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EWG's Tap Water Database — 2019 UPDATE

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Dichloroacetic acid

City of Kerrville

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.

 

110

Samples

0

Samples exceeding legal limit (MCL)

105

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20128.19 ppb2419ND - 31.3 ppb
201310.4 ppb22222.90 ppb - 17.0 ppb
201416.6 ppb16162.50 ppb - 46.3 ppb
201510.9 ppb16166.70 ppb - 20.6 ppb
201617.3 ppb16167.20 ppb - 32.7 ppb
201716.2 ppb16165.70 ppb - 28.3 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.7 ppb

The EWG Health Guideline of 0.7 ppb for dichloroacetic acid was defined by the Environmental Protection Agency as 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
2012-01-1812014250106.00 ppb
2012-01-1812014250116.50 ppb
2012-01-1812014250123.30 ppb
2012-01-1812014250134.60 ppb
2012-01-1812014250142.30 ppb
2012-01-1812014250153.50 ppb
2012-04-0412041170131.40 ppb
2012-04-0412041170147.60 ppb
2012-04-041204117015ND
2012-04-041204117016ND
2012-04-0412041170171.40 ppb
2012-04-0412041170181.20 ppb
2012-07-25120795101314.5 ppb
2012-07-25120795101431.3 ppb
2012-07-251207951015ND
2012-07-251207951016ND
2012-07-25120795101720.8 ppb
2012-07-25120795101820.8 ppb
2012-10-04121022801712.7 ppb
2012-10-04121022801830.8 ppb
2012-10-041210228019ND
2012-10-0412102280205.10 ppb
2012-10-0412102280216.20 ppb
2012-10-04121022802216.6 ppb
2013-01-23AC085425.00 ppb
2013-01-23AC0854410.6 ppb
2013-01-23AC085454.40 ppb
2013-01-23AC085414.50 ppb
2013-01-23AC085382.90 ppb
2013-01-23AC085437.90 ppb
2013-04-11AC164339.10 ppb
2013-04-11AC1643814.9 ppb
2013-04-11AC1643714.6 ppb
2013-04-11AC164409.00 ppb
2013-04-11AC1643911.1 ppb
2013-04-11AC1643613.9 ppb
2013-07-29AC2607412.1 ppb
2013-07-29AC2607315.3 ppb
2013-07-29AC2607513.1 ppb
2013-07-29AC2607217.0 ppb
2013-07-29AC261007.30 ppb
2013-07-29AC2610116.9 ppb
2013-10-17AC3241010.9 ppb
2013-10-17AC3240911.0 ppb
2013-10-17AC324123.30 ppb
2013-10-17AC3241114.8 ppb
2014-02-10AC4188410.5 ppb
2014-02-10AC418855.60 ppb
2014-02-10AC418862.50 ppb
2014-02-10AC4188710.5 ppb
2014-04-07AC495969.10 ppb
2014-04-07AC4959512.6 ppb
2014-04-07AC4962314.1 ppb
2014-05-28AC5537212.6 ppb
2014-07-16AC5989929.3 ppb
2014-07-16AC5987118.1 ppb
2014-07-16AC5990046.3 ppb
2014-07-16AC598699.30 ppb
2014-10-15AC6978325.6 ppb
2014-10-15AC6977916.6 ppb
2014-10-15AC6978421.6 ppb
2014-10-15AC6977820.8 ppb
2015-01-28AC781178.90 ppb
2015-01-28AC781187.10 ppb
2015-01-28AC781297.10 ppb
2015-01-28AC781167.00 ppb
2015-04-15AC883428.50 ppb
2015-04-15AC883408.50 ppb
2015-04-15AC8833910.8 ppb
2015-04-15AC883417.20 ppb
2015-07-20AD0007620.6 ppb
2015-07-20AD0007817.6 ppb
2015-07-20AD000856.90 ppb
2015-07-20AD000816.70 ppb
2015-10-13AD1043914.3 ppb
2015-10-13AD1042915.5 ppb
2015-10-13AD104319.50 ppb
2015-10-13AD1043018.6 ppb
2016-02-01AD2103810.1 ppb
2016-02-01AD2104210.1 ppb
2016-02-01AD210437.20 ppb
2016-02-01AD210409.20 ppb
2016-04-18AD3331819.1 ppb
2016-04-18AD3331918.7 ppb
2016-04-18AD3332012.7 ppb
2016-04-18AD3331610.00 ppb
2016-07-05AD4291632.5 ppb
2016-07-05AD4291732.7 ppb
2016-07-05AD4290916.5 ppb
2016-07-05AD4291527.5 ppb
2016-10-24AD5427821.4 ppb
2016-10-24AD5427915.9 ppb
2016-10-24AD5428412.8 ppb
2016-10-24AD5428521.1 ppb
2017-02-13AD7036213.1 ppb
2017-02-13AD7036010.3 ppb
2017-02-13AD7035310.8 ppb
2017-02-13AD7035713.9 ppb
2017-04-06AD7871126.6 ppb
2017-04-06AD7871217.0 ppb
2017-04-06AD7871312.7 ppb
2017-04-06AD7871013.3 ppb
2017-07-05AD882887.10 ppb
2017-07-05AD8828928.3 ppb
2017-07-05AD8828722.5 ppb
2017-07-05AD8829017.2 ppb
2017-10-09AD997565.70 ppb
2017-10-09AD9975724.0 ppb
2017-10-09AD9976014.2 ppb
2017-10-09AD9975522.2 ppb