Know Your Environment. Protect Your Health.

Monochloroacetic acid

Olden 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
20185.11 ppb881.70 ppb - 9.50 ppb
20192.06 ppb84ND - 5.00 ppb
20200.550 ppb82ND - 2.30 ppb
20210.250 ppb81ND - 2.00 ppb
20220.175 ppb81ND - 1.40 ppb
20231.29 ppb84ND - 3.60 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
2018-02-21Q18075720025.40 ppb
2018-02-21Q18075720015.20 ppb
2018-05-23Q18209840029.50 ppb
2018-05-23Q18209840019.40 ppb
2018-08-28Q18347140014.20 ppb
2018-08-28Q18347140023.20 ppb
2018-11-27Q18483050021.70 ppb
2018-11-27Q18483050032.30 ppb
2019-01-16Q19028090014.80 ppb
2019-01-16Q19028090023.60 ppb
2019-05-22Q19281560025.00 ppb
2019-05-22Q19281560033.10 ppb
2019-09-17Q1966608002ND
2019-09-17Q1966608001ND
2019-12-17Q1980356001ND
2019-12-17Q1980356002ND
2020-03-05Q20084420012.10 ppb
2020-03-05Q20084420022.30 ppb
2020-06-01Q2021401001ND
2020-06-01Q2021401002ND
2020-09-08Q2035408001ND
2020-09-08Q2035408002ND
2020-11-23Q2046847001ND
2020-11-23Q2046847002ND
2021-03-01Q2105094002ND
2021-03-01Q21050940032.00 ppb
2021-05-19Q2113086001ND
2021-05-19Q2113086002ND
2021-09-20Q2125649001ND
2021-09-20Q2125649002ND
2021-11-23Q2132723001ND
2021-11-23Q2132723002ND
2022-03-01Q2206873001ND
2022-03-01Q22068730021.40 ppb
2022-05-10Q2213906001ND
2022-05-10Q2213906002ND
2022-08-03Q2222261002ND
2022-08-03Q2222261003ND
2022-10-18Q2231743001ND
2022-10-18Q2231743002ND
2023-01-12Q23019680013.60 ppb
2023-01-12Q23019680021.60 ppb
2023-04-04Q2312307002ND
2023-04-04Q2312307003ND
2023-07-25Q23295140012.70 ppb
2023-07-25Q23295140022.40 ppb
2023-10-09Q2342887001ND
2023-10-09Q2342887002ND