Know Your Environment. Protect Your Health.

Monochloroacetic acid

Montrose Boydell Water System

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
2018ND80ND
2019ND80ND
2020ND80ND
2021ND80ND
20220.863 ppb81ND - 6.90 ppb
2023ND80ND

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
2018-01-0918010000202ND
2018-01-0918010000102ND
2018-04-1018102002801ND
2018-04-1018102002901ND
2018-07-0918193007301ND
2018-07-0918193007401ND
2018-10-0918284000701ND
2018-10-0918284000901ND
2019-02-2619059002301ND
2019-02-2619059002201ND
2019-04-0819101003201ND
2019-04-0819101003001ND
2019-08-0619220014601ND
2019-08-0619220014501ND
2019-10-0719283004601ND
2019-10-0719283004501ND
2020-01-2920030004701ND
2020-01-2920030004801ND
2020-04-2020114007901ND
2020-04-2020114007801ND
2020-07-2120204002601ND
2020-07-2120204002501ND
2020-10-2020296013201ND
2020-10-2020296013301ND
2021-01-1221014004101ND
2021-01-1221014004201ND
2021-04-2021112006301ND
2021-04-2021112006401ND
2021-07-2021203006301ND
2021-07-2021203006201ND
2021-10-1221287006101ND
2021-10-1221287006001ND
2022-01-11220130117016.90 ppb
2022-01-1122013011601ND
2022-04-19O197138-HAA-1ND
2022-04-19O197139-HAA-1ND
2022-07-20O199887-HAA-1ND
2022-07-20O199886-HAA-1ND
2022-10-18O202985-HAA-1ND
2022-10-18O202984-HAA-1ND
2023-01-10O205108-HAA-1ND
2023-02-13O206554-HAA-1ND
2023-04-24O208300-HAA-1ND
2023-04-24O208301-HAA-1ND
2023-07-19O210740-HAA-1ND
2023-07-19O210741-HAA-1ND
2023-10-18O213097-HAA-1ND
2023-10-18O213098-HAA-1ND