Only show huc12 View if there's an active huc12
Only show huc12 View if there's an active huc12

The huc12 view should only be rendered if there's
an active huc12 to populate it with.

WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed