DDT
Charleston
6
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 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-24 | 4043806-01 | ND |
| 2015-04-08 | 5041387-01 | ND |
| 2016-05-02 | 6050618-01 | ND |
| 2017-04-06 | 7041195-01 | ND |
| 2018-04-10 | 8042404-01 | ND |
| 2019-04-02 | 9040714-01 | ND |