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Monochloroacetic acid

The Cape Master System

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.

MORE ABOUT THIS CONTAMINANT

 

89

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND210ND
2021ND160ND
20220.125 ppb161ND - 2.00 ppb
20231.15 ppb207ND - 5.00 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
2018-03-14CA17754-02ND
2018-03-14CA17754-01ND
2018-06-13CB02607-01ND
2018-06-13CB02607-02ND
2018-09-26CB07420-01ND
2018-09-26CB07420-02ND
2018-12-19CB13103-01ND
2018-12-19CB13103-02ND
2019-06-18CC02947-02ND
2019-06-18CC02947-04ND
2019-06-18CC02947-03ND
2019-06-18CC02947-01ND
2019-09-18CC07855-01ND
2019-09-18CC07855-02ND
2019-09-18CC07855-03ND
2019-09-18CC07855-04ND
2020-03-04CC18890-03ND
2020-03-04CC18890-04ND
2020-03-04CC18890-02ND
2020-03-0437729_20-08981ND
2020-03-04CC18890-01ND
2020-03-18CD04362-01ND
2020-03-25CD04562-01ND
2020-04-22CD04563-01ND
2020-05-20CD02654-01ND
2020-06-02CD09121-01ND
2020-06-02CD09121-02ND
2020-06-03CD09121-03ND
2020-06-17CD07965-01ND
2020-09-09CD06675-03ND
2020-09-09CD06675-04ND
2020-09-09CD06675-02ND
2020-09-09CD06675-01ND
2020-12-08CD13483-03ND
2020-12-08CD13483-04ND
2020-12-09CD13483-01ND
2020-12-09CD13483-02ND
2021-03-02CD18123-03ND
2021-03-02CD18123-04ND
2021-03-04CE03803-01ND
2021-03-16CE04388-01ND
2021-06-02CE02289-04ND
2021-06-02CE02289-03ND
2021-06-02CE02289-01ND
2021-06-02CE02289-02ND
2021-09-14CE06134-01ND
2021-09-14CE06134-03ND
2021-09-15CE06134-04ND
2021-09-15CE06134-02ND
2021-12-08CE19332-01ND
2021-12-08CE19332-02ND
2021-12-08CE19332-03ND
2021-12-08CE19332-04ND
2022-03-0837729_22-100802.00 ppb
2022-03-0837729_22-10079ND
2022-03-0837729_22-10078ND
2022-03-0837729_22-10077ND
2022-06-0837729_22-25788ND
2022-06-0837729_22-25789ND
2022-06-0837729_22-25790ND
2022-06-0837729_22-25791ND
2022-09-0837729_22-43407ND
2022-09-0837729_22-43408ND
2022-09-0837729_22-43409ND
2022-09-0837729_22-43410ND
2022-12-0637729_22-59539ND
2022-12-0637729_22-59537ND
2022-12-0637729_22-59536ND
2022-12-0637729_22-59538ND
2023-03-0837729_23-11840ND
2023-03-0837729_23-11851ND
2023-03-0837729_23-11852ND
2023-03-0837729_23-11853ND
2023-06-0637729_23-283085.00 ppb
2023-06-0637729_23-28309ND
2023-06-0637729_23-28310ND
2023-06-0637729_23-28311ND
2023-09-1937729_23-52743ND
2023-09-1937729_23-527454.00 ppb
2023-09-1937729_23-527442.00 ppb
2023-09-1937729_23-52741ND
2023-11-1637729_23-654212.00 ppb
2023-11-1637729_23-65423ND
2023-11-1637729_23-654243.00 ppb
2023-11-1637729_23-654255.00 ppb
2023-12-1937729_23-718772.00 ppb
2023-12-1937729_23-71879ND
2023-12-1937729_23-71880ND
2023-12-1937729_23-71881ND