Know Your Environment. Protect Your Health.

Monochloroacetic acid

Towner, 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.

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.301 ppb91ND - 2.71 ppb
2019ND80ND
2020ND80ND
2021ND80ND
2022ND80ND
20230.401 ppb101ND - 4.01 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
2018-01-1718-S57ND
2018-01-1718-S58ND
2018-04-1618-S504ND
2018-04-1618-S505ND
2018-07-1718-S1146ND
2018-07-1718-S11472.71 ppb
2018-10-1718-S2294ND
2018-10-1718-S2293ND
2018-10-1718-S2292ND
2019-01-1519-S49ND
2019-01-1519-S50ND
2019-04-2319-S453ND
2019-04-2319-S454ND
2019-07-1619-S1184ND
2019-07-1619-S1185ND
2019-10-1619-S2332ND
2019-10-1619-S2331ND
2020-01-14360272ND
2020-01-14360271ND
2020-04-14363078ND
2020-04-14363077ND
2020-07-14369558ND
2020-07-14369557ND
2020-10-13372363ND
2020-10-13372364ND
2021-01-12375911ND
2021-01-12375912ND
2021-04-13378785ND
2021-04-13378784ND
2021-07-20383404ND
2021-07-20383405ND
2021-10-13389114ND
2021-10-13389113ND
2022-01-11391191ND
2022-01-11391188ND
2022-04-19394229ND
2022-04-19394228ND
2022-07-19398429ND
2022-07-19398430ND
2022-10-04402562ND
2022-10-04402563ND
2023-01-10405839ND
2023-01-104058384.01 ppb
2023-04-25410686ND
2023-04-25410685ND
2023-06-06411751ND
2023-06-06411750ND
2023-07-25414975ND
2023-07-25414976ND
2023-10-10418630ND
2023-10-10418631ND