DDT
Hillsboro
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 | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-21 | 4053213-01RE1 | ND |
| 2015-04-14 | 5042337-01 | ND |
| 2016-05-11 | 6051895-01 | ND |
| 2016-06-14 | 6062553-01 | ND |
| 2016-11-07 | 6111293-01 | ND |
| 2017-01-23 | 7013227-01RE1 | ND |
| 2017-04-10 | 7041815-01 | ND |
| 2017-08-21 | 7084092-01 | ND |
| 2018-06-04 | 8061040-01 | ND |
| 2019-04-16 | 9043720-01 | ND |