| Document | Author | Date |
| Workplan | Peabody | 06.06.2017 |
| Approval of Workplan | SWQB | 01.12.2018 |
| Draft UAA | Peabody | May 2018 |
| Comments to Draft UAA | SWQB | 08.24.2018 |
| Comments to Draft UAA | EPA | 09.26.2018 |
| Revised UAA Submitted to NMED (See Exhibits in Pleadings Log) | Peabody | 11.06.2018 |
| Public Notice and Notice of Meeting | Peabody | 02.27.2019 |
| Comments to UAA | SWQB | 03.29.2019 |
| WQCC Pleadings Log | WQCC | Various Dates |
| Final Order and Statement of Reasons | WQCC | 11.04.2019 |
| Integrated Rule 20.6.4 NMAC effective for State purposes | SWQB | 12.17.2019 |
| Submittal Letter to EPA | SWQB | 01.03.2020 |
| EPA Technical Support Document Approving for CWA Purposes | EPA | 04.09.2020 |
