Possible Clues:

• State support for golf channel
• Channel running parallel to a lane in tenpin bowling
• Bowling lane feature
• Government-speak for one of those going down the drain
• Good total viewing dirty channel?
• Water-mover on a house
• It carries away the waste from a fish cleaner
• Pull over half-sister and threaten to go out
• Bowling alley border
• One's content to eliminate golf, say