Know Your Environment. Protect Your Health.

Monochloroacetic acid

Nashville Rural Water Association

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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.73 ppb84ND - 5.10 ppb
20191.09 ppb104ND - 3.20 ppb
20201.32 ppb103ND - 5.50 ppb
20211.09 ppb81ND - 8.70 ppb
20220.424 ppb81ND - 3.39 ppb
20231.19 ppb83ND - 4.54 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
2018-02-1318046001401ND
2018-02-1318046000801ND
2018-05-15181370043013.30 ppb
2018-05-15181370048012.70 ppb
2018-08-1418228003601ND
2018-08-1418228003201ND
2018-11-13183190071012.70 ppb
2018-11-13183190068015.10 ppb
2019-02-1219045007401ND
2019-02-1219045007701ND
2019-05-0719129004701ND
2019-05-0719129004601ND
2019-08-13192270029013.20 ppb
2019-09-1619262000301ND
2019-11-04193110012013.10 ppb
2019-11-04193110015012.00 ppb
2019-12-1019345005401ND
2019-12-10193450053012.60 ppb
2020-02-0320037000601ND
2020-02-0320037000301ND
2020-05-05201280068012.90 ppb
2020-05-0520128006501ND
2020-08-1120226004701ND
2020-08-12202260044014.80 ppb
2020-10-0120275003401ND
2020-11-0420310004901ND
2020-11-04203100046015.50 ppb
2020-12-0120338008901ND
2021-01-2621028009601ND
2021-01-2621028009501ND
2021-05-11211330076018.70 ppb
2021-05-1121133007201ND
2021-08-0421217002701ND
2021-08-0421217003001ND
2021-10-2621300002501ND
2021-10-2621300002701ND
2022-01-3122033011001ND
2022-01-3122033011101ND
2022-05-03O197626-HAA-1ND
2022-05-03O197625-HAA-1ND
2022-08-03O200312-HAA-13.39 ppb
2022-08-03O200313-HAA-1ND
2022-10-25O203135-HAA-1ND
2022-10-25O203136-HAA-1ND
2023-02-08O206086-HAA-1ND
2023-02-08O206085-HAA-1ND
2023-05-01O208746-HAA-12.97 ppb
2023-05-01O208747-HAA-1ND
2023-07-26O210970-HAA-14.54 ppb
2023-07-26O210971-HAA-1ND
2023-10-31O213551-HAA-1ND
2023-10-31O213550-HAA-12.00 ppb