Know Your Environment. Protect Your Health.

Monochloroacetic acid

Darbonne Ws South

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.

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.667 ppb188ND - 2.10 ppb
20190.675 ppb168ND - 1.70 ppb
20200.266 ppb82ND - 1.20 ppb
20210.404 ppb83ND - 1.20 ppb
20220.488 ppb84ND - 1.000 ppb
20230.393 ppb83ND - 1.10 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
2018-02-2635376597001ND
2018-02-2635376597001ND
2018-03-08353793030021.40 ppb
2018-03-08353793030012.10 ppb
2018-03-08353793030021.40 ppb
2018-03-08353793030012.10 ppb
2018-05-29353952110020.900 ppb
2018-05-29353952110011.60 ppb
2018-05-29353952110020.900 ppb
2018-05-29353952110011.60 ppb
2018-08-1635412062001ND
2018-08-1635412062002ND
2018-08-1635412062002ND
2018-08-1635412062001ND
2018-11-1935432391001ND
2018-11-1935432391002ND
2018-11-1935432391002ND
2018-11-1935432391001ND
2019-02-2535450962002ND
2019-02-2535450962002ND
2019-02-2535450962001ND
2019-02-2535450962001ND
2019-05-20354702230011.30 ppb
2019-05-20354702230021.70 ppb
2019-05-20354702230011.30 ppb
2019-05-20354702230021.70 ppb
2019-08-1935492402002ND
2019-08-19354924020011.10 ppb
2019-08-19354924020011.10 ppb
2019-08-1935492402002ND
2019-11-1935514073002ND
2019-11-19355140730011.30 ppb
2019-11-19355140730011.30 ppb
2019-11-1935514073002ND
2020-02-18355324520010.930 ppb
2020-02-1835532452002ND
2020-05-20355519620011.20 ppb
2020-05-2035551962002ND
2020-08-1835572266001ND
2020-08-1835572266002ND
2020-11-0935591927001ND
2020-11-0935591927002ND
2021-03-23356212950011.10 ppb
2021-03-2335621295002ND
2021-05-17356349810010.930 ppb
2021-05-1735634981002ND
2021-08-1235655891002ND
2021-08-12356558910011.20 ppb
2021-11-2935680821002ND
2021-11-2935680821001ND
2022-02-14356982700010.950 ppb
2022-02-14356982700021.000 ppb
2022-05-0935718285001ND
2022-05-09357182850020.990 ppb
2022-08-0835739534002ND
2022-08-08357395340010.960 ppb
2022-11-0735758874002ND
2022-11-0735758874001ND
2023-02-13357806960011.10 ppb
2023-02-1335780696002ND
2023-05-08357996220010.940 ppb
2023-05-08357996220021.10 ppb
2023-08-0735820247001ND
2023-08-0735820247002ND
2023-11-1335842461001ND
2023-11-1335842461002ND