| Site | Latitude | Longitude | Access |
|---|---|---|---|
| DEP/Quabbin Reservoir | 42°16'48.019" | 72°20'52.427" | DEP network |
| University of Rhode Island | 41°29'20.175" | 71°31'39.763" | Internet |
| Vermont DOT | 44°15'43.104" | 72°34'56.556" | Telephone |
| Connecticut DOT | 41°40'24.718" | 72°42'52.25" | Telephone |