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EWG's Tap Water Database — 2021 UPDATE

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Dichloroacetic acid

Scarsdale Water Department

Dichloroacetic 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

 

96

Samples

0

Samples exceeding legal limit (MCL)

92

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201411.8 ppb1615ND - 18.0 ppb
201510.9 ppb16161.10 ppb - 16.0 ppb
201611.5 ppb1615ND - 19.0 ppb
201712.2 ppb16166.30 ppb - 17.0 ppb
201811.3 ppb1614ND - 19.0 ppb
20198.27 ppb16161.20 ppb - 21.0 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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.a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-17201401200021DBP14.0 ppb
2014-01-17201401200020DBP14.0 ppb
2014-01-17201401200019DBP15.0 ppb
2014-01-17201401200022DBP4.90 ppb
2014-04-17201404180351DBP16.0 ppb
2014-04-17201404180349DBPND
2014-04-17201404180348DBP16.0 ppb
2014-04-17201404180350DBP18.0 ppb
2014-07-17201407180424DBP14.0 ppb
2014-07-17201407180423DBP14.0 ppb
2014-07-17201407180425DBP1.40 ppb
2014-07-17201407180422DBP18.0 ppb
2014-10-17201410180109 DBP2.40 ppb
2014-10-17201410180106 DBP17.0 ppb
2014-10-17201410180108 DBP12.0 ppb
2014-10-17201410180107 DBP12.0 ppb
2015-01-16201501170042DBP12.0 ppb
2015-01-16201501170044DBP12.0 ppb
2015-01-16201501170043DBP13.0 ppb
2015-01-16201501170045DBP2.70 ppb
2015-04-17201504180152DBP6.40 ppb
2015-04-17201504180149DBP14.0 ppb
2015-04-17201504180151DBP15.0 ppb
2015-04-17201504180150DBP15.0 ppb
2015-07-28201507290515 DBP16.0 ppb
2015-07-28201507290516 DBP1.10 ppb
2015-07-28201507290514 DBP11.0 ppb
2015-07-28201507290517 DBP11.0 ppb
2015-10-15201510160387 DBP15.0 ppb
2015-10-15201510160386 DBP12.0 ppb
2015-10-15201510160385 DBP15.0 ppb
2015-10-15201510160388 DBP3.40 ppb
2016-01-20201601210649 Q116.0 ppb
2016-01-21201601210651 DBP1.20 ppb
2016-01-21201601210648 DBP14.0 ppb
2016-01-21201601210650 Q17.10 ppb
2016-04-18201604190506 DBP17.0 ppb
2016-04-18201604190508 DBP16.0 ppb
2016-04-18201604190509 DBPND
2016-04-18201604190507 DBP15.0 ppb
2016-07-18201607190661 DBP14.0 ppb
2016-07-18201607190662 DBP12.0 ppb
2016-07-18201607190663 DBP17.0 ppb
2016-07-18201607190664 DBP9.80 ppb
2016-10-17201610180613 DBP9.20 ppb
2016-10-17201610180614 DBP10.00 ppb
2016-10-17201610180615 DBP19.0 ppb
2016-10-17201610180616 DBP6.70 ppb
2017-01-17201701180836 DBP12.0 ppb
2017-01-17201701180835 DBP10.00 ppb
2017-01-17201701180837 DBP6.30 ppb
2017-01-17201701180838 DBP9.10 ppb
2017-04-17201704180816-DBP17.0 ppb
2017-04-17201704180815-DBP11.0 ppb
2017-04-17201704180814-DBP16.0 ppb
2017-04-17201704180813-DBP11.0 ppb
2017-07-17201707180303-DBP14.0 ppb
2017-07-17201707180304-DBP11.0 ppb
2017-07-17201707180301-DBP17.0 ppb
2017-07-17201707180302-DBP13.0 ppb
2017-10-17201710180633-DBP11.0 ppb
2017-10-17201710180635-DBP8.70 ppb
2017-10-17201710180632-DBP15.0 ppb
2017-10-17201710180634-DBP13.0 ppb
2018-01-17201801180349-DBP13.0 ppb
2018-01-17201801180350-DBP16.0 ppb
2018-01-17201801180351-DBP17.0 ppb
2018-01-17201801180352-DBP11.0 ppb
2018-04-17201804180719-DBP9.30 ppb
2018-04-17201804180720-DBP18.0 ppb
2018-04-17201804180721-DBP19.0 ppb
2018-04-17201804180722-DBP9.70 ppb
2018-07-17201807200433-DBP18.0 ppb
2018-07-17201807200439-DBP10.00 ppb
2018-07-17201807200435-DBP13.0 ppb
2018-07-17201807200437-DBP19.0 ppb
2018-10-17201810180784-DBP3.40 ppb
2018-10-17201810180782-DBP4.80 ppb
2018-10-17201810180783-DBPND
2018-10-17201810180781-DBPND
2019-01-17201901180374-DBP14.0 ppb
2019-01-17201901180373-DBP8.30 ppb
2019-01-17201901180375-DBP6.90 ppb
2019-01-17201901180376-DBP8.60 ppb
2019-04-17201904180643-DBP21.0 ppb
2019-04-17201904180644-DBP1.50 ppb
2019-04-17201904180641-DBP3.00 ppb
2019-04-17201904180642-DBP1.20 ppb
2019-07-17201907180457-DBP12.0 ppb
2019-07-17201907180458-DBP12.0 ppb
2019-07-17201907180459-DBP14.0 ppb
2019-07-17201907180460-DBP8.60 ppb
2019-10-17201910180232-DBP5.00 ppb
2019-10-17201910180231-DBP9.20 ppb
2019-10-17201910180230-DBP3.20 ppb
2019-10-17201910180233-DBP3.80 ppb