Public Teleconference Public Teleconference March 17, 2015 March - PowerPoint PPT Presentation

Public Teleconference Public Teleconference March 17, 2015 March 17, 2015 1 877 413 4814 1-877-413-4814 5620440 (English) 3583107 (French) 2781163 (Bilingual) C ll b t Call between 6:45-6:55pm 6 45 6 55 Join by WebEx (info at Board web site) International St. Lawrence River Board of Control March 17, 2015 1

Regulation of Lake Ontario is possible due to: • Boundary Waters Treaty of 1909 – Established the IJC – Set order of precedence of interests • 1952 IJC Order of Approval – Approved construction of hydropower projects which allowed pp y p p j outflows to be controlled • 1956 Supplementary Order – Defined criteria consistent with the Treaty Defined criteria consistent with the Treaty • Plan 1958-D – Established method to manage flow from Lake Ontario • 2015 G 2015 Great Lakes Adaptive Management Committee t L k Ad ti M t C itt – Established to monitor the performance of the regulation plan on an ongoing basis International St. Lawrence River Board of Control March 17, 2015 2

WATER LEVELS Actual* Compared To 15 March 2015 March Average** Last Year Lake Superior 183.42 m (601.76 ft) +19 cm (+8 in) +18 cm (+7 in) Lake Michigan Huron 176.48 m (579.00 ft) +19 cm (+8 in) Lake Michigan-Huron 176.48 m (579.00 ft) +19 cm (+8 in) +53 cm (+21 in) +53 cm (+21 in) Lake Erie 174.00 m (570.86 ft) -7 cm (-3 in) +2 cm (+0.8 in) L k O t Lake Ontario i 74 38 74.38 m (244.03 ft) -29 cm (-11 in) -16 cm (-6 in) (244 03 ft) 29 ( 11 i ) 16 ( 6 i ) Lake St. Lawrence 72.39 m (237.50 ft) -33 cm (-13 in) +7 cm (+3 in) Lake St. Louis 20.84 m (68.37 ft) -50 cm (-20 in) -26 cm (-10 in) Montreal Harbour 6.06 m (19.88 ft) -82 cm (-32 in) -22 cm (-9 in) *Preliminary. **Statistics: Great Lakes: 1918-2013; St. Lawrence River: 1960-2013; Montreal: 1967-2013. International St. Lawrence River Board of Control March 17, 2015 3

Monthly Net Total Supplies to Lake Ontario 12000 423,768 11000 388,454 2014 10000 353,140 9000 317,826 ly (m 3 /s) ply (cfs) 2013 8000 282,512 et Total Suppl Net Total Supp 7000 247,198 Avg. 1900-2013 6000 211,884 2015 N N 5000 176,570 4000 141,256 3000 105,942 J F M A M J J A S O N D Month International St. Lawrence River Board of Control March 17, 2015 4

Daily Lake Ontario Levels 251.5 76.6 1918-2013 monthly statistics, overall range 2.02 m (6.6 ft.) 250.5 76.3 249.5 76.0 Max 1952 248.5 75.7 Criterion (h) Limit 75.37 m (247.3 ft.) 247.5 75.4 75.4 2014 2013 246.5 75.1 evels (m) evels (ft.) 245.5 74.8 244.5 244.5 74.5 74 5 Le Le 2015 Criterion (j) Limit 74.15 m (243.3 ft.) 243.5 74.2 242.5 73.9 Min 1934 241 5 241.5 73 6 73.6 73.3 240.5 73.0 239.5 72.7 2 238.5 238 Month Crit j Crit h Min Max 2013 2014 2015 Average International St. Lawrence River Board of Control March 17, 2015 5

