Know Your Environment. Protect Your Health.

Monochloroacetic acid

Poetry 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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.60 ppb43ND - 2.80 ppb
20190.950 ppb42ND - 2.10 ppb
20200.950 ppb42ND - 2.00 ppb
20211.45 ppb43ND - 2.50 ppb
2022ND40ND
20231.88 ppb551.30 ppb - 2.70 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
2018-02-05Q1804279001ND
2018-05-09Q18191190012.40 ppb
2018-08-28Q18344330021.20 ppb
2018-11-27Q18479940012.80 ppb
2019-01-24Q1903528002ND
2019-05-01Q19180170012.10 ppb
2019-09-26Q1969143001ND
2019-11-25Q19779920011.70 ppb
2020-02-04Q2004533002ND
2020-04-22Q20160880011.80 ppb
2020-08-03Q2030169001ND
2020-12-02Q20480670012.00 ppb
2021-02-23Q21045870011.60 ppb
2021-06-10Q21152320012.50 ppb
2021-08-09Q21209310011.70 ppb
2021-11-18Q2132310001ND
2022-01-27Q2203348001ND
2022-06-16Q2216833001ND
2022-09-06Q2226282001ND
2022-12-06Q2236729002ND
2023-02-23Q23076370021.50 ppb
2023-06-19Q23230640012.30 ppb
2023-08-18Q23351690012.70 ppb
2023-11-14Q23487060011.30 ppb
2023-11-14Q23487060021.60 ppb