| Year |
Name |
Location |
Acreage |
Public Access? |
| 1978 | Great Marsh | Greenway near Copper Hill Rd | 56.8 | Yes |
| 1979 | Old Newgate Ridge | 3 parcels adjacent to Metacomet Trail near Route 20 | 28.9 | Yes |
| 1979 | Ian Clark Preserve fka Newgate Farm | Kimberly Rd | 13.4 | Yes |
| 1979 | Coppergate | Coppergate Rd (private) | 7.8 | Restricted |
| 1989 | Eastfield Farms | Wintergreen Lane | 41.98 | Yes |
| 1992 | Metacomet A | Near Metacomet Trail | 3.12 | Restricted |
| 1994 | Pond Meadow | Pond Lane | 11.11 | Yes |
| 1997 | 68 Newgate Rear | Behind residence | 3.4 | Restricted |
| 1997 | Metacomet B and C | Metacomet Dr, Seneca Dr | 12.99 | Restricted |
| 1997 | Country Club | Adjacent to Great Marsh | 34.26 | Yes |
| 2001 | South Subdivision | Adjacent to Great Marsh | 23.87 | Yes |
| 2004 | Griffin Marsh | Holcomb St | 11.86 | Yes |
| 2006 | Fieldstone | Fieldstone Rd | 16.4 | Yes |
| 2018 | Algren Preserve | West of state and Eversource land west of Greeenway, north of Route 20 | 17.6 | Yes |
| 2021 | Tom and Ginny Howard Education Preserve | Behind Seymour School and abutting Granbrook Park | 15 | Yes |
| 2021 | Riverbend | Two parcels, one in Granby, near the Greenway | 23.7 | Yes |
| 2021 | | Total | 322.2 | |
