Know Your Environment. Protect Your Health.

Monochloroacetic acid

Cheniere Drew North 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.

 

62

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND120ND
2020ND80ND
2021ND80ND
20220.150 ppb142ND - 1.20 ppb
2023ND160ND

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
2018-05-1635393224001ND
2018-05-1635393224002ND
2018-05-1635393224002ND
2018-05-1635393224001ND
2019-05-1535469318001ND
2019-05-1535469318002ND
2019-05-1535469318001ND
2019-05-1535469318002ND
2019-08-0235487033001ND
2019-08-0235487033002ND
2019-08-0235487033001ND
2019-08-0235487033002ND
2019-11-1935514089002ND
2019-11-1935514089001ND
2019-11-1935514089002ND
2019-11-1935514089001ND
2020-02-1335531198001ND
2020-02-1335531198002ND
2020-05-0735548834001ND
2020-05-0735548834002ND
2020-08-0735569063001ND
2020-08-0735569063002ND
2020-11-0535590499001ND
2020-11-0535590499002ND
2021-02-1135611547002ND
2021-02-1135611547001ND
2021-05-0635631669001ND
2021-05-0635631669002ND
2021-08-0535653690002ND
2021-08-0535653690001ND
2021-11-1235677360002ND
2021-11-1235677360001ND
2022-02-1135696652001ND
2022-02-1135696652002ND
2022-05-1335718282001ND
2022-05-1335718282002ND
2022-05-1335718282003ND
2022-05-1335718282004ND
2022-08-1635740766003ND
2022-08-16357407660040.900 ppb
2022-08-1635740766002ND
2022-08-1635740766001ND
2022-11-07357588660031.20 ppb
2022-11-0735758866002ND
2022-11-0735758866001ND
2022-11-0735758866004ND
2023-02-0935778896003ND
2023-02-0935778896004ND
2023-02-0935778896002ND
2023-02-0935778896001ND
2023-05-1635800932004ND
2023-05-1635800932003ND
2023-05-1635800932002ND
2023-05-1635800932001ND
2023-08-1035819872001ND
2023-08-1035819872002ND
2023-08-1035819872003ND
2023-08-1035819872004ND
2023-11-0835840544001ND
2023-11-0835840544002ND
2023-11-0835840544003ND
2023-11-0835840544004ND