Daily Lake St. Lawrence Levels @ Long Sault Dam 245.0 74.6 1960-2013 monthly statistics, overall range 2.61 m (8.6 ft.) 244.0 74.3 74.3 Max 1973 243.0 74.0 242.0 73.7 241.0 0 73 4 73.4 240.0 73.1 vels (ft.) vels (m) 239.0 72.8 Chart Datum 72.5 m (237.9 ft.) Chart Datum 72.5 m (237.9 ft.) 238.0 238 0 Lev 72 5 72.5 Lev 237.0 72.2 236.0 71.9 235.0 71.6 234.0 71.3 Min 1978 233.0 71.0 70.7 232.0 Month Datum Average 2013 2014 2015 Min Max International St. Lawrence River Board of Control March 17, 2015 6

Daily Lake St. Louis Levels @ Pointe-Claire 77.0 23.4 1960-2013 monthly statistics, overall range 2.20 m (7.2 ft.) 76.0 23.1 75.0 22.8 Max 1974 74.0 22.5 Flood Stage 22.33 m (73.3 ft.) 73.0 22.2 Flood Alert 22.10 m (72.5 ft.) 72.0 21.9 2015 evels (m) evels (ft.) 71.0 21.6 2014 70.0 21.3 Le L 69.0 21.0 2013 68.0 20.7 Seaway Low Alert 20.60 m (67.6 ft.) 67.0 20.4 Chart Datum 20.351 m (66.8 ft.) Min 1965 66.0 20.1 19.8 65.0 19.5 64.0 Month Seaway Low Alert Flood Alert Flood Stage Datum Average 2013 2014 2015 Min Max International St. Lawrence River Board of Control March 17, 2015 7

Daily Port of Montreal Levels @ Jetty #1 29.7 9.0 1967-2013 monthly statistics, overall range 3.83 m (12.6 ft.) Max 1967 28.7 8.7 27.7 8.4 2014 26.7 8.1 25.7 7 8 7.8 2013 24.7 7.5 vels (ft.) vels (m) 23.7 7.2 22 7 22.7 Lev Lev 6.9 6 9 21.7 6.6 20.7 6.3 19 7 19.7 6.0 6 0 2015 5.7 18.7 Chart Datum 5.55 m (18.2 ft.) 5.4 17.7 Min 2012 5.1 16.7 Month Datum Average 2013 2014 2015 Min Max International St. Lawrence River Board of Control March 17, 2015 8

LAKE ERIE MONTHLY WATER LEVEL FORECAST 175.1 Jun-13 Jun-14 Jun-15 Jul-13 Jul-14 Jul-15 Apr-13 Apr-14 Apr-15 May-13 y May-14 y May-15 y Aug-13 A 13 Oct-13 O 13 Aug-14 A 14 O Oct-14 14 A Aug-15 15 O Oct-15 15 573.6 174.8 Dec-13 Dec-14 Dec-15 Mar-13 Mar-14 Mar-15 Jan-13 Jan-14 Jan-15 Nov-13 Nov-14 Nov-15 Sep-13 Sep-14 Sep-15 Maximum/Minimum (1918-2013) Feb-13 Feb-14 Feb-15 5% 572.6 174.5 Average Average 50% 50% (IGLD 1985) (1918-2013) GLD 1985) 571.6 174.2 95% FEET (IG METRES Recorded 570.6 173.9 569.6 173.6 173.6 Chart Datum Jun-13 Jul-13 Jun-14 Jul-14 Jun-15 Jul-15 May-13 May-14 May-15 Aug-13 Aug-14 Aug-15 173.3 568.6 Apr-13 Sep-13 Apr-14 Sep-14 Apr-15 Sep-15 Oct-13 Oct-14 Oct-15 Jan-13 Jan-14 Jan-15 Mar-13 Nov-13 Mar-14 Nov-14 Mar-15 Nov-15 Dec-13 Dec-14 Dec-15 Feb-13 Feb-14 Feb-15 173.0 567.6 J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D 2013 2014 2015 International St. Lawrence River Board of Control March 17, 2015 9

