4,4'-dde
Stevens Co. PUD - Halfmoon Ranchos
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-11-10 | ND | |
| 2016-11-10 | ND | |
| 2019-06-25 | ND | |
| 2019-06-25 | ND | |
| 2019-08-23 | ND | |
| 2019-08-23 | ND |