Patent ID: 7254847

Claim:
In combination with a spa having a container ( 20 ) for holding water with a top rim ( 15 ) the improvement being a waterfall structure comprising: a plenum chamber ( 23 ) having walls ( 24 , 26 ), a water inlet ( 39 ) and a water outlet ( 30 ), the outlet being formed from the walls ( 24 , 26 ) of the plenum chamber; a spout ( 13 ) formed from the walls ( 24 , 26 ) of the plenum chamber as a continuation of the water outlet ( 30 ), the spout ( 13 ) passing through the top rim and having a narrow and elongated mouth ( 14 ) and a top ( 17 ) and bottom ( 16 ); a mounting plate ( 25 ) bordering the top and the bottom of the spout where the spout passes through the top rim; and a light source ( 43 ) attached through the mounting plate at the bottom ( 16 ) of the spout ( 13 ) to inject light directly into water falling out of the spout ( 13 ).