Know Your Environment. Protect Your Health.

Monochloroacetic acid

Mamou Road Water District Inc.

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.25 ppb1612ND - 2.80 ppb
20191.31 ppb1612ND - 2.70 ppb
20200.913 ppb84ND - 2.30 ppb
20210.865 ppb86ND - 1.60 ppb
20220.125 ppb81ND - 1.000 ppb
20230.246 ppb82ND - 1.000 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
2018-01-1235368402001ND
2018-01-12353684020020.680 ppb
2018-01-12353684020020.680 ppb
2018-01-1235368402001ND
2018-04-1235386035002ND
2018-04-12353860350011.70 ppb
2018-04-1235386035002ND
2018-04-12353860350011.70 ppb
2018-07-19354057900011.60 ppb
2018-07-19354057900022.80 ppb
2018-07-19354057900011.60 ppb
2018-07-19354057900022.80 ppb
2018-10-18354254660011.20 ppb
2018-10-18354254660011.20 ppb
2018-10-18354254660022.00 ppb
2018-10-18354254660022.00 ppb
2019-01-09354418680011.90 ppb
2019-01-09354418680022.70 ppb
2019-01-09354418680011.90 ppb
2019-01-09354418680022.70 ppb
2019-04-2535464422001ND
2019-04-2535464422002ND
2019-04-2535464422001ND
2019-04-2535464422002ND
2019-07-17354835830021.50 ppb
2019-07-17354835830011.70 ppb
2019-07-17354835830011.70 ppb
2019-07-17354835830021.50 ppb
2019-10-18355062660011.30 ppb
2019-10-18355062660021.40 ppb
2019-10-18355062660021.40 ppb
2019-10-18355062660011.30 ppb
2020-01-02355219150021.50 ppb
2020-01-02355219150011.90 ppb
2020-04-0135541376001ND
2020-04-0135541376002ND
2020-07-2935566981001ND
2020-07-2935566981002ND
2020-10-22355872440012.30 ppb
2020-10-22355872440021.60 ppb
2021-01-07356034870011.30 ppb
2021-01-07356034870021.60 ppb
2021-04-2935629926001ND
2021-04-29356299260021.10 ppb
2021-07-06356461370010.920 ppb
2021-07-06356461370021.000 ppb
2021-10-1835672241001ND
2021-10-18356722410021.000 ppb
2022-01-1135690767002ND
2022-01-1135690767001ND
2022-04-2135712587002ND
2022-04-2135712587001ND
2022-07-1235731996001ND
2022-07-1235731996002ND
2022-10-0435751517001ND
2022-10-04357515170021.000 ppb
2023-01-11357728060011.000 ppb
2023-01-11357728060020.970 ppb
2023-04-1835793710001ND
2023-04-1835793710002ND
2023-07-1035812358001ND
2023-07-1035812358002ND
2023-10-1135834667001ND
2023-10-1135834667002ND