1 full water bucket per team.
1 cone, stick, or marker per team.

Draw start line and place cone about 30-40 feet out from start.

Have patrols line up single file at start line.
Each patrol leader is given bucket of water.
On 'Go' signal, patrol leader runs out around cone and back to end of line. He passes the bucket to the scout ahead of him who does the same up to the first scout in line who runs around the cone.
Repeat for 10 laps.
The first team to complete 10 laps gets 15 points, second team gets 10 points, third team gets 6 points - minus 3 points for each 1/2 inch of water lost.
Special 5 point bonus for the patrol with the most water remaining.