Know Your Environment. Protect Your Health.

Monochloroacetic acid

Town of Ferriday Water 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.

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20196.50 ppb1614ND - 21.1 ppb
20202.05 ppb106ND - 4.00 ppb
20211.79 ppb86ND - 3.90 ppb
20221.95 ppb881.10 ppb - 2.60 ppb
20231.75 ppb86ND - 3.00 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
2018-02-2035375729001ND
2018-02-2035375729002ND
2018-02-2035375729002ND
2018-02-2035375729001ND
2018-05-0935391497002ND
2018-05-0935391497001ND
2018-05-0935391497002ND
2018-05-0935391497001ND
2018-08-0135408243001ND
2018-08-0135408243002ND
2018-08-0135408243001ND
2018-08-0135408243002ND
2018-11-2735433612001ND
2018-11-2735433612001ND
2018-11-2735433612002ND
2018-11-2735433612002ND
2019-02-133544850100121.1 ppb
2019-02-133544850100219.0 ppb
2019-02-133544850100121.1 ppb
2019-02-133544850100219.0 ppb
2019-05-07354677150012.20 ppb
2019-05-07354677150022.40 ppb
2019-05-07354677150012.20 ppb
2019-05-07354677150022.40 ppb
2019-08-2135492680002ND
2019-08-21354926800011.40 ppb
2019-08-21354926800011.40 ppb
2019-08-2135492680002ND
2019-11-13355126770012.50 ppb
2019-11-13355126770023.40 ppb
2019-11-13355126770023.40 ppb
2019-11-13355126770012.50 ppb
2020-02-0335528432002ND
2020-02-0335528432001ND
2020-05-06355486960013.00 ppb
2020-05-06355486960024.00 ppb
2020-05-27355531250013.50 ppb
2020-05-27355531250023.70 ppb
2020-08-0435567949001ND
2020-08-0435567949002ND
2020-11-18355937980023.40 ppb
2020-11-18355937980012.90 ppb
2021-02-03356098560011.80 ppb
2021-02-03356098560022.10 ppb
2021-05-12356335910013.50 ppb
2021-05-12356335910023.90 ppb
2021-08-1035655900001ND
2021-08-1035655900002ND
2021-11-03356763960011.60 ppb
2021-11-03356763960021.40 ppb
2022-02-22356992630022.60 ppb
2022-02-22356992630011.70 ppb
2022-05-12357174650021.80 ppb
2022-05-12357174650011.10 ppb
2022-08-10357390880012.10 ppb
2022-08-10357390880021.40 ppb
2022-11-02357577110012.60 ppb
2022-11-02357577110022.30 ppb
2023-02-0135776767001ND
2023-02-0135776767002ND
2023-05-10357992680012.50 ppb
2023-05-10357992680022.50 ppb
2023-08-28358247060013.00 ppb
2023-08-28358247060022.90 ppb
2023-11-02358389640011.70 ppb
2023-11-02358389640021.40 ppb