4,4'-dde
Manchester Water District
12
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 12 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-13 | ND | |
| 2018-09-13 | ND | |
| 2018-09-13 | ND | |
| 2018-09-13 | ND | |
| 2018-09-14 | ND | |
| 2018-09-14 | ND | |
| 2018-10-01 | ND | |
| 2018-10-01 | ND | |
| 2018-10-02 | ND | |
| 2018-10-02 | ND | |
| 2018-10-09 | ND | |
| 2018-10-09 | ND |