Appendix I Canning River Fan Stream Data
Table 1: Available Stream Width and Bankfull Data Collected on the Canning River Fan Within 5 Miles of the Coast Stream Width (ft) Ordinary Top of Flood- Site Drainage Area Gravel in High Low Flow plain Bankfull Stream ID Location b,c (sq. mi.) Channel Water d Banks e Breaks f Width (ft) Max Depth (ft) Reference 1 West Badami Cr. 25 25 25 25 50 URS, 2003b PLX01 40.3 30-56 58-91 3.6-4.8 MBJ 1998 2 Middle Badami Cr. 24 2 2 2 ----- URS, 2003b PLX02 31.5 4-13 45-56 3.6-4.2 MBJ 1998 3 East Badami Cr. 23 270 270 270 520 URS 2003b PLX03 88.7 143-301 220-330 3.0-5.2 MBJ 1998 4 "O" Creek 21 - East g 4 4 25 300 f URS 2003b 21 - West g 0 9 28 URS 2003b PLX04 7.49 14-36 41-58 1.8-3.4 MBJ 1998 6 "N" Creek 20 14 14 14 200 URS 2003b PLX06 23.8 12-24 56-66 3.2-3.7 MBJ 1998 7 "M" Creek 19 12 12 12 67 URS 2003b PLX07 3.46 4-32 93-107 3.6-4.3 MBJ 1998 8 No Name Drainage 1 PLX08 1.35 0 40-70 1.4-1.5 MBJ 1998 9 "L" Creek 18 3 3 3 90 URS 2003b PLX09 41.4 16-18 85-145 4.0-4.7 MBJ 1998 10 "K" Creek 17 3 3 3 100 URS 2003b PLX10 11.3 5-10 54-89 2.2-3.4 MBJ 1998 11 "J" Creek 16 17 17 17 110 URS 2003b PLX11 4.87 11-13 35-57 2.7-4.5 MBJ 1998 12 "I" Creek 15 12 12 12 160 URS 2003b PLX12 13.2 45-53 66 2.8-3.1 MBJ 1998 15 "G" Creek 13 18 18 18 50 URS 2003b PLX15 5.41 13-16 51-56 2.4-5.2 MBJ 1998 16 "F" Creek 12 27 27 27 70 URS 2003b PLX16 32.1 18-19 93-111 2.6-4.1 MBJ 1998 21 "D" Creek PLX21 8.24 30 1 MBJ 1998 1
Table 1: Available Stream Width and Bankfull Data Collected on the Canning River Fan Within 5 Miles of the Coast Stream Width (ft) Ordinary Top of Flood- Site Drainage Area Gravel in High Low Flow plain Bankfull Stream ID Location b,c (sq. mi.) Channel Water d Banks e Breaks f Width (ft) Max Depth (ft) Reference 22 "C" Creek 1 10 10 10 200 URS 2003b PLX22 3.0 11-13 46-104 2.5-3.6 MBJ 1998 23 Creek 23 PLX23 0-6 39-60 2 MBJ 1998 24 "B" Creek 27 37 41 41 205 URS 2003b PLX24 12.9 18-60 101-109 5.7-6.5 MBJ 1998 26 "S" Creek PLX26 18-26 46-68 2.9-4.4 MBJ 1998 27 "R" Creek PLX27 1.61 18-64 41-79 2.0-3.2 MBJ 1998 28 "A" Creek PLX28 18 27-114 70-125 3.1-5.6 MBJ 1998 PLX29 17.7 25 49 6.2 MBJ 1998 Notes: a ExxonMobil 2009b b Based on a visual inspection of the maps contained in the referenced documents, the pipeline alignment monitored by URS (2003b) appears to be approximately the same pipeline alignment monitored by PND (2009a). c Based on a visual inspection of the maps contained in the referenced documents, the pipeline alignment monitored by Michael Baker Jr., Inc. (1998) is usually within one-half mile of the pipeline alignment monitored by PND (2009a). It is often closer to the coast. d Measurement was made at the spring peak stage. e Estimate of spring peak discharge based on extrapolation from other measurements. f The exact date of the measurement was not provided, assumption is that is was between May 27th and June 13th, the period during which field measurements were made. g This stream was measured multiple times throughout the season within 1,000 feet of the pipeline crossing. 2
