Know Your Environment. Protect Your Health.

Dichloroacetic acid

Southwest Ouachita Waterworks Inc.

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.

 

128

Samples

0

Samples exceeding legal limit (MCL)

118

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201815.7 ppb32320.880 ppb - 77.8 ppb
20193.04 ppb3228ND - 9.90 ppb
20204.04 ppb1615ND - 15.3 ppb
20212.64 ppb1615ND - 9.80 ppb
20223.48 ppb16161.50 ppb - 6.40 ppb
20232.14 ppb1612ND - 5.10 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
2018-02-123537392500133.8 ppb
2018-02-123537392500225.7 ppb
2018-02-123537392500318.3 ppb
2018-02-123537392500433.9 ppb
2018-02-123537392500133.8 ppb
2018-02-123537392500225.7 ppb
2018-02-123537392500318.3 ppb
2018-02-123537392500433.9 ppb
2018-05-17353932250012.10 ppb
2018-05-17353932250021.60 ppb
2018-05-17353932250035.10 ppb
2018-05-17353932250040.880 ppb
2018-05-17353932250012.10 ppb
2018-05-17353932250021.60 ppb
2018-05-17353932250035.10 ppb
2018-05-17353932250040.880 ppb
2018-08-143541161700111.1 ppb
2018-08-14354116170022.70 ppb
2018-08-14354116170031.20 ppb
2018-08-143541161700477.8 ppb
2018-08-143541161700111.1 ppb
2018-08-14354116170022.70 ppb
2018-08-14354116170031.20 ppb
2018-08-143541161700477.8 ppb
2018-11-02354282260014.80 ppb
2018-11-023542822600222.7 ppb
2018-11-02354282260033.50 ppb
2018-11-02354282260045.90 ppb
2018-11-02354282260014.80 ppb
2018-11-023542822600222.7 ppb
2018-11-02354282260033.50 ppb
2018-11-02354282260045.90 ppb
2019-02-01354457500014.00 ppb
2019-02-01354457500022.60 ppb
2019-02-01354457500032.10 ppb
2019-02-01354457500042.50 ppb
2019-02-01354457500014.00 ppb
2019-02-01354457500022.60 ppb
2019-02-01354457500032.10 ppb
2019-02-01354457500042.50 ppb
2019-05-14354693220013.70 ppb
2019-05-14354693220023.20 ppb
2019-05-14354693220031.10 ppb
2019-05-14354693220044.40 ppb
2019-05-14354693220013.70 ppb
2019-05-14354693220023.20 ppb
2019-05-14354693220031.10 ppb
2019-05-14354693220044.40 ppb
2019-08-20354919340019.90 ppb
2019-08-20354919340022.90 ppb
2019-08-20354919340032.60 ppb
2019-08-20354919340043.20 ppb
2019-08-20354919340019.90 ppb
2019-08-20354919340022.90 ppb
2019-08-20354919340032.60 ppb
2019-08-20354919340043.20 ppb
2019-11-2035514588001ND
2019-11-2035514588002ND
2019-11-20355145880031.20 ppb
2019-11-20355145880045.20 ppb
2019-11-2035514588001ND
2019-11-2035514588002ND
2019-11-20355145880031.20 ppb
2019-11-20355145880045.20 ppb
2020-02-14355311970013.90 ppb
2020-02-14355311970023.00 ppb
2020-02-14355311970031.60 ppb
2020-02-14355311970044.30 ppb
2020-05-15355505760012.60 ppb
2020-05-15355505760023.90 ppb
2020-05-1535550576003ND
2020-05-15355505760045.60 ppb
2020-08-06355690580016.70 ppb
2020-08-06355690580023.30 ppb
2020-08-06355690580032.30 ppb
2020-08-063556905800415.3 ppb
2020-11-23355945430013.30 ppb
2020-11-23355945430021.50 ppb
2020-11-23355945430031.10 ppb
2020-11-23355945430046.20 ppb
2021-02-26356154090011.80 ppb
2021-02-26356154090021.70 ppb
2021-02-26356154090031.40 ppb
2021-02-26356154090040.990 ppb
2021-05-27356370430013.00 ppb
2021-05-27356370430021.50 ppb
2021-05-27356370430031.50 ppb
2021-05-27356370430044.60 ppb
2021-08-23356594270012.50 ppb
2021-08-23356594270020.570 ppb
2021-08-2335659427003ND
2021-08-23356594270049.80 ppb
2021-11-29356805320013.50 ppb
2021-11-29356805320021.60 ppb
2021-11-29356805320031.50 ppb
2021-11-29356805320046.20 ppb
2022-02-24356995740012.20 ppb
2022-02-24356995740021.50 ppb
2022-02-24356995740031.60 ppb
2022-02-24356995740046.40 ppb
2022-05-25357207130015.20 ppb
2022-05-25357207130025.60 ppb
2022-05-25357207130032.40 ppb
2022-05-25357207130043.40 ppb
2022-08-24357423770014.90 ppb
2022-08-24357423770022.20 ppb
2022-08-24357423770031.50 ppb
2022-08-24357423770045.80 ppb
2022-11-21357615940014.10 ppb
2022-11-21357615940022.10 ppb
2022-11-21357615940031.60 ppb
2022-11-21357615940045.20 ppb
2023-02-22357815280013.80 ppb
2023-02-22357815280022.00 ppb
2023-02-22357815280031.60 ppb
2023-02-22357815280043.90 ppb
2023-05-24358021570014.30 ppb
2023-05-24358021570022.90 ppb
2023-05-24358021570045.10 ppb
2023-05-26358026250011.20 ppb
2023-08-22358228980013.80 ppb
2023-08-22358228980021.80 ppb
2023-08-22358228980031.40 ppb
2023-08-22358228980042.50 ppb
2023-11-2035843064001ND
2023-11-2035843064002ND
2023-11-2035843064003ND
2023-11-2035843064004ND