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EWG's Tap Water Database — 2021 UPDATE

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Dichloroacetic acid

City of Hutto

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)

78

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20142.07 ppb16161.10 ppb - 4.70 ppb
20151.90 ppb16161.000 ppb - 4.30 ppb
20160.563 ppb167ND - 1.50 ppb
20171.61 ppb1610ND - 6.00 ppb
20181.51 ppb1613ND - 3.50 ppb
20193.19 ppb16161.000 ppb - 11.5 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
2014-02-21AC440951.30 ppb
2014-02-21AC440971.40 ppb
2014-02-21AC440961.10 ppb
2014-02-21AC440941.10 ppb
2014-05-09AC536751.10 ppb
2014-05-09AC536691.60 ppb
2014-05-09AC536711.40 ppb
2014-05-09AC536741.80 ppb
2014-08-20AC647372.80 ppb
2014-08-20AC647281.70 ppb
2014-08-20AC647251.80 ppb
2014-08-20AC647271.50 ppb
2014-11-13AC720594.70 ppb
2014-11-13AC720652.90 ppb
2014-11-13AC720683.20 ppb
2014-11-13AC720563.70 ppb
2015-01-29AC784321.90 ppb
2015-01-29AC784311.40 ppb
2015-01-29AC784361.10 ppb
2015-01-29AC784151.40 ppb
2015-06-08AC949022.80 ppb
2015-06-08AC948972.60 ppb
2015-06-08AC949064.30 ppb
2015-06-08AC949073.20 ppb
2015-09-17AD075571.50 ppb
2015-09-17AD075541.40 ppb
2015-09-17AD075581.40 ppb
2015-09-17AD075531.50 ppb
2015-11-02AD121661.80 ppb
2015-11-02AD121761.000 ppb
2015-11-02AD121731.60 ppb
2015-11-02AD121721.50 ppb
2016-02-25AD256841.20 ppb
2016-02-25AD256721.20 ppb
2016-02-25AD25718ND
2016-02-25AD256751.40 ppb
2016-06-09AD39958ND
2016-06-09AD39957ND
2016-06-09AD39955ND
2016-06-09AD39953ND
2016-09-22AD50678ND
2016-09-22AD50674ND
2016-09-22AD50673ND
2016-09-22AD50680ND
2016-12-05AD603161.000 ppb
2016-12-05AD603151.50 ppb
2016-12-05AD603021.30 ppb
2016-12-05AD603131.40 ppb
2017-03-09AD74340ND
2017-03-09AD74341ND
2017-03-09AD74345ND
2017-03-09AD743441.000 ppb
2017-05-12AD840332.60 ppb
2017-05-12AD840345.90 ppb
2017-05-12AD840326.00 ppb
2017-05-12AD840353.50 ppb
2017-07-31AD913341.50 ppb
2017-07-31AD91331ND
2017-07-31AD913351.000 ppb
2017-07-31AD91338ND
2017-10-03AD99043ND
2017-10-03AD990351.000 ppb
2017-10-03AD990321.30 ppb
2017-10-03AD990361.90 ppb
2018-03-08AE17494ND
2018-03-08AE175071.000 ppb
2018-03-08AE175111.000 ppb
2018-03-08AE175121.000 ppb
2018-05-07AE253211.50 ppb
2018-05-07AE253221.10 ppb
2018-05-07AE253181.50 ppb
2018-05-07AE253201.20 ppb
2018-08-21AE37847ND
2018-08-21AE378511.60 ppb
2018-08-21AE378481.20 ppb
2018-08-21AE37849ND
2018-10-15AE434323.50 ppb
2018-10-15AE434253.50 ppb
2018-10-15AE434303.10 ppb
2018-10-15AE434263.00 ppb
2019-03-08AE577172.90 ppb
2019-03-08AE577162.30 ppb
2019-03-08AE577182.70 ppb
2019-03-08AE577192.50 ppb
2019-05-30AE686025.60 ppb
2019-05-30AE686055.60 ppb
2019-05-30AE686035.70 ppb
2019-05-30AE6860411.5 ppb
2019-08-14AE785301.40 ppb
2019-08-14AE785341.40 ppb
2019-08-14AE785371.60 ppb
2019-08-14AE785311.40 ppb
2019-11-26AE905611.80 ppb
2019-11-26AE905581.80 ppb
2019-11-26AE905591.000 ppb
2019-11-26AE905601.80 ppb