019-08-02354868510040.970 ppb
2019-11-0735511104001ND
2019-11-07355111040021.20 ppb
2019-11-0735511104003ND
2019-11-0735511104004ND
2019-11-0735511104001ND
2019-11-07355111040021.20 ppb
2019-11-0735511104003ND
2019-11-0735511104004ND
2020-02-1435531169001ND
2020-02-1435531169002ND
2020-02-1435531169003ND
2020-02-1435531169004ND
2020-05-1535550589001ND
2020-05-1535550589002ND
2020-05-1535550589003ND
2020-05-1535550589004ND
2020-08-2035572677001ND
2020-08-2035572677002ND
2020-08-2035572677003ND
2020-08-2035572677004ND
2020-11-1235592153001ND
2020-11-1235592153002ND
2020-11-1235592153003ND
2020-11-12355921530041.80 ppb
2021-02-0835610878001ND
2021-02-0835610878002ND
2021-02-0835610878003ND
2021-02-08356108780041.10 ppb
2021-05-0335631002001ND
2021-05-0335631002002ND
2021-05-0335631002003ND
2021-05-0335631002004ND
2021-08-2635659630001ND
2021-08-2635659630002ND
2021-08-2635659630003ND
2021-08-26356596300041.50 ppb
2021-11-1035679362003ND
2021-11-1035679362004ND
2021-11-1035679362005ND
2021-11-1035679362006ND
2022-02-1435697669003ND
2022-02-1435697669004ND
2022-02-1435697669005ND
2022-02-1435697669006ND
2022-05-1235717862003ND
2022-05-1235717862004ND
2022-05-1235717862005ND
2022-05-1235717862006ND
2022-08-0235736976001ND
2022-08-0235736976002ND
2022-08-0235736976003ND
2022-08-0235736976004ND
2022-11-1735761283005ND
2022-11-17357612830061.20 ppb
2022-11-1735761283007ND
2022-11-1735761283008ND
2023-02-1035778887001ND
2023-02-1035778887002ND
2023-02-1035778887003ND
2023-02-1035778887004ND
2023-02-1035778888001ND
2023-02-10357788880020.990 ppb
2023-05-2435802451001ND
2023-05-2435802451002ND
2023-05-2435802451003ND
2023-05-2435802451004ND
2023-05-2435802451005ND
2023-05-2435802451006ND
2023-08-1635821969001ND
2023-08-1635821969002ND
2023-08-1635821969003ND
2023-08-1635821969004ND
2023-08-16358219690051.20 ppb
2023-08-1635821969006ND
2023-11-0835840839001ND
2023-11-08358408390021.10 ppb
2023-11-0835840839003ND
2023-11-08358408390041.10 ppb
2023-11-08358408390051.40 ppb
2023-11-0835840839006ND