Know Your Environment. Protect Your Health.

Monochloroacetic acid

El Paso County Water Control and Improvement District 4 Fabens

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.70 ppb221.40 ppb - 2.00 ppb
20190.933 ppb63ND - 2.30 ppb
20200.575 ppb82ND - 2.50 ppb
2021ND80ND
2022ND80ND
20231.70 ppb87ND - 2.90 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
2018-05-03Q18179500021.40 ppb
2018-05-03Q18179500012.00 ppb
2019-05-30Q1930372004ND
2019-05-30Q19303720032.30 ppb
2019-08-05Q19506610011.40 ppb
2019-08-05Q19506610021.90 ppb
2019-10-16Q1972960001ND
2019-10-16Q1972960002ND
2020-03-04Q20082170052.50 ppb
2020-03-04Q20082170062.10 ppb
2020-04-21Q2016079002ND
2020-04-21Q2016079001ND
2020-08-27Q2034400001ND
2020-08-27Q2034400002ND
2020-11-17Q2045540001ND
2020-11-17Q2045540002ND
2021-01-20Q2101450005ND
2021-01-20Q2101450006ND
2021-04-20Q2110139001ND
2021-04-20Q2110139002ND
2021-07-21Q2119121001ND
2021-07-21Q2119121002ND
2021-11-04Q2130990001ND
2021-11-04Q2130990002ND
2022-03-08Q2207996007ND
2022-03-08Q2207996008ND
2022-05-05Q2213708001ND
2022-05-05Q2213708002ND
2022-08-04Q2222493001ND
2022-08-04Q2222493002ND
2022-10-20Q2231864001ND
2022-10-20Q2231864002ND
2023-02-01Q23042200111.000 ppb
2023-02-01Q2304220012ND
2023-05-15Q23182400011.90 ppb
2023-05-15Q23182400022.20 ppb
2023-08-10Q23332360012.90 ppb
2023-08-10Q23332360021.90 ppb
2023-10-12Q23435600011.70 ppb
2023-10-12Q23435600022.00 ppb