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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Lake Elizabeth Mutual Water Company

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND80ND
2016ND80ND
2017ND80ND
20183.33 ppb91ND - 30.0 ppb
2019ND80ND

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
2014-01-245867-801-1325ND
2014-02-065867-801-0815ND
2014-02-065867-800-0800ND
2014-05-065867-801-1010ND
2014-05-065867-800-1040ND
2014-08-065867-801-0845ND
2014-08-065867-800-0905ND
2014-11-065867-801-0830ND
2014-11-065867-800-0845ND
2015-02-235867-800-1045ND
2015-02-235867-801-1035ND
2015-05-065867-800-0840ND
2015-05-065867-801-0815ND
2015-08-065867-800-0950ND
2015-08-065867-801-0935ND
2015-11-305867-800-1145ND
2015-11-305867-801-1130ND
2016-02-115867-800-0930ND
2016-02-115867-801-0915ND
2016-05-195867-800-1145ND
2016-05-195867-801-1130ND
2016-08-255867-800-1150ND
2016-08-255867-801-1130ND
2016-11-105867-800-0845ND
2016-11-105867-801-0830ND
2017-02-145867-800-1025ND
2017-02-145867-801-1000ND
2017-05-235867-801-1045ND
2017-05-235867-800-1100ND
2017-08-235867-800-1125ND
2017-08-235867-801-1110ND
2017-11-085867-801-0830ND
2017-11-085867-800-0845ND
2018-02-235867-801-0905ND
2018-02-235867-800-0840ND
2018-05-105867-801-1030ND
2018-05-105867-800-1040ND
2018-08-215867-800-1030ND
2018-08-215867-801-1015ND
2018-11-075867-801-0855ND
2018-11-075867-800-084030.0 ppb
2018-12-125867-800-1035ND
2019-02-125867-801-1020ND
2019-02-125867-800-1035ND
2019-05-085867-801-1048ND
2019-05-085867-800-1055ND
2019-08-125867-801-1155ND
2019-08-125867-800-1140ND
2019-11-065867-801-0845ND
2019-11-065867-800-0928ND