Know Your Environment. Protect Your Health.

Monochloroacetic acid

Dardanelle 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
2018ND80ND
2019ND80ND
2020ND80ND
2021ND80ND
2022ND80ND
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
2018-02-1318046004401ND
2018-02-1318046004301ND
2018-05-1418137002901ND
2018-05-1418137003001ND
2018-08-1418228008201ND
2018-08-1418228008101ND
2018-11-1218319011001ND
2018-11-1218319010901ND
2019-02-1819052002101ND
2019-02-1819052002001ND
2019-05-1319136006901ND
2019-05-1319136005601ND
2019-08-1219227008101ND
2019-08-1219227008001ND
2019-11-0519311010001ND
2019-11-0519311009901ND
2020-02-1120043002501ND
2020-02-1120043002401ND
2020-06-2920183003901ND
2020-06-2920183004001ND
2020-08-1020226010101ND
2020-08-1020226010201ND
2020-11-1120317009201ND
2020-11-1120317009301ND
2021-02-0821041000701ND
2021-02-0821041000601ND
2021-05-1021133000201ND
2021-05-1021133000101ND
2021-08-0921224000401ND
2021-08-0921224000501ND
2021-11-0821314003101ND
2021-11-0821314003001ND
2022-03-07O196238-HAA-1ND
2022-03-07O196220-HAA-1ND
2022-05-09O198081-HAA-1ND
2022-05-09O198082-HAA-1ND
2022-08-10O200808-HAA-1ND
2022-08-10O200807-HAA-1ND
2022-10-31O203491-HAA-1ND
2022-10-31O203490-HAA-1ND
2023-02-13O206419-HAA-1ND
2023-02-13O206420-HAA-1ND
2023-05-08O208903-HAA-1ND
2023-05-08O208902-HAA-1ND
2023-08-07O211420-HAA-1ND
2023-08-07O211421-HAA-1ND
2023-11-13O213902-HAA-1ND
2023-11-13O213901-HAA-1ND