Know Your Environment. Protect Your Health.

Monochloroacetic acid

Ventura County Waterworks District No. 19 - Somis

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND40ND
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

Date Lab ID Result
2018-02-01CA5610015_DST_010-201802011455ND
2018-02-01CA5610015_DST_011-201802011507ND
2019-02-01CA5610015_DST_011-201902011123ND
2019-02-01CA5610015_DST_010-201902011140ND
2020-02-06CA5610015_DST_011-202002061047ND
2020-02-06CA5610015_DST_010-202002060936ND
2021-02-03CA5610015_DST_011-202102031228ND
2021-02-03CA5610015_DST_010-202102031208ND
2022-02-01CA5610015_DST_011-202202011546ND
2022-02-01CA5610015_DST_010-202202011609ND
2022-11-02CA5610015_DST_010-202211021250ND
2022-11-02CA5610015_DST_011-202211021350ND
2023-02-09CA5610015_DST_010-202302090945ND
2023-02-09CA5610015_DST_011-202302090930ND
2023-05-03CA5610015_DST_011-202305031040ND
2023-05-03CA5610015_DST_010-202305031010ND
2023-08-15CA5610015_DST_010-202308151130ND
2023-08-15CA5610015_DST_011-202308151315ND
2023-11-07CA5610015_DST_010-202311070905ND
2023-11-07CA5610015_DST_011-202311070849ND