Know Your Environment. Protect Your Health.

Monochloroacetic acid

Port Alto Homeowners Association District 1

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
20220.800 ppb41ND - 3.20 ppb
2023ND40ND

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
2018-02-28AE16002ND
2018-05-29AE27862ND
2018-08-30AE38952ND
2018-12-10AE48369ND
2019-02-27AE56226ND
2019-05-22AE67597ND
2019-08-21AE79839ND
2019-10-24AE87561ND
2020-03-16AF02903ND
2020-05-27AF12853ND
2020-09-10AF26986ND
2020-11-18AF35081ND
2021-03-25AF48113ND
2021-06-04AF56632ND
2021-08-16AF66380ND
2021-11-10AF76388ND
2022-02-17AF85478ND
2022-04-27AF94590ND
2022-08-18AG09980ND
2022-11-29AG202563.20 ppb
2023-02-13AG28801ND
2023-04-18AG37036ND
2023-07-24AG49813ND
2023-10-18AG60208ND