DDT
Centralia
10
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 | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-08 | 4051504-01 | ND |
| 2015-05-20 | 5053197-01 | ND |
| 2016-05-19 | 6053271-01 | ND |
| 2016-11-02 | 6110939-01 | ND |
| 2017-05-10 | 7052055-01 | ND |
| 2017-08-15 | 7083222-01 | ND |
| 2017-10-24 | 7104551-01 | ND |
| 2018-02-20 | 8023339-01 | ND |
| 2018-05-15 | 8053062-01 | ND |
| 2019-05-18 | 9054506-01 | ND |