Dichloroacetic acid
City of Bogalusa Water System
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.375 ppb | 32 | 18 | ND - 0.930 ppb |
| 2019 | 1.11 ppb | 32 | 32 | 0.470 ppb - 1.60 ppb |
| 2020 | 0.308 ppb | 16 | 7 | ND - 0.950 ppb |
| 2021 | 0.248 ppb | 16 | 8 | ND - 0.850 ppb |
| 2022 | 0.663 ppb | 16 | 13 | ND - 1.70 ppb |
| 2023 | 0.415 ppb | 16 | 9 | ND - 1.40 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 |
|---|---|---|
| 2018-01-12 | 35368407001 | ND |
| 2018-01-12 | 35368407002 | ND |
| 2018-01-12 | 35368407003 | ND |
| 2018-01-12 | 35368407004 | ND |
| 2018-01-12 | 35368407001 | ND |
| 2018-01-12 | 35368407002 | ND |
| 2018-01-12 | 35368407003 | ND |
| 2018-01-12 | 35368407004 | ND |
| 2018-04-05 | 35384630001 | ND |
| 2018-04-05 | 35384630002 | ND |
| 2018-04-05 | 35384630003 | 0.740 ppb |
| 2018-04-05 | 35384630004 | ND |
| 2018-04-05 | 35384630001 | ND |
| 2018-04-05 | 35384630002 | ND |
| 2018-04-05 | 35384630003 | 0.740 ppb |
| 2018-04-05 | 35384630004 | ND |
| 2018-07-05 | 35402539001 | 0.930 ppb |
| 2018-07-05 | 35402539002 | 0.680 ppb |
| 2018-07-05 | 35402539003 | 0.690 ppb |
| 2018-07-05 | 35402539004 | 0.760 ppb |
| 2018-07-05 | 35402539001 | 0.930 ppb |
| 2018-07-05 | 35402539002 | 0.680 ppb |
| 2018-07-05 | 35402539003 | 0.690 ppb |
| 2018-07-05 | 35402539004 | 0.760 ppb |
| 2018-10-04 | 35422549001 | 0.620 ppb |
| 2018-10-04 | 35422549002 | 0.320 ppb |
| 2018-10-04 | 35422549003 | 0.640 ppb |
| 2018-10-04 | 35422549004 | 0.620 ppb |
| 2018-10-04 | 35422549001 | 0.620 ppb |
| 2018-10-04 | 35422549002 | 0.320 ppb |
| 2018-10-04 | 35422549003 | 0.640 ppb |
| 2018-10-04 | 35422549004 | 0.620 ppb |
| 2019-01-11 | 35441865001 | 1.40 ppb |
| 2019-01-11 | 35441865002 | 1.40 ppb |
| 2019-01-11 | 35441865003 | 1.40 ppb |
| 2019-01-11 | 35441865004 | 1.30 ppb |
| 2019-01-11 | 35441865001 | 1.40 ppb |
| 2019-01-11 | 35441865002 | 1.40 ppb |
| 2019-01-11 | 35441865003 | 1.40 ppb |
| 2019-01-11 | 35441865004 | 1.30 ppb |
| 2019-04-05 | 35459959001 | 1.10 ppb |
| 2019-04-05 | 35459959002 | 0.540 ppb |
| 2019-04-05 | 35459959003 | 1.10 ppb |
| 2019-04-05 | 35459959004 | 1.000 ppb |
| 2019-04-05 | 35459959001 | 1.10 ppb |
| 2019-04-05 | 35459959002 | 0.540 ppb |
| 2019-04-05 | 35459959003 | 1.10 ppb |
| 2019-04-05 | 35459959004 | 1.000 ppb |
| 2019-07-19 | 35483671001 | 1.50 ppb |
| 2019-07-19 | 35483671002 | 1.20 ppb |
| 2019-07-19 | 35483671003 | 1.60 ppb |
| 2019-07-19 | 35483671004 | 1.10 ppb |
| 2019-07-19 | 35483671001 | 1.50 ppb |
| 2019-07-19 | 35483671002 | 1.20 ppb |
| 2019-07-19 | 35483671003 | 1.60 ppb |
| 2019-07-19 | 35483671004 | 1.10 ppb |
| 2019-10-04 | 35502858001 | 1.10 ppb |
| 2019-10-04 | 35502858002 | 0.470 ppb |
