Know Your Environment. Protect Your Health.

Monochloroacetic acid

Tbcd Winnie Stowell

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.600 ppb82ND - 2.80 ppb
20190.900 ppb83ND - 2.60 ppb
20201.43 ppb83ND - 5.30 ppb
20212.65 ppb87ND - 4.90 ppb
20221.80 ppb85ND - 3.60 ppb
20231.11 ppb83ND - 3.70 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
2018-01-23AE09839ND
2018-01-23AE09837ND
2018-04-10AE21881ND
2018-04-10AE218542.00 ppb
2018-08-01AE352352.80 ppb
2018-08-01AE35243ND
2018-10-22AE44097ND
2018-10-22AE44100ND
2019-01-30AE52186ND
2019-01-30AE521872.60 ppb
2019-05-30AE685762.40 ppb
2019-05-30AE685822.20 ppb
2019-08-05AE76997ND
2019-08-05AE76994ND
2019-11-05AE88441ND
2019-11-05AE88442ND
2020-01-14AE93416ND
2020-01-14AE93420ND
2020-04-07AF058412.50 ppb
2020-04-07AF058423.60 ppb
2020-09-24AF28411ND
2020-09-24AF28414ND
2020-11-16AF34556ND
2020-11-16AF345605.30 ppb
2021-03-23AF478412.70 ppb
2021-03-23AF478422.50 ppb
2021-04-13AF500842.70 ppb
2021-04-13AF500932.50 ppb
2021-07-06AF609243.40 ppb
2021-07-06AF609254.90 ppb
2021-10-06AF72401ND
2021-10-06AF724022.50 ppb
2022-01-18AF80433ND
2022-01-18AF804342.90 ppb
2022-04-07AF924092.80 ppb
2022-04-07AF924133.10 ppb
2022-08-09AG085383.60 ppb
2022-08-09AG085422.00 ppb
2022-11-22AG19619ND
2022-11-22AG19622ND
2023-01-26AG26440ND
2023-01-26AG26442ND
2023-04-18AG37053ND
2023-04-18AG370543.70 ppb
2023-08-24AG539772.20 ppb
2023-08-24AG539803.00 ppb
2023-10-03AG58238ND
2023-10-03AG58240ND