LAKE ONTARIO MONTHLY WATER LEVEL FORECAST 248.5 75.7 Jun-13 Jun-14 Jun-15 May-13 May-14 May-15 Jul-13 Jul-14 Jul-15 Apr-13 Apr 13 Apr 14 Apr-14 Apr 15 Apr-15 Maximum/Minimum (1918-2013) Aug-13 Aug-14 Aug-15 247.5 Criterion (h) 75.4 Sep-13 Sep-14 Sep-15 Mar-13 Mar-14 Mar-15 Feb-13 Feb-14 Feb-15 246.5 246.5 Oct-13 Oct-14 Oct-15 75 1 75.1 Dec-13 Dec-13 Dec-14 Dec-14 Dec-15 Dec-15 Nov-13 Nov-14 Nov-15 Jan-13 Jan-14 Jan-15 5% (IGLD 1985) Recorded GLD 1985) 50% 245.5 74.8 95% Average (1918 2013) (1918-2013) FEET (IG METRES ( 244.5 74.5 Chart Datum 243 5 243.5 74 2 74.2 Criterion (j) Jun-13 Jun-14 Jun-15 Jul-13 Jul-14 Jul-15 May-13 May-14 May-15 Apr-13 Apr-14 Apr-15 Aug-13 Aug-14 Aug-15 242.5 73.9 Mar-13 Mar-14 Mar-15 Sep-13 Sep-14 Sep-15 Oct-13 Oct-14 Oct-15 Jan-13 Jan-14 Jan-15 Feb-13 Feb-14 Feb-15 Nov-13 Nov-14 Nov-15 Dec-13 Dec-14 Dec-15 73.6 241.5 J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D 2013 2014 2015 International St. Lawrence River Board of Control March 17, 2015 10

MONTREAL HARBOUR MONTHLY WATER LEVEL FORECAST 9.2 29.4 8.9 Maximum/Minimum (1967-2013) 28.4 8.6 27.4 8.3 26.4 8.0 25.4 (IGLD 1985) 7.7 GLD 1985) 24.4 7.4 23.4 7.1 FEET (IG METRES 22.4 6.8 Average 5% (1967-2013) 21.4 6.5 20.4 6.2 Recorded Recorded 50% 19.4 5.9 Chart Datum 18.4 5.6 95% 17 4 17.4 5 3 5.3 5.0 16.4 J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D 2014 2013 2015 International St. Lawrence River Board of Control March 17, 2015 11

Current Regulation Strategy • Outflows in March continue to follow Plan 1958-D, • Lake Ontario outflows be adjusted, if necessary, to facilitate the maintenance of a safe and stable ice cover along the St. Lawrence River, • Continue to permit under- or over-discharges (either below or • Continue to permit under- or over-discharges (either below or above those of Plan 1958-D) that may be necessary to address unforeseen critical condition. • The Board will meet again in late April to re-assess this strategy as ice breaks up and navigation begins. International St. Lawrence River Board of Control March 17, 2015 12

Learning Modules 1: Overview 1: Overview 2: Lake Ontario-Upper St. Lawrence River Levels and Outflows 3: Peaking & Ponding 4: Iroquois Dam 5: Ice Formation 6: Wind Effects on the upper St. Lawrence River pp 7: Lower St. Lawrence River Impacts Find them at: http://ijc org/en /islrbc/Learning Modules Find them at: http://ijc.org/en_/islrbc/Learning_Modules International St. Lawrence River Board of Control March 17, 2015 13

Public Teleconference Public Teleconference March 17, 2015 March 17, 2015 1 877 413 4814 1-877-413-4814 5620440 (English) 3583107 (French) 2781163 (Bilingual) C ll b t Call between 6:45-6:55pm 6 45 6 55 Join by WebEx (info at Board web site) International St. Lawrence River Board of Control March 17, 2015 14

St L St. Lawrence Board website B d b it English - http://ijc.org/en_/islrbc French - http://ijc.org/fr_/islrbc p j g _ International St. Lawrence River Board of Control March 17, 2015 15