- Type: Dam
- Area: Derbyshire
- Utilities: Water supply to Stockport.
- River: Goyt
- Power Capacity: 4.2 million m3
- Water Capacity:
- Owner: United Utilities
- Shareholders:
- Activity since: 1967
- Contact:
- Coordinates: 53.278504,-1.978234
- Address: Buxton, Derbyshire
- Email:
- Phone:
- Web:
- Wikipedia: http://en.wikipedia.org/wiki/Errwood_Reservoir
