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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Wasilla Water System

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

 

85

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
2014ND110ND
2015ND150ND
2016ND150ND
2017ND160ND
2018ND160ND
2019ND120ND

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
2014-02-14DB*A1402266-02AND
2014-02-14DB*A1402266-01BND
2014-02-14DB*A1402266-03BND
2014-07-29DB*A1407582-01BND
2014-08-18DB*A1408334-01BND
2014-09-09DB*A1409174-01BND
2014-09-09DB*A1409174-02BND
2014-10-09DH*3121763ND
2014-11-18DH*A1411231-01BND
2014-12-17DB*A1412305-01BND
2014-12-17DB*A1412305-02BND
2015-01-07DH*A1501117-01BND
2015-02-10DH*3189796ND
2015-03-18DH*280-66871-1ND
2015-03-18DH*280-66871-2ND
2015-05-12DH*280-69216-1ND
2015-06-16DH*280-70999-1ND
2015-06-16DH*280-70999-2ND
2015-07-14DH*3282937ND
2015-08-25DH*3310516ND
2015-09-14DH*440-121356-1ND
2015-09-14DH*440-121356-2ND
2015-10-21DH*3346210ND
2015-11-18DB*3362250ND
2015-12-09DH*280-77984-2ND
2015-12-09DH*280-77984-1ND
2016-01-12DH*280-78930-1ND
2016-02-08DH*3402521ND
2016-03-08DH*280-80703-1ND
2016-03-08DH*280-80703-2ND
2016-04-13DH*280-82048-1ND
2016-05-11DB*280-83209-1ND
2016-06-13DB*280-84771-2ND
2016-06-13DH*280-84771-1ND
2016-07-12DH*280-85694-1ND
2016-08-09DH*280-86853-1ND
2016-09-12DH*280-88315-1ND
2016-09-12DH*280-88315-2ND
2016-10-11DH*280-89725-1ND
2016-12-12DH*440-169448-1ND
2016-12-13DH*440-170538-1ND
2017-01-09DH*440-172900-1ND
2017-02-15DH*440-177377-1ND
2017-03-07DH*440-179422-2ND
2017-03-07DH*440-179422-1ND
2017-04-11DH*3674493ND
2017-05-10DH*3694962ND
2017-06-13DH*3715277ND
2017-06-13DH*3715275ND
2017-07-12DH*3733198ND
2017-08-18DH*3763852ND
2017-09-12DH*3779373ND
2017-09-12DH*3779371ND
2017-10-11DH*3799322ND
2017-11-07DH*3818646ND
2017-12-13DH*3838894ND
2017-12-13DH*3838896ND
2018-01-09DH*3853113ND
2018-02-12DH*3872440ND
2018-03-12DH*3890930ND
2018-03-19DT*3895371ND
2018-04-09DH*3910803ND
2018-05-09DH*3937334ND
2018-06-18DH*680-154304-2ND
2018-06-18DH*680-154304-1ND
2018-07-24DH*680-155838-1ND
2018-08-20DT*680-157032-1ND
2018-09-19DH*680-158249-1ND
2018-09-19DH*680-158249-2ND
2018-10-10DH*680-159174-1ND
2018-11-13DH*680-160886-1ND
2018-12-04DH*680-161844-1ND
2018-12-04DH*680-161844-2ND
2019-01-234185020ND
2019-02-204208468ND
2019-03-13X680-166152-1ND
2019-03-14X680-166152-2ND
2019-04-23680-168344-1ND
2019-05-154301615ND
2019-07-15680-171827-2ND
2019-07-16680-171827-1ND
2019-07-184362928ND
2019-07-184362930ND
2019-08-15680-173204-1ND
2019-09-13680-174254-1ND