FINAL REPORT - International Joint Commission

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International Lake Ontario - St. Lawrence River Study Board UNITED STATES Eugene Stakhiv, Co-Director Sandra LeBarron Peter Loucks Frank Quinn Frank Sciremammano, Jr. James Snyder Dan Barletta CANADA Doug Cuthbert, Co-Director André Carpentier Lynn Cleary Ian Crawford Henry Lickers Steven Renzetti Marcel Lussier March 23, 2006 Mr. Dennis L. Schornack Rt. Hon. Herb Gray Chairman, United States Section Chairman, Canadian Section International Joint Commission International Joint Commission 1250 23rd Street, NW, Suite 100 234 Laurier Avenue West, 22nd Floor Washington, DC, USA 20037 Ottawa, Ontario, Canada K1P 6K6 Dear Chairman Schornack and Chairman Gray: The International Lake Ontario–St. Lawrence River Study Board is pleased to submit herewith its Final Report at the request of the International Joint Commission. The Report identifies the regulation plan options, which address new hydrologic conditions, and all interest groups that benefit from the operation and regulation of the system. All candidate regulation plans provide net economic and environmental benefits over the current Plan 1958-D with Deviations. Each of these options represents a mixture of tangible benefits and minimal costs. All achieve the goals mandated by the Commission in its Directive of December 11, 2000. This report, its findings and recommendations represent five years of international cooperation by hundreds of Study participants, countless citizens and dozens of agencies, for which we are extremely grateful. Respectfully submitted, Eugene Stakhiv U.S. Director Douglas Cuthbert Canadian Director U.S. Secretariat : Anthony J. Eberhardt, Ph.D., P.E., General Manager, 1776 Niagara Street, Buffalo, New York 14207-3199 Telephone : (716) 879-4257 Facsimile : (716) 879-4486 anthony.j.eberhardt@lrb01.usace.army.mil Canadian Secretariat : Ed Eryuzlu, M. Sc., P. Eng., General Manager, 234 Laurier Avenue West, 22nd Floor, Ottawa, ON K1P 6K6 Telephone : (613) 995-9640 Facsimile : (613) 995-9644 eryuzlue@ottawa.ijc.org
FINAL REPORT Options for Managing Lake Ontario and St. Lawrence River Water Levels and Flows Final Report by the International Lake Ontario - St. Lawrence River Study Board to the International Joint Commission March 2006
Page 1: FINAL REPORT Options for Managing L
Page 6 and 7: FINAL REPORT current operating regi
Page 8 and 9: FINAL REPORT The current regulation
Page 10 and 11: FINAL REPORT If none of the candida
Page 12 and 13: FINAL REPORT Divergent Viewpoints T
Page 14 and 15: FINAL REPORT Transition to Implemen
Page 16 and 17: FINAL REPORT 10: Priority Performan
Page 18 and 19: FINAL REPORT a considerable amount
Page 20 and 21: FINAL REPORT The plan consists of a
Page 22 and 23: FINAL REPORT Figure 2: The Lake Ont
Page 24 and 25: FINAL REPORT 2. Criteria and regula
Page 26 and 27: FINAL REPORT water level and flow d
Page 28 and 29: FINAL REPORT Independent Review Ind
Page 30 and 31: FINAL REPORT Coastal Processes The
Page 32 and 33: FINAL REPORT The current estimate o
Page 34 and 35: FINAL REPORT Table 2: Economic Perf
Page 36 and 37: FINAL REPORT • Shore protection m
Page 38 and 39: FINAL REPORT Abbreviations STELLA -
Page 40 and 41: FINAL REPORT Approach 2: Optimizati
Page 42 and 43: FINAL REPORT Evaluation and Screeni
Page 44 and 45: FINAL REPORT • All performance in
Page 46 and 47: FINAL REPORT 5. During the Seaway n
Page 48 and 49: FINAL REPORT The programmed Plan 19
Page 50 and 51: FINAL REPORT Other efforts showed t
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FINAL REPORT Plan E generally produ
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FINAL REPORT An early version of Pl
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FINAL REPORT Plan Evaluations and C
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FINAL REPORT Table 3: Differences i
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Lake Ontario FINAL REPORT Figure 13
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St. Lawrence River at Lac St. Louis
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FINAL REPORT Figures 29, 30, 32 and
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Discharge (m 3 /s) Discharge (tcfs)
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Level (m IGLD 1985) Level (ft. IGLD
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FINAL REPORT Economic Results All p
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FINAL REPORT Disproportionate Loss
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FINAL REPORT Table 7: Percent Damag
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FINAL REPORT Table 8: Environmental
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FINAL REPORT Beyond the Summary Num
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FINAL REPORT Figure 36: Net economi
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FINAL REPORT On Lake Ontario, lakeb
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FINAL REPORT Coastal damages occur
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FINAL REPORT Figure 39: Wetland pla
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FINAL REPORT Sensitivity Analyses D
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FINAL REPORT Table 11: Summary of E
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FINAL REPORT Figure 43: Lake Ontari
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FINAL REPORT Climate Change Analysi
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FINAL REPORT Table 13: Summary of E
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FINAL REPORT Validation The Plan Fo
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FINAL REPORT Municipal and Industri
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FINAL REPORT Interest-specific shor
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FINAL REPORT Change the Criteria an
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FINAL REPORT Through the advocacy o
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FINAL REPORT 5. People living along
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FINAL REPORT The Study Board consid
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FINAL REPORT • Ecohydrology is th
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FINAL REPORT Institutional issues d
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FINAL REPORT Environmental Data and
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FINAL REPORT The point of access to
