Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Frost

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
20182.16 ppb85ND - 6.40 ppb
20191.41 ppb85ND - 3.60 ppb
20201.09 ppb84ND - 3.30 ppb
20210.288 ppb81ND - 2.30 ppb
2022ND80ND
20232.48 ppb881.10 ppb - 4.30 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
2018-02-08Q1805370002ND
2018-02-08Q1805370001ND
2018-04-19Q18161140026.40 ppb
2018-04-19Q1816114001ND
2018-07-17Q18285900071.40 ppb
2018-07-17Q18285900082.40 ppb
2018-10-25Q18427750013.30 ppb
2018-10-25Q18427750023.80 ppb
2019-02-06Q19058040023.20 ppb
2019-02-06Q19058040041.90 ppb
2019-04-18Q19157890011.20 ppb
2019-04-18Q19157890051.40 ppb
2019-07-29Q1948666002ND
2019-07-29Q1948666001ND
2019-10-22Q1973212001ND
2019-10-22Q19732120023.60 ppb
2020-01-23Q2002753008ND
2020-01-23Q2002753009ND
2020-04-09Q2014413001ND
2020-04-09Q2014413002ND
2020-07-21Q20284050011.40 ppb
2020-07-21Q20284050023.30 ppb
2020-10-23Q20413940011.000 ppb
2020-10-23Q20413940023.00 ppb
2021-01-20Q2101382001ND
2021-01-20Q2101382002ND
2021-05-18Q2112935001ND
2021-05-18Q21129350022.30 ppb
2021-09-16Q2125444006ND
2021-09-16Q2125444007ND
2021-11-01Q2130518001ND
2021-11-01Q2130518002ND
2022-03-10Q2208296001ND
2022-03-10Q2208296002ND
2022-05-03Q2213443001ND
2022-05-03Q2213443002ND
2022-08-23Q2224991002ND
2022-08-23Q2224991003ND
2022-11-15Q2234311002ND
2022-11-15Q2234311003ND
2023-03-22Q23108530082.40 ppb
2023-03-22Q23108530092.30 ppb
2023-05-31Q23203500011.80 ppb
2023-05-31Q23203500021.10 ppb
2023-07-31Q23308390012.80 ppb
2023-07-31Q23308390021.80 ppb
2023-10-04Q23427050013.30 ppb
2023-10-04Q23427050024.30 ppb