Know Your Environment. Protect Your Health.

Dichloroacetic acid

China Lake Naval Air Weapons Station

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
20210.275 ppb41ND - 1.10 ppb
20221.48 ppb42ND - 3.90 ppb
20230.275 ppb41ND - 1.10 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
2018-07-25CA1510703_DST_901-201807250700ND
2018-07-25CA1510703_DST_903-201807250705ND
2018-07-25CA1510703_DST_904-201807250830ND
2018-07-25CA1510703_DST_902-201807250730ND
2019-09-17CA1510703_DST_901-201909170900ND
2019-09-17CA1510703_DST_903-201909170900ND
2019-09-17CA1510703_DST_904-201909171010ND
2019-09-17CA1510703_DST_902-201909170835ND
2020-11-16CA1510703_DST_902-202011161020ND
2020-11-16CA1510703_DST_904-202011160925ND
2020-11-16CA1510703_DST_903-202011160955ND
2020-11-16CA1510703_DST_901-202011160955ND
2021-07-27CA1510703_DST_904-2021072707541.10 ppb
2021-07-27CA1510703_DST_901-202107270903ND
2021-07-27CA1510703_DST_903-202107270933ND
2021-07-27CA1510703_DST_902-202107270843ND
2022-07-05CA1510703_DST_902-202207050800ND
2022-07-05CA1510703_DST_904-2022070509442.00 ppb
2022-07-05CA1510703_DST_901-202207050735ND
2022-07-05CA1510703_DST_903-2022070509023.90 ppb
2023-07-11CA1510703_DST_903-202307110840ND
2023-07-11CA1510703_DST_902-202307110934ND
2023-07-11CA1510703_DST_901-202307110918ND
2023-07-11CA1510703_DST_904-2023071108251.10 ppb