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FINAL REPORT Possible Changes in th
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FINAL REPORT 106 Options for Managi
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FINAL REPORT People and Organizatio
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FINAL REPORT Environmental Technica
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FINAL REPORT Common Data and Inform
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FINAL REPORT BASIN; WATERSHED - The
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FINAL REPORT EROSION - The wearing
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FINAL REPORT INTEGRATED ECOLOGICAL
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FINAL REPORT PHYSIOGRAPHY - A descr
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FINAL REPORT TECHNICAL WORK GROUP (
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FINAL REPORT Pacific International
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FINAL REPORT Savage, C. Lake Ontari
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FINAL REPORT Doyon, B., et al. (200
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FINAL REPORT Planning and Managemen
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FINAL REPORT h. Information Managem
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ANNEXES Options for Managing Lake O
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ANNEXES Annex 3 - Plan Descriptions
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ANNEX 1 Annex 1 Pertinent Documents
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The Study Board shall provide optio
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Pertinent Document 2 Plan of Study
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trial regulation plans will need to
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WHEREAS pursuant to the said Applic
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(c) (d) (e) (f) (g) The works shall
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(i) (j) (k) Under regulation, the f
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(b) Control Facilities Adequate con
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ANNEX 2 2 Annex2 Technical Work Gro
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Hydrology, supplies Historical and
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Performance Indicators As noted ear
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Table A-2: Lower St. Lawrence River
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Table A-3: Weighting Scheme for Eco
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In the St. Lawrence River, high spr
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References Armellin, A., Mingelbier
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A. Environmental Contextual Narrati
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types. Analyses of historical aeria
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9. References Listed in text Baedke
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B. Recreational Boating and Tourism
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In addition to recreational boating
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Summary of Key Findings Based on it
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ANNEX 2 Figure B-3: Alexandria Bay
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Participants Recreational Boating a
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Communities along New York waters v
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On the Canadian side, a telephone s
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3. Potentially Significant Benefit
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The average horsepower of motor boa
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Noden, D. and Brown, T. (1975) The
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The Lower St. Lawrence River In com
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Table C-1: Unit Costs for the Const
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Beach Access The beach access perfo
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Since the value of shore protection
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ANNEX 2 Figure C-6: Map of percent
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ANNEX 2 Figure C-8: Map of downstre
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References Baird, W.F. and Associat
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C. Coastal Processes Contextual Nar
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Given the current land use policies
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. In the case of the shore protecti
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e. With the ever increasing urban d
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8. Risk Assessment/Sensitivity Anal
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C. Coastal Processes Contextual Nar
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This interest suffered badly during
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5. Key Trends Construction along ri
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Finally, from a computational stand
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D. Commercial Navigation Technical
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More information on the socio-econo
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Participants Commercial Navigation
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. Number of stakeholders The St. La
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g. Trade flows and current market c
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Commercial navigation costs actuall
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5. Key Trends Provided below are hi
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Another adaptive measure to falling
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f. In Montreal, water levels impact
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U.S. Dollars ANNEX 2 Figure E-1: Sh
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Ice formation Ice cover stability i
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Hydroelectric Power Generation Tech
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Regionally, hydropower is seen main
