International Lake Superior Board of Control

Publications

 

Please search below for Board publications. Visit the links on the left side of this page to access specific publications including Semi-Annual Progress Reports, and Meeting Minutes.


Publications 55 Results

Minutes of the 21 September 2017 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2017/09/21
Semi-Annual Progress Report covering the period from March 1, 2017 to August 31, 2017
International Lake Superior Board of Control (ILSBC)
2017/08/31

From March through August, the monthly mean water levels of Lake Superior ranged from 15 to 25 cm (5.9 to 9.8 in.) above average, and ranged from 7 cm (2.8 in.) lower to 8 cm (3.1 in.) higher than in 2016. In the past six months, monthly mean Lake Michigan-Huron levels ranged from 23 to 45 cm (9.1 to 17.7 in.) above average. Lake Michigan-Huron ranged from 11 cm (4.3 in.) lower to 18 cm (7.1 in.) higher than in 2016.

Minutes of the 2 March 2017 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2017/03/02
Semi-Annual Progress Report covering the period from September 1, 2016 to February 28, 2017
International Lake Superior Board of Control (ILSBC)
2017/02/28

From September 2016 through February 2017, the monthly mean water levels of Lake Superior ranged from 13 to 17 cm (5 to 7 in) above average, and from 8 cm (3 in) below to 8 cm (3 in) above last year’s levels. The monthly mean levels of Lake Michigan-Huron were also above average throughout the reporting period, ranging from 18 to 28 cm (7 to 11 in) above average, and from 10 cm (4 in) below to 11 cm (4 in) above the levels of the same period last year.

Minutes of the 15 September 2016 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2016/10/06
Semi-Annual Progress Report covering the period from March 1, 2016 to August 31, 2016
International Lake Superior Board of Control (ILSBC)
2016/08/31

This semi-annual report covers the Board's activities from 1 March to 31 August 2016. From March through August, the monthly mean water levels of Lake Superior ranged from 14 to 23 cm (5.5 to 9.1 in.) above average, and ranged from 3 cm (1.2 in.) lower to 4 cm (1.6 in.) higher than in 2015. In the past six months, monthly mean Lake Michigan-Huron levels ranged from 27 to 39 cm (10.6 to 15.4 in.) above average. Lake Michigan-Huron ranged from 10 to 24 cm (3.9 to 9.4 in.) higher than in 2015.

Semi-Annual Progress Report covering the period from September 1, 2015 to February 29, 2016
International Lake Superior Board of Control (ILSBC)
2016/04/25

This semi-annual report covers the Board's activities from 1 September 2015 to 29 February 2016. From September 2015 through February 2016, the monthly mean water levels of Lake Superior
ranged from 9 to 23 cm (4 to 9 in) above average, and from 11 cm (4 in) below to 2 cm (0.8 in) above last year’s levels. The monthly mean levels of Lake Michigan-Huron were also above average throughout the reporting period, ranging from 15 to 29 cm (6 to 11 in) above average, and from 0 to 19 cm (0 to 7 in) above the levels of the same period last year.

Minutes of the 30 March 2016 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2016/03/30
Minutes of the 24 September 2015 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2015/09/24
Semi-Annual Progress Report covering the period from March 1, 2015 to August 31, 2015
International Lake Superior Board of Control (ILSBC)
2015/08/31

This semi-annual report covers the Board's activities from March 1, 2015 through August 31, 2015. From March through August, the monthly mean water levels of Lake Superior ranged from 15 to 20 cm (5.9 to 7.9 in.) above average, and ranged from 1 to 19 cm (0.4 to 7.5 in.) higher than in 2014. In the past six months, monthly mean Lake Michigan-Huron levels ranged from 12 to 19 cm (4.7 to 7.5 in.) above average. Daily mean levels have remained above average since 7 September 2014. Lake Michigan-Huron ranged from 24 to 53 cm (9.4 to 20.9 in.) higher than in 2014.

Semi-Annual Progress Report covering the period from September 25, 2014 to February 28, 2015
International Lake Superior Board of Control (ILSBC)
2015/04/29

This semi-annual report covers the Board's activities from 25 September 2014 to 28 February 2015. During the past six months, the water levels of Lake Superior were above average and have been 17 to 22 centimetres (cm) (7 to 9 inch (in)) higher than last year’s levels.  Lake Superior monthly mean water levels have consistently been above average since March 2014, which was the month that ended an almost 16-year period of near- or below-average monthly levels for the 1918-2013 period of record.