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference 1 West Badami Cr. P2010-01 51.5 2010 June 10 455.3 4.5 32 WP & PND 2010 P2009-01 52.1 2009 June 6 222.3 2 40 2.9 PND 2009a 25 2003 June 3 70 URS, 2003b PLX01 1998 May 29 < 2 c 459 d 8.6 d MBJ 1998 2 Middle Badami Cr. P2010-02 23.5 2010 June 10 267.1 2.9 72 WP & PND 2010 P2009-02 23.1 2009 June 8 232 2.8 54 1.5 PND 2009a 24 2003 June 5 220 URS, 2003b 24 2003 June 6 180 URS, 2003b 24 2003 June 8 70 URS, 2003b PLX02 1998 June 29 < 2 d 358 d 10.9 d MBJ 1998 3 East Badami Cr. P2010-03 93.0 2010 June 7 1279.7 6.4 247.9 WP & PND 2010 P2009-03 95.8 2009 June 10 174 1.4 93 2 PND 2009a 23 2003 June 5 3480 4.7 448 1.7 2.6 URS 2003b 23 2003 June 5 4200 e URS 2003b 23 2003 June 6 2330 3.9 417 1.4 2.8 URS 2003b 23 2003 June 7 1530 3.8 213 1.9 3.4 URS 2003b 23 2003 June 8 909 2.8 207 1.6 2.7 URS 2003b 23 2003 July 1 15 0.7 44 0.5 1 URS 2003b PLX03 1998 May 29 > 5 d 276 d 6 d MBJ 1998 PLX03 1998 June 1 596 1.94 143 2.1 3.2 MBJ 1998 MP 31.8 1982 July 2 DM 1983 MP 31.8 1983 July 15 2.46 DM 1983 MP 31.8 1983 Aug 22 0.81 DM 1983 MP 31.8 1983 Sept 15 23.4 DM 1983 3
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference 4 "O" Creek P2010-04 4.0 2010 June 12 21.1 0.9 20 WP & PND 2010 P2009-04 5.6 2009 June 10 21 1 18 2.5 PND 2009a 21 2003 June 5 430 URS 2003b 21 2003 June 8 300 URS 2003b O1 2002 Aug 7 0.5-1 (est.) Winters 2004 PLX04 1998 May 29 < 2.5 d 200 d 4.0 d MBJ 1998 PLX04 1998 May 30 225 1.63 132 1 2.7 MBJ 1998 6 "N" Creek P2010-05 16.5 2010 June 12 83.4 2.6 40 WP & PND 2010 P2009-05 17.8 2009 June 8 194 2.4 61 2.5 PND 2009a 20 2003 June 5 1100 e URS 2003b 20 2003 June 6 734 3.2 159.5 1.5 2.6 URS 2003b 20 2003 June 7 390 3.1 96 1.3 2.3 URS 2003b 20 2003 June 8 230 2.1 72 1.5 3.7 URS 2003b 20 2003 June 30 0.5 0.27 5.5 0.3 0.5 URS 2003b PLX06 1998 May 29 335 e 5.8 e MBJ 1998 PLX06 1998 June 1 207 2.47 56 1.49 3.4 MBJ 1998 7 "M" Creek P2010-06 2.5 2010 June 12 29.6 1.8 13 WP & PND 2010 P2009-06 4.2 2009 June 8 55 2.1 24 3.2 PND 2009a 19 2003 June 5 770 g URS 2003b 19 2003 June 5 76.6 g 2.41 21 1.5 2.6 URS 2003b 19 2003 June 6 >100 URS 2003b 19 2003 June 6 135 2.18 24 2.6 3.4 URS 2003b 19 2003 June 7 140 e URS 2003b 19 2003 June 8 60 URS 2003b 19 2003 June 8 86.8 1.37 25 2.5 3.1 URS 2003b 19 2003 June 30 0.6 0.08 11.5 0.7 1.3 URS 2003b 4
