Know Your Environment. Protect Your Health.

Monochloroacetic acid

Leon Water Supply

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
20182.00 ppb85ND - 4.00 ppb
20190.750 ppb83ND - 2.00 ppb
20200.500 ppb82ND - 2.00 ppb
20210.875 ppb82ND - 4.00 ppb
20223.17 ppb84ND - 9.48 ppb
20231.14 ppb83ND - 5.60 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
2018-02-05OE618872ND
2018-02-05OE6188712.00 ppb
2018-05-14OE6577664.00 ppb
2018-05-14OE6577654.00 ppb
2018-08-07OE695235ND
2018-08-07OE695236ND
2018-11-05OE7360083.00 ppb
2018-11-05OE7360093.00 ppb
2019-02-04OE7670332.00 ppb
2019-02-04OE7670342.00 ppb
2019-05-13OE807375ND
2019-05-13OE807376ND
2019-08-12OE8494042.00 ppb
2019-08-12OE849384ND
2019-11-04OE889619ND
2019-11-04OE889620ND
2020-02-17OE930575ND
2020-02-17OE930576ND
2020-05-04OE9947422.00 ppb
2020-05-04OE9947432.00 ppb
2020-08-03OE1158978ND
2020-08-03OE1158979ND
2020-11-03OE1394630ND
2020-11-03OE1394631ND
2021-02-16OE1593638ND
2021-02-16OE1593639ND
2021-05-03OE1684734ND
2021-05-03OE1684735ND
2021-08-04OE1782819ND
2021-08-04OE1782820ND
2021-11-03OE19215254.00 ppb
2021-11-03OE19215263.00 ppb
2022-03-231FC2540-018.85 ppb
2022-03-231FC2540-029.48 ppb
2022-05-03OE2093154ND
2022-05-03OE20931552.00 ppb
2022-08-02OE21472605.00 ppb
2022-08-02OE2147261ND
2022-11-01OE2199516ND
2022-11-01OE2199517ND
2023-02-15OE22430462.00 ppb
2023-02-15OE2243045ND
2023-05-021GE0618-011.50 ppb
2023-05-021GE0618-02ND
2023-08-091GH1283-01ND
2023-08-091GH1283-02ND
2023-11-081GK0837-025.60 ppb
2023-11-081GK0837-01ND