Know Your Environment. Protect Your Health.

Monochloroacetic acid

Iola, City of

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
20181.74 ppb84ND - 6.50 ppb
20194.79 ppb84ND - 24.0 ppb
20201.34 ppb84ND - 3.80 ppb
20213.78 ppb882.80 ppb - 5.60 ppb
20222.68 ppb87ND - 4.40 ppb
20232.81 ppb882.10 ppb - 3.90 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
2018-02-12908046ND
2018-02-12908047ND
2018-05-149708752.50 ppb
2018-05-149708762.50 ppb
2018-08-1310253396.50 ppb
2018-08-1310253402.40 ppb
2018-11-121076313ND
2018-11-121076314ND
2019-02-041114339ND
2019-02-041114340ND
2019-05-0611577789.90 ppb
2019-05-06115777924.0 ppb
2019-08-0512158862.20 ppb
2019-08-0512158872.20 ppb
2019-11-041268776ND
2019-11-041268775ND
2020-02-031318410ND
2020-02-031318412ND
2020-05-1113750672.40 ppb
2020-05-111375066ND
2020-08-101485393ND
2020-08-1014853912.20 ppb
2020-11-0216326632.30 ppb
2020-11-0216326653.80 ppb
2021-02-0117603413.60 ppb
2021-02-0117603423.20 ppb
2021-05-0318294925.60 ppb
2021-05-0318294935.00 ppb
2021-08-0219016432.90 ppb
2021-08-0219016423.60 ppb
2021-11-1520277573.50 ppb
2021-11-2220355462.80 ppb
2022-02-1421948462.70 ppb
2022-02-1421948473.20 ppb
2022-05-0922554234.40 ppb
2022-05-0922554224.10 ppb
2022-08-0823293752.00 ppb
2022-08-082329374ND
2022-11-2124023952.10 ppb
2022-11-2124023962.90 ppb
2023-02-1324502872.50 ppb
2023-02-1324502862.20 ppb
2023-05-0824979082.80 ppb
2023-05-0824979072.10 ppb
2023-08-1425582092.60 ppb
2023-08-1425582102.80 ppb
2023-11-0626074783.60 ppb
2023-11-0626074793.90 ppb