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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Midland

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.

MORE ABOUT THIS CONTAMINANT

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND120ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND120ND
20191.000 ppb84ND - 2.00 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against system toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-10LLF07154ND
2014-01-10LLF07153ND
2014-02-07LLF09175ND
2014-02-07LLF09176ND
2014-02-07LLF09177ND
2014-02-14LLF09716ND
2014-04-11LLF14729ND
2014-04-11LLF14728ND
2014-07-11LLF27059ND
2014-07-11LLF27058ND
2014-10-13LLF43325ND
2014-10-13LLF43326ND
2018-01-10LLH60707ND
2018-01-10LLH60706ND
2018-04-12LLH75327ND
2018-04-12LLH75326ND
2018-07-11LLH92525ND
2018-07-11LLH92524ND
2018-10-03LLI10054ND
2018-10-03LLI10055ND
2018-10-24LLI12834ND
2018-10-24LLI12837ND
2018-10-24LLI12835ND
2018-10-24LLI12836ND
2019-01-09LLI21906ND
2019-01-09LLI21905ND
2019-04-09LLI32630ND
2019-04-09LLI32631ND
2019-07-10LLI490662.00 ppb
2019-07-10LLI490652.00 ppb
2019-10-09LLI702042.00 ppb
2019-10-09LLI702032.00 ppb