Know Your Environment. Protect Your Health.

Monochloroacetic acid

Fcmtc Waterworks

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
20180.463 ppb81ND - 3.70 ppb
20190.288 ppb81ND - 2.30 ppb
20201.13 ppb84ND - 2.90 ppb
20210.738 ppb82ND - 3.80 ppb
20221.63 ppb84ND - 3.59 ppb
2023ND80ND

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
2018-02-0618040004101ND
2018-02-0618040004001ND
2018-04-30181230012013.70 ppb
2018-04-3018123001101ND
2018-08-0818221005701ND
2018-08-0818221005601ND
2018-10-2918305008101ND
2018-10-2918305008001ND
2019-01-2819031002901ND
2019-01-2819031003001ND
2019-04-2219115000701ND
2019-04-2219115000801ND
2019-07-2219206005201ND
2019-07-22192060051012.30 ppb
2019-10-2119297001701ND
2019-10-2119297001801ND
2020-01-2720030000501ND
2020-01-2720030000601ND
2020-04-29201210029012.90 ppb
2020-04-29201210028012.00 ppb
2020-07-2820212012601ND
2020-07-2820212012501ND
2020-10-28203030032012.10 ppb
2020-10-28203030033012.00 ppb
2021-01-2621028002601ND
2021-01-2621028002501ND
2021-04-2821119003001ND
2021-04-28211190029013.80 ppb
2021-07-27212100015012.10 ppb
2021-07-2721210001601ND
2021-10-2521301004501ND
2021-10-2521301002001ND
2022-02-28O195987-HAA-13.02 ppb
2022-02-28O195988-HAA-13.30 ppb
2022-04-25O197303-HAA-1ND
2022-04-25O197302-HAA-1ND
2022-07-25O200157-HAA-1ND
2022-07-25O200156-HAA-1ND
2022-10-24O203083-HAA-13.10 ppb
2022-10-24O203082-HAA-13.59 ppb
2023-01-31O205528-HAA-1ND
2023-01-31O205529-HAA-1ND
2023-04-24O208261-HAA-1ND
2023-04-24O208262-HAA-1ND
2023-07-24O210959-HAA-1ND
2023-07-24O210958-HAA-1ND
2023-10-23O213245-HAA-1ND
2023-10-23O213244-HAA-1ND