Dichloroacetic acid
Minden 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 | 0.413 ppb | 32 | 16 | ND - 1.30 ppb |
| 2019 | 0.619 ppb | 32 | 30 | ND - 1.000 ppb |
| 2020 | 0.281 ppb | 16 | 10 | ND - 0.680 ppb |
| 2021 | 0.0588 ppb | 16 | 3 | ND - 0.350 ppb |
| 2022 | 0.358 ppb | 16 | 11 | ND - 1.20 ppb |
| 2023 | 0.0320 ppb | 20 | 1 | ND - 0.640 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 |
|---|---|---|
| 2018-02-08 | 35373972001 | ND |
| 2018-02-08 | 35373972002 | ND |
| 2018-02-08 | 35373972003 | ND |
| 2018-02-08 | 35373972004 | ND |
| 2018-02-08 | 35373972001 | ND |
| 2018-02-08 | 35373972002 | ND |
| 2018-02-08 | 35373972003 | ND |
| 2018-02-08 | 35373972004 | ND |
| 2018-05-03 | 35390313001 | 1.30 ppb |
| 2018-05-03 | 35390313002 | 0.980 ppb |
| 2018-05-03 | 35390313003 | 0.970 ppb |
| 2018-05-03 | 35390313004 | 1.20 ppb |
| 2018-05-03 | 35390313001 | 1.30 ppb |
| 2018-05-03 | 35390313002 | 0.980 ppb |
| 2018-05-03 | 35390313003 | 0.970 ppb |
| 2018-05-03 | 35390313004 | 1.20 ppb |
| 2018-08-13 | 35411591001 | ND |
| 2018-08-13 | 35411591002 | ND |
| 2018-08-13 | 35411591003 | ND |
| 2018-08-13 | 35411591004 | ND |
| 2018-08-13 | 35411591001 | ND |
| 2018-08-13 | 35411591002 | ND |
| 2018-08-13 | 35411591003 | ND |
| 2018-08-13 | 35411591004 | ND |
| 2018-11-01 | 35428191001 | 0.740 ppb |
| 2018-11-01 | 35428191002 | 0.500 ppb |
| 2018-11-01 | 35428191003 | 0.540 ppb |
| 2018-11-01 | 35428191004 | 0.380 ppb |
| 2018-11-01 | 35428191001 | 0.740 ppb |
| 2018-11-01 | 35428191002 | 0.500 ppb |
| 2018-11-01 | 35428191003 | 0.540 ppb |
| 2018-11-01 | 35428191004 | 0.380 ppb |
| 2019-02-07 | 35447057001 | 0.770 ppb |
| 2019-02-07 | 35447057002 | 0.690 ppb |
| 2019-02-07 | 35447057003 | 0.720 ppb |
| 2019-02-07 | 35447057004 | 0.690 ppb |
| 2019-02-07 | 35447057001 | 0.770 ppb |
| 2019-02-07 | 35447057002 | 0.690 ppb |
| 2019-02-07 | 35447057003 | 0.720 ppb |
| 2019-02-07 | 35447057004 | 0.690 ppb |
| 2019-05-23 | 35470845001 | 0.660 ppb |
| 2019-05-23 | 35470845002 | 0.620 ppb |
| 2019-05-23 | 35470845003 | 1.000 ppb |
| 2019-05-23 | 35470845004 | 0.760 ppb |
| 2019-05-23 | 35470845001 | 0.660 ppb |
| 2019-05-23 | 35470845002 | 0.620 ppb |
| 2019-05-23 | 35470845003 | 1.000 ppb |
| 2019-05-23 | 35470845004 | 0.760 ppb |
| 2019-08-21 | 35492757001 | 0.370 ppb |
| 2019-08-21 | 35492757002 | ND |
| 2019-08-21 | 35492757003 | 0.340 ppb |
| 2019-08-21 | 35492757004 | 0.370 ppb |
| 2019-08-21 | 35492757001 | 0.370 ppb |
| 2019-08-21 | 35492757002 | ND |
| 2019-08-21 | 35492757003 | 0.340 ppb |
| 2019-08-21 | 35492757004 | 0.370 ppb |
| 2019-11-18 | 35514460001 | 0.730 ppb |
| 2019-11-18 | 35514460002 | 0.860 ppb |
| 2019-11-18 | 35514460003 | 0.640 ppb |
