123 



TABLE IV 

 DRAINAGE AREAS OF THE SANTA MONICA BAY AREA 



1. Total Area: 



Mountainous region (elevations to 2,500»)— ----- 217 sq. mi. 



Coastal plain region (below 500*)--- 120 



Areas adjacent to coast without well 



developed drainage-- — ■ 10 



Total 347 sq. mi, 



2. Area Southeast of Santa Monica Harbor: 



Ballona Creek Watershed-- 131 sq. mi, 



Renter Canyon Watershed---- 10 



Sand Dunes and northern Palos Verdes Hills 19 



Total --• -—-.-- . 160 sq. mi, 



3. Area Northwest of Santa Monica Harbor: 



Malibu Creek Watershed- — — - 109 sq. mi. 



All other smaller watersheds 78 



Total ■- — — '--- • 187 sq. mi, 



