Know Your Environment. Protect Your Health.

Monochloroacetic acid

Tull Water

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
20181.26 ppb84ND - 2.80 ppb
20190.300 ppb81ND - 2.40 ppb
20201.91 ppb85ND - 4.10 ppb
20213.06 ppb882.20 ppb - 5.10 ppb
20220.823 ppb83ND - 2.26 ppb
20230.453 ppb81ND - 3.62 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
2018-01-0218004001701ND
2018-01-0218004001601ND
2018-04-0218095015101ND
2018-04-0218095015201ND
2018-07-03181860156012.30 ppb
2018-07-03181860155012.40 ppb
2018-10-02182770120012.80 ppb
2018-10-02182770121012.60 ppb
2019-01-0919011002002ND
2019-01-0919011001902ND
2019-04-0119094015601ND
2019-04-0119094015501ND
2019-07-0919192013101ND
2019-07-09191920132012.40 ppb
2019-10-0119276007001ND
2019-10-0119276006901ND
2020-01-0620009013301ND
2020-01-0620009013701ND
2020-04-0120094002301ND
2020-04-01200940022012.00 ppb
2020-07-06201910086012.80 ppb
2020-07-06201910087012.80 ppb
2020-10-07202820084014.10 ppb
2020-10-07202820083013.60 ppb
2021-01-04210070010012.50 ppb
2021-01-04210070011012.70 ppb
2021-04-05210980033015.10 ppb
2021-04-05210980034012.80 ppb
2021-07-06211890021012.20 ppb
2021-07-06211890022013.00 ppb
2021-10-12212860001012.40 ppb
2021-10-12212860002013.80 ppb
2022-01-0522005000501ND
2022-01-0522005000601ND
2022-04-04O196414-HAA-1ND
2022-04-04O196413-HAA-1ND
2022-07-04O199243-HAA-12.08 ppb
2022-07-04O199210-HAA-12.26 ppb
2022-10-05O202269-HAA-12.24 ppb
2022-10-05O202270-HAA-1ND
2023-01-03O204787-HAA-1ND
2023-01-03O204786-HAA-1ND
2023-04-04O207282-HAA-1ND
2023-04-04O207281-HAA-1ND
2023-07-04O210151-HAA-13.62 ppb
2023-07-04O210152-HAA-1ND
2023-10-04O212291-HAA-1ND
2023-10-04O212292-HAA-1ND