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NYISO administers the Day Ahead Mar
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(b) The hydropower performance indi
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Synapse Energy Economics Inc. devel
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9. References The Hydroelectric Pow
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F. Municipal, Industrial and Domest
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Taste and odours performance indica
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Determining a critical elevation fo
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Water level in Pointe-Claire (m) Fi
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F. Municipal, Industrial and Domest
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7. Adaptive Behaviours The evaluati
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(d) History of the interest The Akw
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Under this project, the H&H TWG pro
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increases throughout the year. Mixi
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• build operational hydrology for
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Fan, Y. and Fay, D. (2001) Variatio
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I. Common Data Needs Technical Work
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Collection of detailed bathymetric
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• Metadata requirements Metadata
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FTP Support The first component of
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ANNEX 2 Figure J-3: Typical product
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ANNEX 3 Annex 3 Plan Descriptions a
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After discussions, the Plan Formula
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Table A-1: Constraints Applied to E
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Deviations The outflow calculated a
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The following list summarizes the a
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ANNEX 3 Figure B-3: Lake Ontario Av
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Lake Ontario level (m) 1.9 1.8 1.7
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ANNEX 3 Figure B-8: Cumulative Freq
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Total winter flow (10 m 3 /s - quar
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Plan 1958-DD - Appendix Detailed de
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SELECT CASE adjusted supply indicat
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If the Lake Ontario level is greate
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The inflow category (e.g., wet, dry
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Step 5 - Ice limit: Exactly the sam
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ANNEX 3 Figure B-18: Plan A + rule
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Other rules Plan B + has two additi
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Plan D + : Blended Benefits Objecti
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ANNEX 3 Figure B-19A: Lake Ontario
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ANNEX 3 Figure B-20: Lake Ontario s
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ANNEX 3 Figure B-21F: Long Sault Da
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Figure B-23 shows the three benefit
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Score Figure B-25: Score based on t
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Flow Constraints In addition to the
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This procedure is repeated until th
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Reference and Interest Specific Reg
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Plan 1958-D Regulation of Lake Onta
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4. The “I” limits, or ice limit
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Figure B-31 compares the scoring re
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Experimental variations In simpler
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C. Summary Tables of Plan Results T
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Historical Time Series (1900-2000)
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Environmental Results (Historical)
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Stochastic Supply Sequences Economi
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Table C-8: Economic results for can
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Table C-10: Economic results for ca
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Table C-12: Environmental results f
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Table C-14: Environmental results f
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ANNEX 4 Introduction Annex 4 Mitiga
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The great majority of potential act
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Great Lakes Advance Emergency Manag
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“(b) General Plan. (1) The Secret
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Adaptive Management Action Plan (AM
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difference in evaluations. If, for
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Coastal Monitoring Purpose: Monitor
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Adaptive Management Program Summary
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GLOSSARY OF TERMS ABIOTIC - Non-liv
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COASTAL EROSION - The wearing away
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EROSION - The wearing away of land
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HYDROLOGIC MODELING - The use of ph
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MEASURE, STRUCTURAL - Any measure t
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PUBLIC INFORMATION - Activities whe
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SUBSTRATE COMPOSITION - Categorical
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FINAL REPORT - International Joint Commission

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