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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Talty Special Utility District

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

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
20151.69 ppb83ND - 5.80 ppb
2016ND80ND
2017ND80ND
20182.05 ppb86ND - 4.40 ppb
20191.98 ppb86ND - 3.50 ppb

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
2014-06-27Q1424512002ND
2014-06-27Q1424512001ND
2014-08-22Q1439083002ND
2014-08-22Q1439083001ND
2014-12-12Q1460004004ND
2014-12-12Q1460004003ND
2015-02-20Q1507171002ND
2015-02-20Q15071710012.00 ppb
2015-05-13Q15177330015.70 ppb
2015-05-13Q15177330025.80 ppb
2015-09-04Q1534797002ND
2015-09-04Q1534797001ND
2015-11-18Q1545596001ND
2015-11-18Q1545596002ND
2016-02-10Q1606289002ND
2016-02-10Q1606289001ND
2016-05-25Q1620795003ND
2016-05-25Q1620795002ND
2016-09-14Q1637633003ND
2016-09-14Q1637633002ND
2016-11-10Q1649072002ND
2016-11-10Q1649072001ND
2017-02-21Q1707204002ND
2017-02-21Q1707204001ND
2017-05-04Q1718543001ND
2017-05-04Q1718543002ND
2017-07-31Q1731693001ND
2017-07-31Q1731693002ND
2017-11-06Q1756709002ND
2017-11-06Q1756709004ND
2018-02-06Q1804645002ND
2018-02-06Q1804645001ND
2018-04-26Q18170550042.40 ppb
2018-04-26Q18170550022.70 ppb
2018-08-08Q18314810021.80 ppb
2018-08-08Q18314810014.40 ppb
2018-11-08Q18448860012.30 ppb
2018-11-08Q18448860022.80 ppb
2019-01-10Q19014750032.60 ppb
2019-01-10Q19014750022.30 ppb
2019-04-29Q19169310023.50 ppb
2019-04-29Q19169310013.30 ppb
2019-08-01Q19504330022.20 ppb
2019-08-01Q19504330011.90 ppb
2019-10-15Q1972666001ND
2019-10-15Q1972666002ND