| 2019-11-18 | 35514460004 | 0.680 ppb |
| 2019-11-18 | 35514460001 | 0.730 ppb |
| 2019-11-18 | 35514460002 | 0.860 ppb |
| 2019-11-18 | 35514460003 | 0.640 ppb |
| 2019-11-18 | 35514460004 | 0.680 ppb |
| 2020-02-26 | 35533858001 | 0.320 ppb |
| 2020-02-26 | 35533858002 | 0.350 ppb |
| 2020-02-26 | 35533858003 | 0.410 ppb |
| 2020-02-26 | 35533858004 | 0.270 ppb |
| 2020-05-11 | 35550040001 | 0.670 ppb |
| 2020-05-11 | 35550040002 | 0.470 ppb |
| 2020-05-11 | 35550040003 | 0.600 ppb |
| 2020-05-11 | 35550040004 | ND |
| 2020-08-20 | 35572475001 | ND |
| 2020-08-20 | 35572475002 | ND |
| 2020-08-20 | 35572475003 | 0.680 ppb |
| 2020-08-20 | 35572475004 | ND |
| 2020-11-06 | 35590461001 | 0.360 ppb |
| 2020-11-06 | 35590461002 | ND |
| 2020-11-06 | 35590461003 | 0.370 ppb |
| 2020-11-06 | 35590461004 | ND |
| 2021-02-22 | 35615031001 | ND |
| 2021-02-22 | 35615031002 | ND |
| 2021-02-22 | 35615031003 | ND |
| 2021-02-22 | 35615031004 | ND |
| 2021-05-24 | 35636907001 | 0.330 ppb |
| 2021-05-24 | 35636907002 | ND |
| 2021-05-24 | 35636907003 | ND |
| 2021-05-24 | 35636907004 | 0.350 ppb |
| 2021-08-02 | 35653954001 | ND |
| 2021-08-02 | 35653954002 | ND |
| 2021-08-02 | 35653954003 | ND |
| 2021-08-02 | 35653954004 | ND |
| 2021-11-23 | 35680003001 | 0.260 ppb |
| 2021-11-23 | 35680003002 | ND |
| 2021-11-23 | 35680003003 | ND |
| 2021-11-23 | 35680003004 | ND |
| 2022-02-16 | 35698459001 | 0.430 ppb |
| 2022-02-16 | 35698459002 | 0.310 ppb |
| 2022-02-16 | 35698459003 | 0.370 ppb |
| 2022-02-16 | 35698459004 | ND |
| 2022-05-18 | 35720250001 | 0.590 ppb |
| 2022-05-18 | 35720250002 | 0.400 ppb |
| 2022-05-18 | 35720250003 | 0.570 ppb |
| 2022-05-18 | 35720250004 | 0.490 ppb |
| 2022-08-16 | 35741528001 | ND |
| 2022-08-16 | 35741528002 | ND |
| 2022-08-16 | 35741528003 | ND |
| 2022-08-16 | 35741528004 | ND |
| 2022-11-04 | 35758189001 | 0.530 ppb |
| 2022-11-04 | 35758189002 | 0.380 ppb |
| 2022-11-04 | 35758189003 | 0.460 ppb |
| 2022-11-04 | 35758189004 | 1.20 ppb |
| 2023-02-13 | 35780691001 | ND |
| 2023-02-13 | 35780691002 | ND |
| 2023-02-13 | 35780691003 | ND |
| 2023-02-13 | 35780691004 | ND |
| 2023-05-24 | 35802616001 | ND |
| 2023-05-24 | 35802616002 | ND |
| 2023-05-24 | 35802616003 | ND |
| 2023-05-24 | 35802616004 | ND |
| 2023-06-06 | 35805302004 | ND |
| 2023-08-25 | 35823510001 | ND |
| 2023-08-25 | 35823510002 | ND |
| 2023-08-25 | 35823510003 | ND |
| 2023-08-25 | 35823510004 | ND |
| 2023-11-21 | 35843378002 | ND |
| 2023-11-21 | 35843378003 | ND |
| 2023-11-21 | 35843378004 | ND |
| 2023-11-28 | 35844884001 | 0.640 ppb |
| 2023-11-28 | 35844884002 | ND |
| 2023-11-28 | 35844884003 | ND |
| 2023-11-28 | 35844884004 | ND |