Know Your Environment. Protect Your Health.

Monochloroacetic acid

St. Martin Parish Industrial Park Ws

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201812.0 ppb4411.2 ppb - 12.8 ppb
20190.495 ppb42ND - 0.990 ppb
20200.950 ppb220.940 ppb - 0.960 ppb
20210.550 ppb21ND - 1.10 ppb
20220.600 ppb21ND - 1.20 ppb
20233.55 ppb221.000 ppb - 6.10 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
2018-07-203540578100112.8 ppb
2018-07-203540578100211.2 ppb
2018-07-203540578100112.8 ppb
2018-07-203540578100211.2 ppb
2019-07-25354854360010.990 ppb
2019-07-2535485436002ND
2019-07-25354854360010.990 ppb
2019-07-2535485436002ND
2020-07-09355624200010.940 ppb
2020-07-09355624200020.960 ppb
2021-07-12356480820011.10 ppb
2021-07-1235648082002ND
2022-07-25357342800011.20 ppb
2022-07-2535734280002ND
2023-07-10358123570011.000 ppb
2023-07-10358123570026.10 ppb