Minutes of the 5 March 2015 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2015/03/05
Lake Superior Regulation Plan 2012 Infographic
International Lake Superior Board of Control (ILSBC)
2015/02/11

Infographic on Lake Superior regulation and Plan 2012

Lake Superior Regulation Plan 2012 Fact Sheet
International Lake Superior Board of Control (ILSBC)
2014/11/18

Information on Plan 2012, the new regulation plan for Lake Superior.  Includes an overview and history of Lake Superior regulation, information on how Plan 2012 works, its benefits, and information on adaptive management.

International Lake Superior Board of Control Brochure
International Lake Superior Board of Control (ILSBC)
2014/11/18

This brochure contains information about the International Joint Commission (IJC) and the International Lake Superior Board of Control, including membership, regulation of the outflow from Lake Superior, and flow allocation.

Minutes of the 24 September 2014 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2014/09/24
Semi-Annual Progress Report covering the period March 26, 2014 to September 24, 2014
International Lake Superior Board of Control (ILSBC)
2014/09/24

This semi-annual report covers the Board's activities from 26 March 2014 to 24 September 2014. From March through August, the monthly mean water levels of Lake Superior ranged from 1 to 16 cm (0.4 to 6.3 in.) above average, rose consistently throughout the reporting period, and ranged from 23 to 36 cm (9 to 14 in.) higher than in 2013. Prior to March of this year, the levels of Lake Superior had been consistently below average since May 2005, and near or below average since May 1998.

Orders of Approval for Regulation of Lake Superior
International Joint Commission (IJC)
2014/07/17

In 1913, applications by power companies in Canada and the United States to divert water from the St. Marys River for power purposes and to construct a gated control structure at the head of the St. Marys Rapids (known as the Compensating Works) were submitted to the International Joint Commission. The Commission granted approval for these projects in its 1914 Order of Approval, and established the basic objectives for and limits to the regulation of Lake Superior's outflow. Since 1978, the Commission has issued several additions to the original Order of Approval.

Semi-Annual Progress Report covering the period from September 20, 2013 to March 25, 2014
International Lake Superior Board of Control (ILSBC)
2014/03/25

This semi-annual report covers the Board's activities from 20 September 2013 to 25 March 2014. During the past six months, the water levels of Lake Superior were below average. Lake Superior monthly mean water levels have been consistently near or below average since May of 1998, which is the longest sustained period of below-average monthly water levels in the 1918-2013 period of record. The water levels were from 28 cm (11 in) above to 33 cm (13 in) above last year's levels during the reporting period.

Minutes of the 19 September 2013 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2013/09/19
Semi-Annual Progress Report covering the period from March 21, 2013 to September 19, 2013
International Lake Superior Board of Control (ILSBC)
2013/09/19

This semi-annual report covers the Board's activities from 21 March 2013 to 19 September 2013. From March through August, the monthly mean water levels of Lake Superior ranged from 9 to 34 cm (4 to 13 in) below average and ranged from 8 cm (3.1 in) lower to 17 cm (6.7 in) higher than in 2012. Lake Superior levels have been consistently below average since May of 2005, which is the longest sustained period of below-average monthly levels in the 1918-2012 record. Prior to inclusion of 2012 data (which lowered the long-term average values for some months), levels had been consistently below average since 1998.

Semi-Annual Progress Report covering the period from September 21, 2012, to March 20, 2013
International Lake Superior Board of Control (ILSBC)
2013/03/20

This semi-annual report covers the Board's activities from 21 September 2012 to 20 March 2013. During the past six months, the water levels of Lake Superior remained below average and have been 2 cm (1 in) above to 8 cm (3 in) below last year's levels. This past month, Lake Superior's level was 31 cm (12 in) below aveage. Lake Superior water levels have been consistently below average since May of 2005, which is the longest sustained period of below-average monthly levels in the 1918-2012 period of record.

Minutes of the 20 September 2012 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2012/09/20
Semi-Annual Progress Report covering the period from March 23, 2012, to September 20, 2012
International Lake Superior Board of Control (ILSBC)
2012/09/20

This semi-annual report covers the Board's activities from 23 March to 20 September 2012. From March through August, the water levels of Lake Superior remained below average but were 1 cm (0.4 in.) lower to 9 cm (4 in.) higher than in 2011. Monthly mean Lake Superior levels remained 21 to 30 cm (8 to 12 in.) below average. Lake Superior levels have been consistently below average since April of 1998, which is the longest sustained period of below-average monthly levels in the 1918-2011 record.

Minutes of the 22 March 2012 Meeting of the ILSBC
International Lake Superior Board of Control (ILSBC)
2012/03/22