| Organization / Program Name(s) | Located In |
|---|---|
| Maitland Valley Conservation Authority, Wroxeter | Howick |
| Maitland Valley Conservation Authority, Wroxeter, Middle Maitland Rejuvenation Committee | Howick |
| Ontario. Ministry of Environment, Conservation and Parks, Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |