Region
- Monument Valley (Ariz. and Utah)1
- Naval Ordnance Station Louisville (Ky.)1
- New JerseyCumberland County1
- New JerseyKettle Creek Watershed1
- New JerseyMaurice River1
- New JerseyMetedeconk River Watershed1
- New JerseyMonmouth County1
- New JerseySalem County1
- New JerseySalem River Watershed Region1
- New JerseyToms River Watershed1
- New York (State)Dutchess County1
- New York (State)Herkimer County1
- New York (State)Sullivan County1
- New York (State)Tioga County1
- New York (State)Ulster County1
- Ogallala Aquifer1
- Puerto RicoSalinas1
- Roubidoux Aquifer1
- Salem River Watershed Region (N.J.)1
- Springfield Plateau Aquifer1