Know Your Environment. Protect Your Health.

Dichloroacetic acid

Woodbury City 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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

69

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.13 ppb1612ND - 2.30 ppb
20190.894 ppb1610ND - 2.40 ppb
20201.17 ppb1612ND - 2.50 ppb
20211.47 ppb1612ND - 4.50 ppb
20221.37 ppb1611ND - 2.80 ppb
20232.94 ppb1612ND - 12.5 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
2018-01-103851244ND
2018-01-1038512451.000 ppb
2018-01-103851246ND
2018-01-103851243ND
2018-04-0439045201.50 ppb
2018-04-0439045211.30 ppb
2018-04-0439045221.20 ppb
2018-04-0439045231.30 ppb
2018-07-0339819831.40 ppb
2018-07-033981984ND
2018-07-0339819851.60 ppb
2018-07-0339819861.20 ppb
2018-10-0440796581.60 ppb
2018-10-0440796601.90 ppb
2018-10-0440796592.30 ppb
2018-10-0440796571.70 ppb
2019-01-104171972ND
2019-01-1041719731.10 ppb
2019-01-1041719741.40 ppb
2019-01-1041719751.20 ppb
2019-04-034248581ND
2019-04-034248582ND
2019-04-034248583ND
2019-04-034248584ND
2019-07-0943480961.80 ppb
2019-07-0943480982.40 ppb
2019-07-0943480972.00 ppb
2019-07-0943480951.10 ppb
2019-10-024449250ND
2019-10-0244492511.10 ppb
2019-10-0244492521.10 ppb
2019-10-0244492491.10 ppb
2020-01-1345371511.20 ppb
2020-01-1345371521.10 ppb
2020-01-1345371531.30 ppb
2020-01-1345371541.10 ppb
2020-04-0946066461.50 ppb
2020-04-0946066471.70 ppb
2020-04-0946066451.40 ppb
2020-04-094606644ND
2020-07-164675232ND
2020-07-1646752342.20 ppb
2020-07-1646752311.80 ppb
2020-07-1646752332.50 ppb
2020-10-204758089ND
2020-10-2047580911.50 ppb
2020-10-204758088ND
2020-10-2047580901.40 ppb
2021-02-084830855ND
2021-02-084830854ND
2021-02-084830856ND
2021-02-084830853ND
2021-04-1348797651.70 ppb
2021-04-1348797661.60 ppb
2021-04-1348797671.90 ppb
2021-04-1348797641.20 ppb
2021-07-1449569801.90 ppb
2021-07-1449569822.80 ppb
2021-07-1449569792.30 ppb
2021-07-1449569813.40 ppb
2021-10-06630-22839-3-HAA0.700 ppb
2021-10-06630-22839-1-HAA0.690 ppb
2021-10-06630-22839-4-HAA4.50 ppb
2021-10-06630-22839-2-HAA0.890 ppb
2022-01-13630-26176-5-HAA2.50 ppb
2022-01-13630-26176-8-HAA2.80 ppb
2022-01-13630-26176-6-HAA2.80 ppb
2022-01-13630-26176-7-HAA2.40 ppb
2022-04-13630-31203-1-HAAND
2022-04-13630-31203-4-HAA2.00 ppb
2022-04-13630-31203-2-HAAND
2022-04-13630-31203-3-HAA1.50 ppb
2022-07-13630-39279-3-HAA1.20 ppb
2022-07-13630-39279-4-HAA2.00 ppb
2022-07-13630-39279-1-HAA0.950 ppb
2022-07-13630-39279-2-HAAND
2022-10-12630-47373-1-HAA1.50 ppb
2022-10-12630-47373-2-HAA2.20 ppb
2022-10-12630-47373-3-HAAND
2022-10-12630-47373-4-HAAND
2023-01-1732842140021.80 ppb
2023-01-1732842140011.20 ppb
2023-01-173284214003ND
2023-01-1732842140041.70 ppb
2023-04-213299783002ND
2023-04-2132997830041.60 ppb
2023-04-213299783003ND
2023-04-213299783001ND
2023-07-1933139880035.50 ppb
2023-07-19331398800412.5 ppb
2023-07-1933139880028.60 ppb
2023-07-1933139880015.20 ppb
2023-11-1633333800032.80 ppb
2023-11-1633333800043.30 ppb
2023-11-1633333800021.70 ppb
2023-11-1633333800011.20 ppb