Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of West

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
20180.375 ppb81ND - 3.00 ppb
2019ND80ND
20200.925 ppb81ND - 7.40 ppb
2021ND80ND
20220.275 ppb81ND - 2.20 ppb
20231.15 ppb82ND - 6.70 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
2018-02-13AE13520ND
2018-02-13AE13519ND
2018-05-02AE24777ND
2018-05-02AE24755ND
2018-07-17AE33564ND
2018-07-17AE33566ND
2018-10-11AE43219ND
2018-10-11AE432253.00 ppb
2019-03-12AE58023ND
2019-03-12AE58030ND
2019-04-18AE62944ND
2019-04-18AE62945ND
2019-08-12AE77973ND
2019-08-12AE77971ND
2019-11-04AE88287ND
2019-11-04AE88290ND
2020-02-18AE98659ND
2020-02-18AE986607.40 ppb
2020-05-05AF09306ND
2020-05-05AF09307ND
2020-08-25AF25006ND
2020-08-25AF25007ND
2020-12-02AF36224ND
2020-12-02AF36225ND
2021-03-16AF47044ND
2021-03-16AF47045ND
2021-05-11AF53213ND
2021-06-01AF56032ND
2021-08-10AF65570ND
2021-08-10AF65572ND
2021-10-26AF74673ND
2021-10-26AF74675ND
2022-02-17AF85482ND
2022-02-17AF85484ND
2022-06-02AF99309ND
2022-06-02AF99312ND
2022-08-10AG08507ND
2022-08-10AG085082.20 ppb
2022-11-22AG19588ND
2022-11-22AG19613ND
2023-03-15AG33076ND
2023-03-15AG33077ND
2023-05-18AG41005ND
2023-05-18AG410066.70 ppb
2023-08-22AG53406ND
2023-08-22AG53408ND
2023-10-05AG586032.50 ppb
2023-10-05AG58605ND