Appendix I. Canning River Fan Stream Data

Transcription

1 Appendix I Canning River Fan Stream Data

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3 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 URS, 2003b PLX MBJ Middle Badami Cr URS, 2003b PLX MBJ East Badami Cr URS 2003b PLX MBJ "O" Creek 21 - East g f URS 2003b 21 - West g URS 2003b PLX MBJ "N" Creek URS 2003b PLX MBJ "M" Creek URS 2003b PLX MBJ No Name Drainage 1 PLX MBJ "L" Creek URS 2003b PLX MBJ "K" Creek URS 2003b PLX MBJ "J" Creek URS 2003b PLX MBJ "I" Creek URS 2003b PLX MBJ "G" Creek URS 2003b PLX MBJ "F" Creek URS 2003b PLX MBJ "D" Creek PLX MBJ

4 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 URS 2003b PLX MBJ Creek 23 PLX MBJ "B" Creek URS 2003b PLX MBJ "S" Creek PLX MBJ "R" Creek PLX MBJ "A" Creek PLX MBJ 1998 PLX 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

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 1 West Badami Cr. P June WP & PND 2010 P June PND 2009a June 3 70 URS, 2003b PLX May 29 < 2 c 459 d 8.6 d MBJ Middle Badami Cr. P June WP & PND 2010 P June PND 2009a June URS, 2003b June URS, 2003b June 8 70 URS, 2003b PLX June 29 < 2 d 358 d 10.9 d MBJ East Badami Cr. P June WP & PND 2010 P June PND 2009a June URS 2003b June e URS 2003b June URS 2003b June URS 2003b June URS 2003b July URS 2003b PLX May 29 > 5 d 276 d 6 d MBJ 1998 PLX June MBJ 1998 MP July 2 DM 1983 MP July DM 1983 MP Aug DM 1983 MP Sept DM

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 4 "O" Creek P June WP & PND 2010 P June PND 2009a June URS 2003b June URS 2003b O Aug (est.) Winters 2004 PLX May 29 < 2.5 d 200 d 4.0 d MBJ 1998 PLX May MBJ "N" Creek P June WP & PND 2010 P June PND 2009a June e URS 2003b June URS 2003b June URS 2003b June URS 2003b June URS 2003b PLX May e 5.8 e MBJ 1998 PLX June MBJ "M" Creek P June WP & PND 2010 P June PND 2009a June g URS 2003b June g URS 2003b June 6 >100 URS 2003b June URS 2003b June e URS 2003b June 8 60 URS 2003b June URS 2003b June URS 2003b 4

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 July URS 2003b PLX May d 5.2 d MBJ 1998 PLX June MBJ No Name Drainage 1 PLX MBJ 1998 PLX May d 1.6 d MBJ 1998 PLX June MBJ "L" Creek P June WP & PND 2010 P e e PND 2009a June URS 2003b June 8 90 URS 2003b L Aug 7 1 (est.) Winters 2004 PLX May 29 > 5 d 290 d 5.3 d MBJ 1998 PLX May 30 ~600 ~3.9 ~97 ~ MBJ 1998 MP July DM 1983 MP Aug DM 1983 MP Sept DM "K" Creek P June WP & PND 2010 P June PND 2009a June 8 70 URS 2003b PLX May 29 > 3 d ~440 d 5.2 d MBJ 1998 PLX June MBJ "J" Creek P June WP & PND 2010 P f f PND 2009a June 8 50 URS 2003b J Aug (est.) Winters 2004 PLX May 29 > 1 d ~304 d 4.2 d MBJ

