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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Poughkeepsie Townwide Water 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

 

88

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
20143.56 ppb164ND - 19.0 ppb
20150.188 ppb161ND - 3.00 ppb
2016ND160ND
2017ND150ND
20182.03 ppb124ND - 7.13 ppb
20194.54 ppb138ND - 10.7 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
2014-02-04210956ND
2014-02-04210955ND
2014-02-04210958ND
2014-02-04210957ND
2014-05-06214482ND
2014-05-06214481ND
2014-05-06214484ND
2014-05-06214483ND
2014-08-0521977310.00 ppb
2014-08-0521977410.00 ppb
2014-08-0521977518.0 ppb
2014-08-0521977619.0 ppb
2014-11-04225445ND
2014-11-04225446ND
2014-11-04225447ND
2014-11-04225444ND
2015-02-03229939ND
2015-02-03229941ND
2015-02-03229940ND
2015-02-03229942ND
2015-05-05234837ND
2015-05-05234838ND
2015-05-05234836ND
2015-05-05234835ND
2015-08-04240670ND
2015-08-042406693.00 ppb
2015-08-04240667ND
2015-08-04240668ND
2015-11-03S002652-03ND
2015-11-03S002652-02ND
2015-11-03S002652-01ND
2015-11-03S002652-04ND
2016-02-02S004497-04ND
2016-02-02S004497-01ND
2016-02-02S004497-03ND
2016-02-02S004497-02ND
2016-05-03S006991-02ND
2016-05-03S006991-04ND
2016-05-03S006991-03ND
2016-05-03S006991-01ND
2016-08-02S009823-01ND
2016-08-02S009823-04ND
2016-08-02S009823-03ND
2016-08-02S009823-02ND
2016-11-01S012834-04ND
2016-11-01S012834-02ND
2016-11-01S012834-01ND
2016-11-01S012834-03ND
2017-02-07S015517-03ND
2017-02-07S015517-04ND
2017-02-07S015517-01ND
2017-05-10S018209-03ND
2017-05-10S018209-04ND
2017-05-10S018209-01ND
2017-05-10S018209-02ND
2017-08-09S021357-03ND
2017-08-09S021357-02ND
2017-08-09S021357-01ND
2017-08-09S021357-04ND
2017-11-08S024241-03ND
2017-11-08S024241-04ND
2017-11-08S024241-01ND
2017-11-08S024241-02ND
2018-02-14S026704-01ND
2018-02-14S026704-02ND
2018-02-14S026704-03ND
2018-02-14S026704-04ND
2018-05-09S029068-02ND
2018-05-09S029068-01ND
2018-05-09S029068-03ND
2018-05-09S029068-04ND
2018-11-14U8K0036-016.28 ppb
2018-11-14U8K0036-037.13 ppb
2018-11-14U8K0036-047.13 ppb
2018-11-14U8K0036-023.78 ppb
2019-02-13U9B0026-014.59 ppb
2019-02-13U9B0026-025.34 ppb
2019-02-13U9B0026-035.77 ppb
2019-02-13U9B0026-047.04 ppb
2019-02-14D9B1305-01ND
2019-05-22U9E0038-019.09 ppb
2019-05-22U9E0038-048.07 ppb
2019-05-22U9E0038-0310.7 ppb
2019-05-22U9E0038-028.40 ppb
2019-09-25U9I0045-04ND
2019-09-25U9I0045-03ND
2019-09-25U9I0045-02ND
2019-09-25U9I0045-01ND