Dichloroacetonitrile
City of Zavalla
Dichloroacetonitrile is formed when chlorine or other disinfectants are used to treat drinking water. Disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.
5
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 0.900 ppb | 3 | 3 | 0.800 ppb - 1.000 ppb |
| 2023 | 0.550 ppb | 2 | 2 | 0.500 ppb - 0.600 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2022-04-05 | Q2210426001 | 0.900 ppb |
| 2022-07-08 | Q2219195002 | 1.000 ppb |
| 2022-10-04 | Q2229747001 | 0.800 ppb |
| 2023-05-15 | Q2318263005 | 0.600 ppb |
| 2023-08-07 | Q2332144003 | 0.500 ppb |