REPORT OF INVESTIGATIONS No. 40


 The Escambia River has an average flow of 4.5 bgd. Pine
Creek is a tributary stream in northern Escambia County and
average flow of 184 mgd. Canoe Creek in northeast Escambia
has an estimated flow of 50 mgd, and Moore Creek in Santa Rosa
has a computed flow of 40 mgd.


Barren
has an
County
County


Table 1. Drainage areas and average flows of streams in Escambia and Santa Rosa
 counties, Florida

 Drainage Area Average Flow
 (square miles) (million gallons per day)
 1ItvKn BASIN
 In Escambia From Escnambia
 Total and Santa Rosa From basin and Santa Rosa
 counties counties

Perdido Iiver ............... 02 230 *1,120 **284
Brushy Creek ....... ...... 75 53 00 05
McDavid Creek ............ 34 34 40 40
.lucks Branch... .......... 24 24 1i> 10
BVayou Malrcus Creek ....... 20 20 *00 **00
Carpenter Creek .. ... ... 18 18 *20 **20
Escamubia River........... 4.,233 410 *4,540 **556
Pine Barren Creek ........... 8 85 134 116
Moore Crek ................ 32 32 40 40
Canoe Creek................ 37 24 50 30
Blackwater River............ 800 580 *900 **710
Pond Creek................. 88 88 80 80
Big Coldwater Creek......... 241 228 350 330
Big Juniper Creek........... 140 134 170 155
Ytllow River .............. 1,305 115 *1,620 **130
Coastal Drainage............ 300 300 *220 **220

 Total Flow into Bays....... ................................ 8,540
 ** Total Flow from Counties... ..... ............ .................. .... 1,908

 The average flow from the Blackwater River basin is 960 mgd. About
three-fourths, or 710 mgd, is derived from Santa Rosa County. Most of
the remaining 250 mgd is from Okaloosa County, with a small amount
coming from Alabama. Pond Creek has an average flow of 80 mgd. Big
Coldwater Creek has the largest flow (350 mgd) of any tributary in the
Blackwater River basin. Big Juniper Creek has an average flow of about
170 mgd.
 An average flow of about 1,620 mgd enters Blackwater Bay from the
 Yellow River. Most of this flow comes from counties to the east.