Know Your Environment. Protect Your Health.

Monochloroacetic acid

Cross Roads Special Utility District

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.850 ppb21ND - 1.70 ppb
20200.500 ppb21ND - 1.000 ppb
20211.72 ppb65ND - 2.60 ppb
20221.75 ppb85ND - 4.70 ppb
20231.33 ppb85ND - 2.80 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
2018-06-11Q1823067011ND
2018-06-11Q1823067004ND
2019-09-03Q1961414001ND
2019-09-03Q19614140021.70 ppb
2020-09-17Q20371900011.000 ppb
2020-09-17Q2037190002ND
2021-06-24Q2116616008ND
2021-06-24Q21166160091.80 ppb
2021-09-21Q21258590042.00 ppb
2021-09-21Q21258590052.60 ppb
2021-11-30Q21330080162.60 ppb
2021-11-30Q21330080171.30 ppb
2022-03-22Q2209157007ND
2022-03-22Q2209157008ND
2022-05-26Q22152400011.10 ppb
2022-05-26Q2215240002ND
2022-09-15Q22277050014.70 ppb
2022-09-15Q22277050021.70 ppb
2022-12-13Q22372940013.10 ppb
2022-12-13Q22372940023.40 ppb
2023-02-27Q2307812009ND
2023-02-27Q2307812010ND
2023-05-25Q23196650012.60 ppb
2023-05-25Q2319665002ND
2023-07-20Q23287420051.30 ppb
2023-07-20Q23287420061.80 ppb
2023-10-16Q23438860102.80 ppb
2023-10-16Q23438860112.10 ppb