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 PLX June MBJ "I" Creek P June WP & PND 2010 P e e PND 2009a June 6 >1000 URS 2003b June URS 2003b PLX May 29 > 3 d 202 d 5.9 d MBJ 1998 PLX June MBJ "H" Creek H Aug (est.) Winters "G" Creek P June WP & PND 2010 P f f PND 2009a June URS 2003b 2003 June 8 50 URS 2003b G Aug 3 2 (est.) Winters 2004 PLX May 29 > 3.5 d 243 d 6.6 d MBJ 1998 PLX June MBJ "F" Creek P June WP & PND 2010 P f f PND 2009a June 6 80 URS 2003b June 8 50 URS 2003b F Aug 3 1 (est.) Winters 2004 PLX May 29 > 5.0 d 101 c 3.2 d MBJ 1998 PLX May ~ ~ 2.6 MBJ a Creek 18a R June WP & PND 2010 R f f PND 2009a 18b "E" Creek R June WP & PND

9 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 R June PND 2009a 21 "D" Creek R June WP & PND 2010 R June PND 2009a 22 "C" Creek R June WP & PND 2010 P PND 2009a June URS 2003b June 8 90 URS 2003b June 11 URS 2003b PLX MBJ 1998 PLX May 29 < 2.5 d ~ 204 d 5.5 d MBJ 1998 PLX May MBJ 1998 R June PND 2009a 23 Creek 23 R June WP & PND 2010 P f f PND 2009a PLX May 29 < 2.5 d 60 d 2.0 d MBJ "B" Creek Gravel Mine Recharge Channel June WP & PND 2010 Site # June WP & PND 2010 Gravel Mine Recharge Channel June WP & PND 2010 Site # June WP & PND June URS 2003b June URS 2003b June URS 2003b 7

10 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 June e URS 2003b June URS 2003b June URS 2003b June URS 2003b June URS 2003b June URS 2003b June URS 2003b June URS 2003b July URS 2003b July URS 2003b PLX May 29 < 3.0 d 202 d 7.8 d MBJ 1998 PLX May MBJ b R June WP & PND 2010 R June WP & PND 2010 Site # June WP & PND 2010 R June PND 2009a 24a R June WP & PND 2010 R June WP & PND 2010 Site # June WP & PND 2010 Site # June WP & PND 2010 R June PND 2009a 26 "S" Creek R June WP & PND 2010 P June PND 2009a S July 9 0 Winters

11 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 PLX May 29 < 2.0 d 260 d 3.9 d MBJ "R" Creek P June PND 2009a R July 9 1 (est.) Winters 2004 PLX May 30 < 3.0 d 101 d 2.8 d MBJ 1998 PLX May MBJ "A" Creek PLX May 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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13 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. P ,200 1,900 2,300 2,900 3,300 3,600 4,000 4,500 2 Middle Badami Cr. P ,200 1,500 1,700 1,900 2,100 2,400 3 East Badami Cr. P ,900 2,900 3,600 4,400 5,000 5,500 6,100 6,800 4 "O" Creek P "N" Creek P ,000 1,100 1,300 1,500 1,700 7 "M" Creek P No Name Drainage 1 PLX "L" Creek P ,200 1,400 1,700 2,000 2,200 2,500 2, "K" Creek P , "J" Creek P "I" Creek P ,000 1,300 1,500 1,600 1,800 2, "H" Creek PLX "G" Creek P ,000 1,100 1,300 1,500 1, "F" Creek P ,100 1,300 1,500 1,600 1,900 18a Creek 18a P Yr 10-Yr 25-Yr 50-Yr 100-Yr 200-Yr 500-Yr R b "E" Creek P R PLX "D" Creek P ,050 1,160 1,300 R ,000 1,100 1, "C" Creek P ,050 1,150 1,300 R ,000 1,100 1,300 PLX

14 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 P Yr 25-Yr 50-Yr 100-Yr 200-Yr 500-Yr R "B" Creek P ,000 1,100 Minesite Recharge ,100 Site ,100 24b "B" Creek West R Site a "B" Creek East R Site "S" Creek P R "R" Creek P R "A" Creek PLX ,042 1,171 1,298 1,463 Notes: a ExxonMobil 2009b b Source: Michael Baker Jr., Inc c Source: : WorleyParsons and PND Engineers, Inc PLX ,027 1,155 1,280 1,443 12