| 2019-10-04 | 35502858003 | 0.690 ppb |
| 2019-10-04 | 35502858004 | 0.900 ppb |
| 2019-10-04 | 35502858001 | 1.10 ppb |
| 2019-10-04 | 35502858002 | 0.470 ppb |
| 2019-10-04 | 35502858003 | 0.690 ppb |
| 2019-10-04 | 35502858004 | 0.900 ppb |
| 2020-01-09 | 35523412001 | ND |
| 2020-01-09 | 35523412002 | ND |
| 2020-01-09 | 35523412003 | ND |
| 2020-01-09 | 35523412004 | ND |
| 2020-04-03 | 35541463001 | 0.690 ppb |
| 2020-04-03 | 35541463002 | 0.490 ppb |
| 2020-04-03 | 35541463003 | 0.950 ppb |
| 2020-04-03 | 35541463004 | 0.920 ppb |
| 2020-07-10 | 35562378001 | ND |
| 2020-07-10 | 35562378002 | ND |
| 2020-07-10 | 35562378003 | 0.650 ppb |
| 2020-07-10 | 35562378004 | 0.550 ppb |
| 2020-10-02 | 35582099001 | ND |
| 2020-10-02 | 35582099002 | ND |
| 2020-10-02 | 35582099003 | 0.670 ppb |
| 2020-10-02 | 35582099004 | ND |
| 2021-01-08 | 35603483001 | ND |
| 2021-01-08 | 35603483002 | ND |
| 2021-01-08 | 35603483003 | 0.850 ppb |
| 2021-01-08 | 35603483004 | 0.600 ppb |
| 2021-04-09 | 35625080001 | ND |
| 2021-04-09 | 35625080002 | ND |
| 2021-04-09 | 35625080003 | 0.510 ppb |
| 2021-04-09 | 35625080004 | 0.290 ppb |
| 2021-07-09 | 35646369001 | ND |
| 2021-07-09 | 35646369002 | ND |
| 2021-07-09 | 35646369003 | 0.520 ppb |
| 2021-07-09 | 35646369004 | 0.310 ppb |
| 2021-10-01 | 35668737001 | ND |
| 2021-10-01 | 35668737002 | 0.490 ppb |
| 2021-10-01 | 35668737003 | 0.390 ppb |
| 2021-10-01 | 35668737004 | ND |
| 2022-01-07 | 35689215001 | ND |
| 2022-01-07 | 35689215002 | ND |
| 2022-01-07 | 35689215003 | 0.890 ppb |
| 2022-01-07 | 35689215004 | 0.740 ppb |
| 2022-04-01 | 35707497001 | 1.70 ppb |
| 2022-04-01 | 35707497002 | 0.740 ppb |
| 2022-04-01 | 35707497003 | 0.940 ppb |
| 2022-04-01 | 35707497004 | 0.960 ppb |
| 2022-07-07 | 35731064001 | 0.730 ppb |
| 2022-07-07 | 35731064002 | 0.690 ppb |
| 2022-07-07 | 35731064003 | 0.800 ppb |
| 2022-07-07 | 35731064004 | 0.930 ppb |
| 2022-10-06 | 35751458001 | 0.370 ppb |
| 2022-10-06 | 35751458002 | ND |
| 2022-10-06 | 35751458003 | 0.530 ppb |
| 2022-10-06 | 35751458004 | 0.580 ppb |
| 2023-01-06 | 35770968001 | ND |
| 2023-01-06 | 35770968002 | ND |
| 2023-01-06 | 35770968003 | 0.350 ppb |
| 2023-01-06 | 35770968004 | ND |
| 2023-04-05 | 35790912001 | ND |
| 2023-04-05 | 35790912002 | ND |
| 2023-04-05 | 35790912003 | ND |
| 2023-04-05 | 35790912004 | ND |
| 2023-07-14 | 35813441001 | 0.690 ppb |
| 2023-07-14 | 35813441002 | 0.600 ppb |
| 2023-07-14 | 35813441003 | 0.780 ppb |
| 2023-07-14 | 35813441004 | 0.690 ppb |
| 2023-10-06 | 35832961001 | 1.40 ppb |
| 2023-10-06 | 35832961002 | 0.820 ppb |
| 2023-10-06 | 35832961003 | 0.680 ppb |
| 2023-10-06 | 35832961004 | 0.630 ppb |