| Unknown |
| Gazetted Burragorang State Rec to top water level 117m 1991 |
| Gazetted Nattai National Park to top water level 117m 1991 |
| Gazetted Nattai State Rec to top water level 117m 1991 |
| Gazetted Nattai Wilderness Area 1991 |
| Gazetted Yerranderie State Rec to top water level 117m 1991 |
| Initial transfer of title (SW to SCA) by Governor Order 1999 |
| NPWS Proclamation as Park 2002 |
| SCA to NP as Upper Nepean State Recreation Reserve 2007 |
| Transfer from SCA to NPWS 2002 |
| Transfer from SCA to NPWS 2002 - NPWS Proclamation as Park |