Related Clues:

• Flood - thoroughly
• Water - thoroughly
• Healthy - source of water
• Spring - in good condition
• Healthy - water supply
• Spring - in good health
• Source of oil - healthy - goodness!
• Healthy — water supply
• Borehole
• Not sick
• Hardly rare, in restaurants
• 'Now that you mention it ...'
• ''Let me see . . .''
• 'Very interesting ...'
• 'Now that you mention it...'