Know Your Environment. Protect Your Health.

Monochloroacetic acid

North Rural Water Supply Corporation

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
20181.49 ppb86ND - 2.30 ppb
20191.88 ppb881.30 ppb - 2.40 ppb
20201.88 ppb86ND - 3.00 ppb
20212.05 ppb86ND - 5.30 ppb
20220.950 ppb86ND - 1.80 ppb
20231.89 ppb881.20 ppb - 2.60 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
2018-02-28Q1808324004ND
2018-02-28Q1808324002ND
2018-05-31Q18216360022.20 ppb
2018-05-31Q18216360011.50 ppb
2018-08-21Q18337690012.20 ppb
2018-08-21Q18337690022.10 ppb
2018-11-14Q18460920011.60 ppb
2018-11-14Q18460920022.30 ppb
2019-02-27Q19082930012.20 ppb
2019-02-27Q19082930022.40 ppb
2019-05-29Q19296180032.20 ppb
2019-05-29Q19296180041.90 ppb
2019-09-18Q19663310021.90 ppb
2019-09-18Q19663310011.60 ppb
2019-12-03Q19785690011.50 ppb
2019-12-03Q19785690021.30 ppb
2020-02-26Q20072760032.00 ppb
2020-02-26Q20072760042.20 ppb
2020-06-03Q20219800012.40 ppb
2020-06-03Q20219800022.40 ppb
2020-08-26Q20342150013.00 ppb
2020-08-26Q20342150023.00 ppb
2020-11-17Q2045386001ND
2020-11-17Q2045386002ND
2021-03-03Q21057000011.40 ppb
2021-03-03Q21057000021.80 ppb
2021-05-26Q21136980013.50 ppb
2021-05-26Q21136980025.30 ppb
2021-08-24Q21229840012.30 ppb
2021-08-24Q21229840022.10 ppb
2021-12-01Q2133494001ND
2021-12-01Q2133494002ND
2022-02-14Q2205193003ND
2022-02-14Q2205193004ND
2022-04-25Q22123250011.10 ppb
2022-04-25Q22123250021.80 ppb
2022-08-02Q22220180021.60 ppb
2022-09-27Q22290060011.10 ppb
2022-11-16Q22344710011.000 ppb
2022-11-16Q22344710021.000 ppb
2023-02-21Q23070160012.10 ppb
2023-02-21Q23070160021.90 ppb
2023-06-07Q23214060031.80 ppb
2023-06-07Q23214060042.60 ppb
2023-09-06Q23384720012.30 ppb
2023-09-06Q23384720021.80 ppb
2023-12-04Q23513240011.40 ppb
2023-12-04Q23513240021.20 ppb