Know Your Environment. Protect Your Health.

Monochloroacetic acid

Raleigh County Psd Clear Creek

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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.240 ppb41ND - 0.960 ppb
2020ND50ND
202117.3 ppb43ND - 30.0 ppb
202245.2 ppb4415.5 ppb - 84.7 ppb
202358.1 ppb4440.8 ppb - 77.8 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
2018-02-0135372654001ND
2018-05-0235390241001ND
2018-08-0335409181001ND
2018-11-1635432339001ND
2019-02-06354471140010.960 ppb
2019-05-0335466558001ND
2019-08-0535487764001ND
2019-11-0435509918001ND
2020-02-0335628454001ND
2020-02-0335628454001ND
2020-05-0835548848001ND
2020-08-0635568761001ND
2020-11-0235589453001ND
2021-02-0188836000119.9 ppb
2021-05-0590637000119.1 ppb
2021-08-0292501000130.0 ppb
2021-11-0235677163001ND
2022-02-0296295000115.5 ppb
2022-05-0298215000119.1 ppb
2022-08-22100559000161.6 ppb
2022-11-01102297000184.7 ppb
2023-02-02104153000177.8 ppb
2023-05-01106012000140.8 ppb
2023-08-10108587000165.9 ppb
2023-11-02110118000147.7 ppb