High status or maximum potential High ecological status, or maximum ecological potential (for artificial and heavily modified waterbodies) Good status or potential Good ecological status, or good ecological potential (for artificial and heavily modified waterbodies) Moderate status or potential Moderate ecological status, or moderate ecological potential (for artificial and heavily modified waterbodies) Poor status or potential Poor ecological status, or poor ecological potential (for artificial and heavily modified waterbodies) Bad status or potential Bad ecological status, or bad ecological potential (for artificial and heavily modified waterbodies)