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference 19 2003 July 2 0.4 0.1 5.2 0.7 1 URS 2003b PLX07 1998 May 29 168 d 5.2 d MBJ 1998 PLX07 1998 June 1 82.3 2 52 0.79 1.3 MBJ 1998 8 No Name Drainage 1 PLX08 1.35 1998 MBJ 1998 PLX08 1998 May 29 80 d 1.6 d MBJ 1998 PLX08 1998 June 1 13 0.93 23 0.61 0.9 MBJ 1998 9 "L" Creek P2010-07 31.0 2010 June 9 342.0 2.8 73 WP & PND 2010 P2009-07 39.1 2009 e e 296 2.6 60 1.7 PND 2009a 18 2003 June 5 380 URS 2003b 18 2003 June 8 90 URS 2003b L1 2002 Aug 7 1 (est.) Winters 2004 PLX09 1998 May 29 > 5 d 290 d 5.3 d MBJ 1998 PLX09 1998 May 30 ~600 ~3.9 ~97 ~1.6 2.3 MBJ 1998 MP 38.0 1983 July 15 0.3 DM 1983 MP 38.0 1983 Aug 22 0.0 DM 1983 MP 38.0 1983 Sept 15 4.2 DM 1983 10 "K" Creek P2010-08 8.5 2010 June 11 130.0 1.6 63 WP & PND 2010 P2009-08 18.7 2009 June 8 184 1.6 63 2.2 PND 2009a 17 2003 June 8 70 URS 2003b PLX10 1998 May 29 > 3 d ~440 d 5.2 d MBJ 1998 PLX10 1998 June 1 176 2.3 73 1.1 2.2 MBJ 1998 11 "J" Creek P2010-09 2.0 2010 June 11 49.1 2.4 19 WP & PND 2010 P2009-09 2.2 2009 f f 49 2.1 22 1.9 PND 2009a 16 2003 June 8 50 URS 2003b J1 2002 Aug 7 1-2 (est.) Winters 2004 PLX11 1998 May 29 > 1 d ~304 d 4.2 d MBJ 1998 5
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference PLX11 1998 June 1 65 1.0 64 1.0 3 MBJ 1998 12 "I" Creek P2010-10 22.0 2010 June 11 170.8 2.4 64 WP & PND 2010 P2009-10 22.6 2009 e e 175 1.6 83 3 PND 2009a 15 2003 June 6 >1000 URS 2003b 15 2003 June 8 140 URS 2003b PLX12 1998 May 29 > 3 d 202 d 5.9 d MBJ 1998 PLX12 1998 June 1 245 1.7 93 1.5 3 MBJ 1998 13 "H" Creek H1 2002 Aug 6 0.5 (est.) Winters 2004 14 15 "G" Creek P2010-11 16.5 2010 June 11 73.2 2.8 24 WP & PND 2010 P2009-11 16.7 2009 f f 31 1.5 22 2.5 PND 2009a 13 2003 June 6 110 URS 2003b 2003 June 8 50 URS 2003b G1 2002 Aug 3 2 (est.) Winters 2004 PLX15 1998 May 29 > 3.5 d 243 d 6.6 d MBJ 1998 PLX15 1998 June 3 49 1.1 27 1.7 3.5 MBJ 1998 16 "F" Creek P2010-12 19.0 2010 June 11 65.4 1.9 28 WP & PND 2010 P2009-12 18.4 2009 f f 48 1.5 25 2.3 PND 2009a 12 2003 June 6 80 URS 2003b 12 2003 June 8 50 URS 2003b F2 2002 Aug 3 1 (est.) Winters 2004 PLX16 1998 May 29 > 5.0 d 101 c 3.2 d MBJ 1998 PLX16 1998 May 30 254 ~ 4.1 38 ~ 2.6 MBJ 1998 18a Creek 18a R2010-01 1.5 2010 June 9 51.8 2.1 45 WP & PND 2010 R2009-01 0.9 2009 f f 33 1.3 15 1.7 PND 2009a 18b "E" Creek R2010-02 6.0 2010 June 9 138.0 1.8 51 WP & PND 2010 6
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference R2009-02 9.6 2009 June 6 193 1.9 53 3 PND 2009a 21 "D" Creek R2010-03 11.0 2010 June 9 118.1 1.3 110 WP & PND 2010 R2009-03 8.1 2009 June 13 171 1.8 87 1.6 PND 2009a 22 "C" Creek R2010-04 11.0 2010 June 8 152.9 2.9 29.9 WP & PND 2010 P2009-16 1.8 PND 2009a 1 2003 June 6 165 URS 2003b 1 2003 June 8 90 URS 2003b 1 2003 June 11 URS 2003b PLX22 1998 MBJ 1998 PLX22 1998 May 29 < 2.5 d ~ 204 d 5.5 d MBJ 1998 PLX22 1998 May 31 117 1.36 78 1.11 2.7 MBJ 1998 R2009-04 1.5 2009 June 13 171 2.1 46 3 PND 2009a 23 Creek 23 R2010-05 0.50 2010 June 9 23.2 1.7 12 WP & PND 2010 P2009-17 0.5 2009 f f 7.5 0.6 12 1.5 PND 2009a PLX23 1998 May 29 < 2.5 d 60 d 2.0 d MBJ 1998 24 "B" Creek Gravel Mine Recharge Channel 10.0 2010 June 8 349.1 4.2 60.7 WP & PND 2010 Site #3 10.0 2010 June 8 432.1 4.5 50.8 WP & PND 2010 Gravel Mine Recharge Channel 10.0 2010 June 11 67.6 1.8 45 WP & PND 2010 Site #3 10.0 2010 June 11 62.5 0.8 41 WP & PND 2010 27 2003 June 3 205 URS 2003b 27 2003 June 4 55.4 2.9 54 0.4 1.4 URS 2003b 27 2003 June 5 170 0.49 333 1.1 1.9 URS 2003b 7
