Simplify the following text for a Grade 7 native English-speaking person.
Original: Downstream of the dam , Tujunga Wash flows roughly south and is met halfway to its confluence with the Los Angeles River by Pacoima Wash , which drains the other side of the mountains that Little Tujunga Wash drains .
Simplified: Downstream , the Tujunga Wash flows south and halfway to the Los Angeles River , is met by the Pacoima Wash. .