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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Bethany Beach Water Department

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

 

55

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.189 ppb111ND - 2.08 ppb
20150.169 ppb121ND - 2.03 ppb
2016ND110ND
20170.629 ppb72ND - 2.30 ppb
20181.19 ppb85ND - 2.73 ppb
2019ND60ND

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
2014-02-11L4942055-3 HAA5ND
2014-02-11L4942055-2 HAA5ND
2014-02-11L4942055-1 HAA5ND
2014-05-08L5050677-3-HAA5ND
2014-05-08L5050677-2-HAA5ND
2014-05-08L5050677-1-HAA5ND
2014-08-11L5201513-3 HAA5ND
2014-08-11L5201513-1 HAA5ND
2014-11-10L5317540-3 HAA5ND
2014-11-10L5317540-2 HAA52.08 ppb
2014-11-10L5317540-1 HAA5ND
2015-02-20L5461172-1ND
2015-02-20L5461172-3ND
2015-02-20L5461172-5ND
2015-05-11L5581074-3 HAA52.03 ppb
2015-05-11L5581074-2 HAA5ND
2015-05-11L5581074-1 HAA5ND
2015-08-10L5758077-3 HAA5ND
2015-08-10L5758077-2 HHA5ND
2015-08-10L5758077-1 HAA5ND
2015-11-13L5912222-3 HAA5ND
2015-11-13L5912222-2 HAA5ND
2015-11-13L5912222-1 HAA5ND
2016-02-08L6064352-3 HAA5ND
2016-02-08L6064352-2 HAA5ND
2016-02-08L6064352-1 HAA5ND
2016-05-13L6248503-2 HAA5ND
2016-05-13L6248503-3 HAA5ND
2016-05-13L6248503-1 HAA5ND
2016-08-08L6412894-2 HAA5ND
2016-08-08L6412894-1 HAA5ND
2016-10-11L6507095-1 HAA5ND
2016-11-14L6549242-2 HAA5ND
2016-11-14L6549242-1 HAA5ND
2017-02-13L6677115-1 HAA52.30 ppb
2017-05-09L6798455-2 HAA5ND
2017-05-09L6798455-1 HAA5ND
2017-08-08L6933494-2 HAA5ND
2017-08-08L6933494-1 HAA5ND
2017-11-13L6970427-1 HAA52.10 ppb
2017-11-13L6970427-2 HAA5ND
2018-02-081803520-02 HAA52.25 ppb
2018-02-081803520-01 HAA52.73 ppb
2018-05-091811184-02 HAA5ND
2018-05-091811184-01 HAA51.22 ppb
2018-08-082331413002 HAA5ND
2018-08-082331413001 HAA5ND
2018-11-131829715-02 HAA51.33 ppb
2018-11-131829715-01 HAA51.95 ppb
2019-05-1430294507002 HAA5ND
2019-05-1430294507001 HAA5ND
2019-08-1230319191002 HAA5ND
2019-08-1230319191001 HAA5ND
2019-11-1230335377003 HAA5ND
2019-11-123033537704 HAA5ND