trans-Nonachlor
Porter SUD
21
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-04 | AC45570 | ND |
| 2015-04-13 | AC88025 | ND |
| 2015-04-13 | AC88023 | ND |
| 2015-04-13 | AC88024 | ND |
| 2015-04-13 | AC88022 | ND |
| 2015-06-15 | AC96098 | ND |
| 2016-01-12 | AD17678 | ND |
| 2016-01-12 | AD17677 | ND |
| 2017-01-19 | AD65894 | ND |
| 2018-01-09 | AE08455 | ND |
| 2018-01-09 | AE08454 | ND |
| 2018-04-05 | AE21509 | ND |
| 2018-08-31 | AE39195 | ND |
| 2018-08-31 | AE39192 | ND |
| 2018-10-10 | AE43324 | ND |
| 2019-01-23 | AE51041 | ND |
| 2019-01-23 | AE51042 | ND |
| 2019-01-23 | AE51043 | ND |
| 2019-04-08 | AE61484 | ND |
| 2019-07-26 | AE76284 | ND |
| 2019-10-15 | AE86687 | ND |