Dichloroacetic acid
Village 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 | 0.148 ppb | 32 | 6 | ND - 0.860 ppb |
| 2019 | 0.822 ppb | 32 | 24 | ND - 4.20 ppb |
| 2020 | 0.405 ppb | 16 | 11 | ND - 0.910 ppb |
| 2021 | 0.125 ppb | 16 | 3 | ND - 0.760 ppb |
| 2022 | 0.235 ppb | 16 | 6 | ND - 0.900 ppb |
| 2023 | 0.0944 ppb | 16 | 2 | ND - 0.830 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 |
|---|---|---|
| 2018-02-12 | 35373899001 | ND |
| 2018-02-12 | 35373899002 | ND |
| 2018-02-12 | 35373899003 | ND |
| 2018-02-12 | 35373899004 | ND |
| 2018-02-12 | 35373899001 | ND |
| 2018-02-12 | 35373899002 | ND |
| 2018-02-12 | 35373899003 | ND |
| 2018-02-12 | 35373899004 | ND |
| 2018-05-10 | 35392013001 | 0.810 ppb |
| 2018-05-10 | 35392013002 | 0.700 ppb |
| 2018-05-10 | 35392013003 | ND |
| 2018-05-10 | 35392013004 | ND |
| 2018-05-10 | 35392013001 | 0.810 ppb |
| 2018-05-10 | 35392013002 | 0.700 ppb |
| 2018-05-10 | 35392013003 | ND |
| 2018-05-10 | 35392013004 | ND |
| 2018-08-15 | 35411592001 | ND |
| 2018-08-15 | 35411592002 | ND |
| 2018-08-15 | 35411592003 | ND |
| 2018-08-15 | 35411592004 | ND |
| 2018-08-15 | 35411592001 | ND |
| 2018-08-15 | 35411592002 | ND |
| 2018-08-15 | 35411592003 | ND |
| 2018-08-15 | 35411592004 | ND |
| 2018-11-16 | 35432197001 | ND |
| 2018-11-16 | 35432197002 | ND |
| 2018-11-16 | 35432197003 | 0.860 ppb |
| 2018-11-16 | 35432197004 | ND |
| 2018-11-16 | 35432197001 | ND |
| 2018-11-16 | 35432197002 | ND |
| 2018-11-16 | 35432197003 | 0.860 ppb |
| 2018-11-16 | 35432197004 | ND |
| 2019-02-21 | 35450236001 | 4.20 ppb |
| 2019-02-21 | 35450236002 | 0.590 ppb |
| 2019-02-21 | 35450236003 | 1.80 ppb |
| 2019-02-21 | 35450236004 | 0.600 ppb |
| 2019-02-21 | 35450236001 | 4.20 ppb |
| 2019-02-21 | 35450236002 | 0.590 ppb |
| 2019-02-21 | 35450236003 | 1.80 ppb |
| 2019-02-21 | 35450236004 | 0.600 ppb |
| 2019-05-17 | 35469507002 | 0.880 ppb |
| 2019-05-17 | 35469507003 | 0.930 ppb |
| 2019-05-17 | 35469507004 | 1.000 ppb |
| 2019-05-17 | 35469507002 | 0.880 ppb |
| 2019-05-17 | 35469507003 | 0.930 ppb |
| 2019-05-17 | 35469507004 | 1.000 ppb |
| 2019-05-23 | 35470841001 | 0.440 ppb |
| 2019-05-23 | 35470841001 | 0.440 ppb |
| 2019-08-23 | 35492999001 | ND |
| 2019-08-23 | 35492999002 | 1.30 ppb |
| 2019-08-23 | 35492999003 | ND |
| 2019-08-23 | 35492999004 | ND |
| 2019-08-23 | 35492999001 | ND |
| 2019-08-23 | 35492999002 | 1.30 ppb |
| 2019-08-23 | 35492999003 | ND |
| 2019-08-23 | 35492999004 | ND |
| 2019-11-14 | 35512807001 | 0.650 ppb |
| 2019-11-14 | 35512807002 | ND |
