Know Your Environment. Protect Your Health.

Monochloroacetic acid

Cherokee, City of

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.58 ppb43ND - 2.20 ppb
20192.50 ppb41ND - 10.00 ppb
20201.77 ppb31ND - 5.30 ppb
20210.550 ppb41ND - 2.20 ppb
20220.733 ppb31ND - 2.20 ppb
20230.800 ppb41ND - 3.20 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
2018-01-169077772.10 ppb
2018-04-169380772.20 ppb
2018-07-111004334ND
2018-10-0910587602.00 ppb
2019-01-071102453ND
2019-04-231138873ND
2019-07-22120918910.00 ppb
2019-10-221263016ND
2020-01-1413119925.30 ppb
2020-04-141357668ND
2020-09-011519002ND
2021-01-051732339ND
2021-04-131817876ND
2021-08-1019138282.20 ppb
2021-10-121990650ND
2022-01-182159696ND
2022-04-122236345ND
2022-10-1823814632.20 ppb
2023-01-2424376203.20 ppb
2023-04-182485965ND
2023-07-112535255ND
2023-10-102593059ND