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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Yuba City

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

 

106

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
2014N/A00N/A
2015ND10ND
2016ND30ND
2017ND300ND
20180.314 ppb364ND - 3.20 ppb
2019ND360ND

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
2015-07-079590-006-0813ND
2016-07-129590-006-0655ND
2016-08-039590-006-0720ND
2016-08-169590-006-1000ND
2017-02-019590-006-0900ND
2017-03-019590-006-0820ND
2017-04-049590-006-0725ND
2017-04-049590-013-0921ND
2017-04-049590-014-0748ND
2017-04-049590-015-0826ND
2017-04-049590-016-0840ND
2017-04-049590-017-0850ND
2017-04-049590-018-0800ND
2017-04-049590-019-0814ND
2017-04-049590-020-0910ND
2017-05-029590-006-0745ND
2017-07-069590-006-0730ND
2017-07-069590-013-1000ND
2017-07-069590-014-0820ND
2017-07-069590-015-0900ND
2017-07-069590-016-0925ND
2017-07-069590-017-0945ND
2017-07-069590-018-0835ND
2017-07-069590-019-0915ND
2017-07-069590-020-0935ND
2017-10-109590-006-0730ND
2017-10-109590-013-1000ND
2017-10-109590-014-0800ND
2017-10-109590-015-0843ND
2017-10-109590-016-0915ND
2017-10-109590-017-0935ND
2017-10-109590-018-0825ND
2017-10-109590-019-0900ND
2017-10-109590-020-0927ND
2018-01-179590-006-0745ND
2018-01-179590-013-1015ND
2018-01-179590-014-0830ND
2018-01-179590-015-0915ND
2018-01-179590-016-0940ND
2018-01-179590-017-1010ND
2018-01-179590-018-0850ND
2018-01-179590-019-0930ND
2018-01-179590-020-0950ND
2018-04-049590-006-0920ND
2018-04-049590-013-11252.10 ppb
2018-04-049590-014-0940ND
2018-04-049590-015-10203.20 ppb
2018-04-049590-016-1055ND
2018-04-049590-017-1115ND
2018-04-049590-018-0950ND
2018-04-049590-019-10402.90 ppb
2018-04-049590-020-11053.10 ppb
2018-07-109590-006-0750ND
2018-07-109590-013-1005ND
2018-07-109590-014-0823ND
2018-07-109590-015-0900ND
2018-07-109590-016-0933ND
2018-07-109590-017-0952ND
2018-07-109590-018-0840ND
2018-07-109590-019-0917ND
2018-07-109590-020-0942ND
2018-10-099590-006-0810ND
2018-10-099590-013-1030ND
2018-10-099590-014-0855ND
2018-10-099590-015-0935ND
2018-10-099590-016-1005ND
2018-10-099590-018-0910ND
2018-10-099590-019-0950ND
2018-10-099590-020-1010ND
2018-10-319590-017-1430ND
2019-01-109590-006-0755ND
2019-01-109590-013-1025ND
2019-01-109590-014-0850ND
2019-01-109590-015-0925ND
2019-01-109590-016-0955ND
2019-01-109590-017-1015ND
2019-01-109590-018-0900ND
2019-01-109590-019-0945ND
2019-01-109590-020-1005ND
2019-04-039590-006-0741ND
2019-04-039590-013-0931ND
2019-04-039590-014-0814ND
2019-04-039590-015-0851ND
2019-04-039590-016-0905ND
2019-04-039590-017-0921ND
2019-04-039590-018-0825ND
2019-04-039590-019-0837ND
2019-04-039590-020-0912ND
2019-07-019590-006-0750ND
2019-07-019590-013-1020ND
2019-07-019590-014-0850ND
2019-07-019590-015-0930ND
2019-07-019590-016-0955ND
2019-07-019590-017-1010ND
2019-07-019590-018-0905ND
2019-07-019590-019-0940ND
2019-07-019590-020-1000ND
2019-10-029590-006-0830ND
2019-10-029590-013-1040ND
2019-10-029590-014-0910ND
2019-10-029590-015-0955ND
2019-10-029590-016-1015ND
2019-10-029590-017-1030ND
2019-10-029590-018-0925ND
2019-10-029590-019-1005ND
2019-10-029590-020-0640ND