| 2019-11-14 | 35512807003 | 0.240 ppb |
| 2019-11-14 | 35512807004 | 0.520 ppb |
| 2019-11-14 | 35512807001 | 0.650 ppb |
| 2019-11-14 | 35512807002 | ND |
| 2019-11-14 | 35512807003 | 0.240 ppb |
| 2019-11-14 | 35512807004 | 0.520 ppb |
| 2020-02-24 | 35533015001 | 0.500 ppb |
| 2020-02-24 | 35533015002 | 0.710 ppb |
| 2020-02-24 | 35533015003 | 0.580 ppb |
| 2020-02-24 | 35533015004 | ND |
| 2020-05-28 | 35553251001 | ND |
| 2020-05-28 | 35553251002 | ND |
| 2020-05-28 | 35553251003 | ND |
| 2020-05-28 | 35553251004 | ND |
| 2020-08-11 | 35570404001 | 0.400 ppb |
| 2020-08-11 | 35570404002 | 0.740 ppb |
| 2020-08-11 | 35570404003 | 0.400 ppb |
| 2020-08-11 | 35570404004 | 0.450 ppb |
| 2020-11-05 | 35590457001 | 0.370 ppb |
| 2020-11-05 | 35590457002 | 0.770 ppb |
| 2020-11-05 | 35590457003 | 0.650 ppb |
| 2020-11-05 | 35590457004 | 0.910 ppb |
| 2021-02-26 | 35615306001 | ND |
| 2021-02-26 | 35615306002 | ND |
| 2021-02-26 | 35615306003 | ND |
| 2021-02-26 | 35615306004 | ND |
| 2021-05-14 | 35633835001 | 0.760 ppb |
| 2021-05-14 | 35633835003 | ND |
| 2021-05-14 | 35633835004 | 0.520 ppb |
| 2021-06-10 | 35640117001 | 0.720 ppb |
| 2021-08-19 | 35657882001 | ND |
| 2021-08-19 | 35657882002 | ND |
| 2021-08-19 | 35657882003 | ND |
| 2021-08-19 | 35657882004 | ND |
| 2021-11-19 | 35679964001 | ND |
| 2021-11-19 | 35679964002 | ND |
| 2021-11-19 | 35679964003 | ND |
| 2021-11-19 | 35679964004 | ND |
| 2022-02-10 | 35696659001 | 0.900 ppb |
| 2022-02-10 | 35696659002 | 0.840 ppb |
| 2022-02-10 | 35696659003 | 0.440 ppb |
| 2022-02-10 | 35696659004 | 0.810 ppb |
| 2022-05-19 | 35720252001 | ND |
| 2022-05-19 | 35720252002 | ND |
| 2022-05-19 | 35720252003 | ND |
| 2022-05-19 | 35720252004 | ND |
| 2022-08-18 | 35741494001 | 0.420 ppb |
| 2022-08-18 | 35741494002 | ND |
| 2022-08-18 | 35741494003 | ND |
| 2022-08-18 | 35741494004 | ND |
| 2022-11-16 | 35761348001 | 0.350 ppb |
| 2022-11-16 | 35761348002 | ND |
| 2022-11-16 | 35761348003 | ND |
| 2022-11-16 | 35761348004 | ND |
| 2023-02-17 | 35780689001 | ND |
| 2023-02-17 | 35780689002 | ND |
| 2023-02-17 | 35780689003 | ND |
| 2023-02-17 | 35780689004 | ND |
| 2023-05-19 | 35801801001 | ND |
| 2023-05-19 | 35801801002 | ND |
| 2023-05-19 | 35801801003 | ND |
| 2023-05-19 | 35801801004 | ND |
| 2023-08-11 | 35820278001 | ND |
| 2023-08-11 | 35820278002 | ND |
| 2023-08-11 | 35820278003 | ND |
| 2023-08-11 | 35820278004 | 0.830 ppb |
| 2023-11-08 | 35840810001 | ND |
| 2023-11-08 | 35840810002 | ND |
| 2023-11-08 | 35840810003 | ND |
| 2023-11-08 | 35840810004 | 0.680 ppb |