Nonafluoro-3,6-dioxaheptanoic acid
St Charles Water District 1 East Bank
8
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 | N/A | 0 | 0 | N/A |
| 2023 | ND | 8 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-03-29 | 810-57938-1 | ND |
| 2023-03-29 | 810-57936-1 | ND |
| 2023-04-26 | 810-61097-1 | ND |
| 2023-04-26 | 810-61099-1 | ND |
| 2023-07-11 | 810-69217-1 | ND |
| 2023-07-11 | 810-69216-1 | ND |
| 2023-10-10 | 810-81337-1 | ND |
| 2023-10-10 | 810-81336-1 | ND |