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference 27 2003 June 6-7 1500 e URS 2003b 27 2003 June 7 324 3.52 58 1.6 2.7 URS 2003b 27 2003 June 8 162 2.45 33 2.0 3.0 URS 2003b 27 2003 June 9 89 1.7 36 1.5 2.7 URS 2003b 27 2003 June 10 67 1.5 36 1.3 2.4 URS 2003b 27 2003 June 11 49 1.4 35 1.0 2.2 URS 2003b 27 2003 June 12 34 1.2 36 0.8 1.9 URS 2003b 27 2003 June 13 28 1.1 35 0.7 1.8 URS 2003b 27 2003 July 1 0.4 0.1 10 0.6 0.9 URS 2003b 27 2003 July 2 0.8 0.4 7 0.4 0.6 URS 2003b PLX24 1998 May 29 < 3.0 d 202 d 7.8 d MBJ 1998 PLX24 1998 May 31 271 2.9 74 1.3 2.7 MBJ 1998 24b R2010-06 7.0 2010 June 8 259.1 3.2 35.8 WP & PND 2010 R2010-06 7.0 2010 June 11 51.0 2.0 19 WP & PND 2010 Site #2 7.0 2010 June 11 52.8 1.7 18 WP & PND 2010 R2009-06 0.6 2009 June 13 178 2.1 46 3 PND 2009a 24a R2010-07 2.5 2010 June 8 98.5 2.5 40 WP & PND 2010 R2010-07 2.5 2010 June 11 15.2 2.8 9 WP & PND 2010 Site #9 3.0 2010 June 8 84.4 3.2 26 WP & PND 2010 Site #9 3.0 2010 June 11 13.3 1.8 13 WP & PND 2010 R2009-07 0.2 2009 June 13 27 2.9 12 1.5 PND 2009a 26 "S" Creek R2010-08 2.0 2010 June 9 5.3 0.3 18 WP & PND 2010 P2009-19 7.7 2009 June 9 12 1.6 17 1.9 PND 2009a S1 2003 July 9 0 Winters 2004 8
Stream ID Table 2: Available Streamflow Data on the Canning River Fan Within 5 Miles of the Coast Date Data Collected Velocity (fps) Stream Flow Measurements Water Surface Width (ft) Flow Depth (ft) Site Location b,c Area (sq. mi.) Year Month Day Discharge Max Flow Depth (ft) Reference PLX26 1998 May 29 < 2.0 d 260 d 3.9 d MBJ 1998 27 "R" Creek P2009-20 0.7 2009 June 9 37 2.1 18 1.9 PND 2009a R1 2003 July 9 1 (est.) Winters 2004 PLX27 1998 May 30 < 3.0 d 101 d 2.8 d MBJ 1998 PLX27 1998 May 31 81 1.7 37 1.3 2.4 MBJ 1998 28 "A" Creek PLX28 18 1998 May 31 391 3.31 74.4 2.4 MBJ 1998 Notes: a ExxonMobil 2009b b Based on a visual inspection of the maps contained in the referenced documents, the pipeline alignment monitored by URS (2003b) appears to be approximately the same pipeline alignment monitored by PND (2009a). c Based on a visual inspection of the maps contained in the referenced documents, the pipeline alignment monitored by Michael Baker Jr., Inc. (1998) is usually within one-half mile of the pipeline alignment monitored by PND (2009a). It is often closer to the coast. d Measurement was made at the spring peak stage. e Estimate of spring peak discharge based on extrapolation from other measurements. f The exact date of the measurement was not provided, assumption is that it was between May 27th and June 13th, the period during which field measurements were made. 9
