Know Your Environment. Protect Your Health.

Monochloroacetic acid

Wilson County Rural Water District 12

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20191.05 ppb41ND - 4.20 ppb
20203.30 ppb42ND - 11.0 ppb
20211.000 ppb41ND - 4.00 ppb
20221.90 ppb43ND - 2.80 ppb
20230.925 ppb41ND - 3.70 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
2018-02-25908190ND
2018-05-20973333ND
2018-08-211030526ND
2018-11-121077217ND
2019-01-281111090ND
2019-05-1911578454.20 ppb
2019-08-191226248ND
2019-11-121274817ND
2020-02-171327515ND
2020-05-171379274ND
2020-08-17149788811.0 ppb
2020-12-0817053602.20 ppb
2021-02-231779986ND
2021-05-2318458824.00 ppb
2021-11-292041607ND
2021-11-292041606ND
2022-02-2222006352.80 ppb
2022-05-1722608142.60 ppb
2022-08-232341758ND
2022-11-2824048152.20 ppb
2023-02-192454081ND
2023-05-2325057013.70 ppb
2023-08-202561451ND
2023-11-132610695ND