Know Your Environment. Protect Your Health.

Monochloroacetic acid

Mount Kisco Water Department

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.

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.10 ppb85ND - 2.66 ppb
20190.894 ppb85ND - 1.61 ppb
20201.26 ppb129ND - 3.00 ppb
20211.44 ppb127ND - 9.80 ppb
2022ND140ND
2023ND120ND

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
2018-03-12AU05065DBP2ND
2018-03-12AU05079DBP2ND
2018-06-12AU12127-DBP21.25 ppb
2018-06-12AU12126-DBP22.17 ppb
2018-09-13AU19983-DBP2ND
2018-09-13AU19982-DBP22.66 ppb
2018-12-13AU26679-DBP21.68 ppb
2018-12-13AU26680-DBP21.04 ppb
2019-03-13AV05129-DBP21.22 ppb
2019-03-13AV05128-DBP21.45 ppb
2019-06-11AV11844DBP21.47 ppb
2019-06-11AV11843DBP21.61 ppb
2019-09-11AV19310-DBP21.40 ppb
2019-09-11AV19311-DBP2ND
2019-12-11AV25879-DBP2ND
2019-12-11AV25878-DBP2ND
2020-03-11AW050487-DBP21.21 ppb
2020-03-11AW05049-DBP21.28 ppb
2020-04-23AW07616-DBP2ND
2020-04-23AW07614-DBP21.19 ppb
2020-04-23AW07618-DBP2ND
2020-06-12AW11012-DBP21.000 ppb
2020-06-12AW11011-DBP2ND
2020-09-11AW17660-DBP23.00 ppb
2020-09-11AW17661-DBP23.00 ppb
2020-10-05AW19196-DBP22.00 ppb
2020-12-11AW23644-DBP21.21 ppb
2020-12-11AW23645-DBP21.27 ppb
2021-02-17AX03237-DBP21.48 ppb
2021-03-12AX04739-DBP2ND
2021-03-12AX04740-DBP29.80 ppb
2021-06-11AX11323-DBP21.65 ppb
2021-06-11AX11324-DBP21.02 ppb
2021-08-03AX15582-DBP21.11 ppb
2021-08-03AX15580-DBP21.20 ppb
2021-08-03AX15584-DBP9ND
2021-08-13AX16434-DBP21.05 ppb
2021-08-13AX16435-DBP2ND
2021-11-09AX22552-DBP2ND
2021-11-09AX22551-DBP2ND
2022-02-11AY02581-DBP2ND
2022-02-11AY02582-DBP2ND
2022-03-10AY04233-DBP2ND
2022-05-11AY07961-DBP2ND
2022-05-11AY07960-DBP2ND
2022-06-27AY10875-DBP2ND
2022-06-27AY10876-DBP2ND
2022-08-11AY14222-DBP2ND
2022-08-11AY14221-DBP2ND
2022-09-13AY16358-DBP2ND
2022-09-13AY16356-DBP2ND
2022-09-13AY16360-DBP2ND
2022-11-10AY20408-DBP2ND
2022-11-10AY20409-DBP2ND
2023-01-24AZ01477-DBP2ND
2023-02-10AZ02583-DBP2ND
2023-02-10AZ02582-DBP2ND
2023-05-12AZ08581-DBP2ND
2023-05-12AZ08580-DBP2ND
2023-08-08AZ14732-DBP2ND
2023-08-11AZ14731-DBP2ND
2023-08-16AZ15164-DBP2ND
2023-08-16AZ15162-DBP2ND
2023-08-16AZ15166-DBP2ND
2023-11-13AZ20818-DBP2ND
2023-11-13AZ20819-DBP2ND