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Stream ID Table 3: Summary of Flood Peak Discharge Estimates of Streams on the Canning River Fan Within 5 Miles of the Coast Site b,c Drainage Area (sq. mi.) 2-Yr Annual Flood Peak Discharge 1 West Badami Cr. P2010-01 51.5 1,200 1,900 2,300 2,900 3,300 3,600 4,000 4,500 2 Middle Badami Cr. P2010-02 23.5 600 900 1,200 1,500 1,700 1,900 2,100 2,400 3 East Badami Cr. P2010-03 93.0 1,900 2,900 3,600 4,400 5,000 5,500 6,100 6,800 4 "O" Creek P2010-04 4.0 100 200 250 300 350 400 450 500 6 "N" Creek P2010-05 16.5 400 650 800 1,000 1,100 1,300 1,500 1,700 7 "M" Creek P2010-06 2.5 75 125 150 200 220 270 300 350 8 No Name Drainage 1 PLX08 1.35 37 62 79 101 118 134 150 172 9 "L" Creek P2010-07 31.0 700 1,200 1,400 1,700 2,000 2,200 2,500 2,800 10 "K" Creek P2010-08 8.5 250 350 450 550 650 750 900 1,000 11 "J" Creek P2010-09 2.0 50 100 125 175 200 225 250 300 12 "I" Creek P2010-10 22.0 600 900 1,000 1,300 1,500 1,600 1,800 2,100 13 "H" Creek PLX13 6.82 155 252 317 399 460 520 579 656 15 "G" Creek P2010-11 16.5 400 650 800 1,000 1,100 1,300 1,500 1,700 16 "F" Creek P2010-12 19.0 500 700 900 1,100 1,300 1,500 1,600 1,900 18a Creek 18a P2010-13 2.0 50 100 125 175 200 225 250 300 5-Yr 10-Yr 25-Yr 50-Yr 100-Yr 200-Yr 500-Yr R2010-01 1.5 50 90 110 140 160 190 210 240 18b "E" Creek P2010-14 6.5 200 300 350 450 520 600 650 740 R2010-02 6.0 170 270 340 430 500 560 620 710 19 PLX20 3.29 81 134 170 215 249 282 315 359 21 "D" Creek P2010-15 12.0 320 520 650 810 930 1,050 1,160 1,300 R2010-03 11.0 300 500 600 750 900 1,000 1,100 1,300 22 "C" Creek P2010-16 11.5 320 510 640 800 920 1,050 1,150 1,300 R2010-04 11.0 300 500 600 750 900 1,000 1,100 1,300 PLX22 3.0 75 123 157 199 230 261 292 333 11
Stream ID Table 3: Summary of Flood Peak Discharge Estimates of Streams on the Canning River Fan Within 5 Miles of the Coast Site b,c Drainage Area (sq. mi.) 2-Yr 5-Yr Annual Flood Peak Discharge 23 Creek 23 P2010-17 1.0 30 50 60 80 100 110 120 140 10-Yr 25-Yr 50-Yr 100-Yr 200-Yr 500-Yr R2010-05 0.50 10 20 30 40 45 50 60 70 24 "B" Creek P2010-18 10.5 250 450 550 700 800 900 1,000 1,100 Minesite Recharge 10.0 260 410 520 650 750 850 950 1,100 Site 3 10.0 250 410 520 650 750 850 950 1,100 24b "B" Creek West R2010-06 7.0 200 300 400 450 550 600 700 800 Site 2 7.0 210 320 420 480 580 650 750 850 24a "B" Creek East R2010-07 2.5 80 130 170 210 250 280 310 360 Site 9 3.0 90 150 180 230 270 310 350 400 26 "S" Creek P2010-19 2.0 70 110 140 180 210 240 270 310 R2010-08 1.0 40 60 80 100 120 140 150 180 27 "R" Creek P2010-20 1.0 30 50 60 80 100 110 120 140 R2010-09 0.050 2 3 4 5 6 7 8 10 28 "A" Creek PLX28 18 369 586 730 910 1,042 1,171 1,298 1,463 Notes: a ExxonMobil 2009b b Source: Michael Baker Jr., Inc. 1998. c Source: : WorleyParsons and PND Engineers, Inc. 2010 PLX29 17.7 364 577 720 897 1,027 1,155 1,280 1,443 12