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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Midland County Water District No. 1

NOTE: Midland County Water District No. 1 purchases water from City of Midland which is required to test for monochloroacetic acid. Sample information shown below was taken by 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013ND30ND
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

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

NOTE: Midland County Water District No. 1 purchases water from City of Midland which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Midland.

Date Lab ID Result
2012-01-10LLE14344ND
2012-04-27LLE25539ND
2012-07-27LLE39640ND
2013-07-31LLE87761ND
2013-07-31LLE87760ND
2013-10-02LLE97007ND
2013-10-02LLE97006ND
2014-01-10LLF07153ND
2014-01-10LLF07154ND
2014-02-07LLF09177ND
2014-02-07LLF09176ND
2014-02-07LLF09175ND
2014-02-14LLF09716ND
2014-04-11LLF14729ND
2014-04-11LLF14728ND
2014-07-11LLF27058ND
2014-07-11LLF27059ND
2014-10-13LLF43325ND
2014-10-13LLF43326ND