Guadalupe River BVET Habitat Survey, Texas Parks and Wildlife Department 2006
Predominant substrate type (>= 50%)
Stream Name: Canyon Tailrace Recorder: Greg Cummings Start: Below Canyon Lake Dam 0.0- 6.3 km Bedrock
Waterbody: 0144 Observer: Josh Duty End: Took out at Whitewater Sports/Hwy 306 Bridge Suitability Index C
Date: September 19, 2006 Notes: R091910A Page __1__ of __3__
CFS:     100                         Predominant Substrate in riffle-run habitat
Unit Unit  Dist Width Depth (cm) Substrate LWD Width Temp Comments 0.0 - 6.3 km
Type # (m) Est (m) Max Ave Dom Sub 1 2 3 4 RW Act (m) (C)    Substrate Substrate Units Present Percent Composition Cumulative Percent
RN 1 281 30 45 30 9 8               No paper data recorded, unit was marked using GPS only Type Number Dominant Subdominant Dominant  Subdominant Dominant Subdominant
R 2 438 35 40 25 9 7   1 1 1         Organic  1 0 0 0 0 0 0
RN 3 505 20 110 85 9 6     1 1         Clay 2 0 0 0 0 0 0
R 4 585 12 110 70 9 6               4th Crossing Silt 3 0 1 0 6 0 6
R 5 2057 8 70 40 7 8     3           Sand 4 0 0 0 0 0 6
R 6 2589 21 65 40 9 8           21   Below low water dam, striper hole Sm. Gravel 5 0 1 0 6 0 12
R 7 3160 28 50 35 7 6     2           Lg. Gravel 6 1 4 6 24 6 35
RN 8 3347 10 90 35 6 5 3   2           Cobble 7 2 2 12 12 18 47
R 9 4501 40 100 45 9 8                 Boulder 8 0 9 0 53 18 100
R 10 4690 25 80 60 9 7   2           SCH out on left, 6 meters wide Bedrock 9 14 0 82 0 100 100
R 11 5477 35 80 35 9 3               SCH out on right, 6 meters wide Total(s) 17 17 100 100
RN 12 5586 31 50 20 9 8                
R 13 5687 28 40 30 9 8               SCH in on right, 6 meters wide
RN 14 5792 30 100 40 9 8                 Predominant substrate type (>= 50%)
R 15 5816 25 80 30 9 6                 6.3 - 11.7 km 6.3-11.7km Bedrock
R 16 5970 21 80 60 9 8           23   SCH in on left, 6 meters wide Substrate Substrate Units Present Percent Composition Cumulative Percent Suitability Index C
R 17 6308 20 50 40 9 8                 Type Number Dominant Subdominant Dominant  Subdominant Dominant Subdominant
R 18 7190 30 90 35 9 8                 Organic  1 0 0 0 0 0 0
R 19 7258 23 30 25 7 9                 Clay 2 0 0 0 0 0 0
RN 20 7315 18 50 30 9 7     2         SCH out left, 10 meters wide Silt 3 0 0 0 0 0 0
R 21 7396 19 25 20 9 7                 Sand 4 0 0 0 0 0 0
R 22 7934 18 90 40 9 8                 Sm. Gravel 5 1 1 7 7 7 7
R 23 9552 27 30 15 9 8 5               Lg. Gravel 6 1 1 7 7 13 13
RN 24 9611 20 30 20 9 8             68   Cobble 7 1 5 7 33 20 47
R 25 10118 25 30 20 9 7                 Boulder 8 2 6 13 40 33 87
R 26 10247 10 60 50 8 7           13     Bedrock 9 10 2 67 13 100 100
RN 27 10416 28 50 40 9 5 2 2   2       SCH in on left Total(s) 15 15 100 100
R 28 10523 28 55 15 9 8   1            
RN 29 10748 31 60 40 6 7                
RN 30 10905 35 40 30 5 6             70   11.7 - 17.1 km
R 31 11017 35 50 40 9 8               Jacob's Creek Trib Substrate Substrate Units Present Percent Composition Cumulative Percent
R 32 11680 12 40 30 8 9               End of day two (Sept. 25, 2006) Type Number Dominant Subdominant Dominant  Subdominant Dominant Subdominant
R 33 12633 32 40 30 8 7               Ponderosa cont'd. Start of Sept. 26, 2006 Organic  1 0 0 0 0 0 0
R 34 13828 25 70 30 9 8     1         SCH out on left, 7 meters wide Clay 2 0 0 0 0 0 0
Predominant substrate types occur in approximately equal amounts
R 35 14350 20 55 40 8 7               Mountain Creek enters on right Silt 3 0 0 0 0 0 0 11.7-17.1 km Lg. Gravel, Cobble, Boulder (54% of substate)
RN 36 14571 17 60 15 9 8 40 2 2 2   23     Sand 4 0 0 0 0 0 0 Bedrock (46% of substate)
R 37 14792 25 40 30 8 7 60 15 10 5       Devil's Playground Sm. Gravel 5 0 1 0 8 0 8 Suitability Index B / C
R 38 14870 20 25 20 7 6                 Lg. Gravel 6 1 2 8 15 8 23
R 39 15118 10 50 35 7 8                 Cobble 7 3 4 23 31 31 54
RN 40 15176 15 50 40 7 6 5   2 3         Boulder 8 3 6 23 46 54 100
R 41 15287 4 30 20 6 5                 Bedrock 9 6 0 46 0 100 100
R 42 16176 18 100 50 9 8                 Total(s) 13 13 100 100
R 43 16430 15 40 30 9 8               Debris jam under Ingram bridge
RN 44 16631 22 40 20 9 8 40   5 6        
RN 45 16904 22 50 40 9 7 30 8 3 2     71