Know Your Environment. Protect Your Health.

Dichloroacetic acid

Avon Water Company

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.

 

97

Samples

0

Samples exceeding legal limit (MCL)

39

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0313 ppb161ND - 0.500 ppb
20190.375 ppb168ND - 1.10 ppb
20200.319 ppb166ND - 1.10 ppb
20210.681 ppb1714ND - 2.50 ppb
20220.281 ppb163ND - 2.30 ppb
20230.713 ppb167ND - 2.30 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-24D8A1669-02HA5ND
2018-01-24D8A1669-03HA5ND
2018-01-24D8A1669-04HA5ND
2018-01-24D8A1669-01HA5ND
2018-04-25D8D2151-08HA5ND
2018-04-25D8D2151-09HA5ND
2018-04-25D8D2151-10HA5ND
2018-04-25D8D2151-11HA50.500 ppb
2018-07-26CA98743ND
2018-07-26CA98744ND
2018-07-26CA98745ND
2018-07-26CA98746ND
2018-10-09DBP 200508665ND
2018-10-09DBP 200508678ND
2018-10-09DBP 200508676ND
2018-10-09DBP 200508664ND
2019-01-08DBP 200518131ND
2019-01-08DBP 200518132ND
2019-01-08DBP 200518133ND
2019-01-08DBP 200518135ND
2019-04-11DBP 200528267ND
2019-04-11DBP 2005282680.800 ppb
2019-04-11DBP 200528269ND
2019-04-11DBP 2005282700.600 ppb
2019-07-02DBP 2005389931.10 ppb
2019-07-02DBP 2005389961.000 ppb
2019-07-02DBP 2005389950.600 ppb
2019-07-02DBP 200538992ND
2019-10-03DBP 2005514300.600 ppb
2019-10-03DBP 2005514310.600 ppb
2019-10-03DBP 2005514320.700 ppb
2019-10-03DBP 200551429ND
2020-01-09DBP 200562755ND
2020-01-09DBP 200562756ND
2020-01-09DBP 200562757ND
2020-01-09DBP 200562758ND
2020-04-16DBP 2005729280.600 ppb
2020-04-16DBP 2005729290.900 ppb
2020-04-16DBP 2005729270.600 ppb
2020-04-16DBP 200572926ND
2020-07-20DBP 200583413ND
2020-07-20DBP 2005834141.000 ppb
2020-07-20DBP 200583415ND
2020-07-20DBP 2005834160.900 ppb
2020-10-21DBP 200595044ND
2020-10-21DBP 2005950451.10 ppb
2020-10-21DBP 200595046ND
2020-10-21DBP 200595047ND
2021-01-07DBP 2006034060.600 ppb
2021-01-07DBP 2006034020.600 ppb
2021-01-07DBP 2006034040.600 ppb
2021-01-07DBP 2006034050.600 ppb
2021-01-08DBP 2006034092.50 ppb
2021-04-15DBP 200613652ND
2021-04-15DBP 2006136530.700 ppb
2021-04-15DBP 2006136540.700 ppb
2021-04-15DBP 2006136550.700 ppb
2021-07-01DBP 200623334ND
2021-07-01DBP 2006233350.500 ppb
2021-07-01DBP 2006233360.900 ppb
2021-07-01DBP 2006233380.900 ppb
2021-10-12H300079407 3000794330.780 ppb
2021-10-12H300079409 300079435ND
2021-10-12H300079408 3000794340.730 ppb
2021-10-12H300079406 3000794320.770 ppb
2022-01-14CK17779ND
2022-01-14CK17780ND
2022-01-14CK17781ND
2022-01-18CK17774ND
2022-04-15CL11166ND
2022-04-15CL11167ND
2022-04-15CL11168ND
2022-04-15CL11169ND
2022-07-08CL75309ND
2022-07-08CL753121.10 ppb
2022-07-08CL753102.30 ppb
2022-07-08CL753111.10 ppb
2022-10-21CM69248ND
2022-10-21CM69249ND
2022-10-21CM69250ND
2022-10-21CM69251ND
2023-01-11CN21964ND
2023-01-12CN241881.20 ppb
2023-01-12CN241891.50 ppb
2023-01-12CN241901.20 ppb
2023-04-14CN85863ND
2023-04-14CN85865ND
2023-04-14CN85864ND
2023-04-14CN85862ND
2023-07-13CO53041ND
2023-07-13CO53042ND
2023-07-13CO530431.60 ppb
2023-07-25CO588552.30 ppb
2023-10-04CP17807ND
2023-10-04CP178082.00 ppb
2023-10-04CP178091.60 ppb
2023-10-04CP17810ND