Know Your Environment. Protect Your Health.

Monochloroacetic acid

Cecilia Water 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.

 

128

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.07 ppb3224ND - 5.10 ppb
20191.18 ppb3224ND - 2.90 ppb
20201.67 ppb1614ND - 3.60 ppb
20211.05 ppb1610ND - 3.50 ppb
20220.934 ppb1610ND - 1.90 ppb
20230.513 ppb165ND - 1.80 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
2018-03-15353805750013.70 ppb
2018-03-15353805750022.30 ppb
2018-03-15353805750032.40 ppb
2018-03-15353805750045.10 ppb
2018-03-15353805750013.70 ppb
2018-03-15353805750022.30 ppb
2018-03-15353805750032.40 ppb
2018-03-15353805750045.10 ppb
2018-06-2135400074001ND
2018-06-21354000740022.70 ppb
2018-06-21354000740033.20 ppb
2018-06-21354000740042.10 ppb
2018-06-2135400074001ND
2018-06-21354000740022.70 ppb
2018-06-21354000740033.20 ppb
2018-06-21354000740042.10 ppb
2018-09-19354195310012.60 ppb
2018-09-19354195310022.20 ppb
2018-09-19354195310032.40 ppb
2018-09-1935419531004ND
2018-09-19354195310012.60 ppb
2018-09-19354195310022.20 ppb
2018-09-19354195310032.40 ppb
2018-09-1935419531004ND
2018-12-0535435801001ND
2018-12-05354358010020.980 ppb
2018-12-0535435801003ND
2018-12-05354358010043.40 ppb
2018-12-0535435801001ND
2018-12-05354358010020.980 ppb
2018-12-0535435801003ND
2018-12-05354358010043.40 ppb
2019-03-15354546170011.20 ppb
2019-03-15354546170021.000 ppb
2019-03-1535454617003ND
2019-03-15354546170041.70 ppb
2019-03-15354546170011.20 ppb
2019-03-15354546170021.000 ppb
2019-03-1535454617003ND
2019-03-15354546170041.70 ppb
2019-06-13354756790011.60 ppb
2019-06-13354756790022.90 ppb
2019-06-13354756790031.40 ppb
2019-06-13354756790041.70 ppb
2019-06-13354756790011.60 ppb
2019-06-13354756790022.90 ppb
2019-06-13354756790031.40 ppb
2019-06-13354756790041.70 ppb
2019-09-11354977820012.40 ppb
2019-09-11354977820021.000 ppb
2019-09-11354977820031.20 ppb
2019-09-11354977820041.30 ppb
2019-09-11354977820012.40 ppb
2019-09-11354977820021.000 ppb
2019-09-11354977820031.20 ppb
2019-09-11354977820041.30 ppb
2019-12-1235518911001ND
2019-12-1235518911002ND
2019-12-1235518911003ND
2019-12-12355189110041.40 ppb
2019-12-1235518911001ND
2019-12-1235518911002ND
2019-12-1235518911003ND
2019-12-12355189110041.40 ppb
2020-03-06355359180012.30 ppb
2020-03-0635535918002ND
2020-03-06355359180030.940 ppb
2020-03-06355359180043.60 ppb
2020-06-12355563990012.30 ppb
2020-06-12355563990021.20 ppb
2020-06-12355563990031.80 ppb
2020-06-12355563990042.60 ppb
2020-09-10355773470011.50 ppb
2020-09-10355773470021.40 ppb
2020-09-10355773470031.20 ppb
2020-09-10355773470042.80 ppb
2020-12-17356001560011.30 ppb
2020-12-1735600156002ND
2020-12-17356001560031.10 ppb
2020-12-17356001560042.60 ppb
2021-03-1135618767001ND
2021-03-11356187670020.930 ppb
2021-03-11356187670031.10 ppb
2021-03-11356187670043.10 ppb
2021-06-0335638280001ND
2021-06-0335638280002ND
2021-06-03356382800030.960 ppb
2021-06-03356382800042.10 ppb
2021-09-20356660580011.40 ppb
2021-09-20356660580020.970 ppb
2021-09-2035666058003ND
2021-09-20356660580041.60 ppb
2021-12-02356819180011.10 ppb
2021-12-0235681918002ND
2021-12-0235681918003ND
2021-12-02356819180043.50 ppb
2022-03-10357034290011.50 ppb
2022-03-10357034290021.000 ppb
2022-03-10357034290030.950 ppb
2022-03-10357034290041.70 ppb
2022-06-0935723892001ND
2022-06-0935723892002ND
2022-06-0935723892003ND
2022-06-09357238920041.90 ppb
2022-09-01357441370011.60 ppb
2022-09-01357441370021.30 ppb
2022-09-01357441370031.50 ppb
2022-09-01357441370041.70 ppb
2022-12-0735765425001ND
2022-12-0735765425002ND
2022-12-0735765425003ND
2022-12-07357654250041.80 ppb
2023-03-13357863150011.20 ppb
2023-03-1335786315002ND
2023-03-1335786315003ND
2023-03-1335786315004ND
2023-06-2335808808001ND
2023-06-2335808808002ND
2023-06-2335808808003ND
2023-06-2335808808004ND
2023-09-12358276740011.80 ppb
2023-09-12358276740021.80 ppb
2023-09-12358276740031.60 ppb
2023-09-12358276740041.80 ppb
2023-12-0835847101001ND
2023-12-0835847101002ND
2023-12-0835847101003ND
2023-12-0835847101004ND