Know Your Environment. Protect Your Health.

Monochloroacetic acid

The Village of Bald Head Island

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
2018ND40ND
2019ND20ND
20200.714 ppb72ND - 3.00 ppb
20211.50 ppb42ND - 4.00 ppb
2022ND40ND
20233.00 ppb43ND - 6.00 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
2018-03-1937729_18-10813ND
2018-06-2037729_18-24939ND
2018-09-2837729_18-40104ND
2018-12-1837729_18-52587ND
2019-06-1137729_19-23759ND
2019-09-1037729_19-38609ND
2020-03-0437729_20-09323ND
2020-03-0437729_20-093242.00 ppb
2020-06-0937729_20-23641ND
2020-06-0937729_20-236423.00 ppb
2020-09-2337729_20-41556ND
2020-09-2337729_20-41557ND
2020-12-1537729_20-53872ND
2021-03-1637729_21-11157ND
2021-06-2237729_21-254602.00 ppb
2021-09-0937729_21-39341ND
2021-12-2837729_21-573654.00 ppb
2022-03-2937729_22-13568ND
2022-06-1537729_22-27066ND
2022-09-2737729_22-46924ND
2022-12-1437729_22-61072ND
2023-03-1437729_23-12610ND
2023-06-1437729_23-303893.00 ppb
2023-09-2037729_23-532316.00 ppb
2023-12-2037729_23-721253.00 ppb