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Strategic plan targets invasive species
The Superior Daily Telegram (11/17)
Douglas County’s Land Conservation Committee is forwarding a plan to the county board that takes aim at invasive species.
Mich. Clean Marina Program: Public-private partners work together to improve water quality
Grand Rapids Environmental News Examiner (11/9)
Partners from the public and private sector in Michigan are working together in a voluntary program to improve the quality of the Great Lakes.
Researchers seek funding for wind test site in Lake Michigan
Grand Rapids Environmental News Examiner (11/7)
In a recent article in The Muskegon Chronicle, it was reported that researchers at Grand Valley State University’s Michigan Alternative and Renewable Energy Center (MAREC) cited a lack of year-around data (on wind platform testing) needed by prospective development companies.
COMMENTARY: Senate needs to pass clean energy act to help Michigan
The Grand Rapids Press (10/26)
Senate Majority Leader Harry Reid was absolutely correct with his recent proclamation about the current condition of the Great Lakes State: "The State of Michigan," Reid declared from the Senate Floor, with a copy Time Magazine in his hand, "is in trouble."
First Nation women 'walk the environmental talk'
WeNews (10/23)
Tomorrow's global day of climate activism aims for media and political attention. First Nation women have another way. Since 2003, they've walked the shoreline of a Great Lake or major river, meditating on the needs of an unborn generation.
City making big push for water school
The Business Journal (10/23)
The push is on to convince the University of Wisconsin-Milwaukee that the best location for its new School of Freshwater Sciences is near the university’s existing Great Lakes Water Institute on East Greenfield Avenue.
What's going on in your neighborhood this month? Meet other people and learn together at recreational and educational events! Our new dynamic calendar is updated daily with current educational events.
Great Lakes Facts & Figures
(Figures in blue represent the largest in the category; figures in red represent the smallest in the category)
| Superior | Michigan | Erie | Huron | Ontario | |
| Length | 350 mi (563 km) |
307 mi (494 km) |
241 mi (388 km) |
206 mi (332 km) |
193 mi (311 km) |
| Breadth | 160 mi (257 km) |
118 mi (190 km) |
57 mi (92 km) |
183 mi (245 km) |
53 mi (85 km) |
| Average depth |
483 ft (147 m) |
279 ft (85 m) |
62 ft (19 m) |
195 ft (59 m) |
283 ft (86 m) |
| Maximum depth |
1,332 ft (406 m) |
925 ft (282 m) |
210 ft (64 m) |
750 ft (229 m) |
802 ft (244 m) |
| Volume | 2,900 mi3 (12,100 km3 or 12,100,000,000, 000,000 liters) |
1,180 mi3 (4,920 km3 or 4,920,000,000, 000,000 liters) |
116 mi3 (484 km3 or 484,000,000, 000,000 liters) |
850 mi3 (3,540 km3 or 3,540,000,000, 000,000 liters) |
393 mi3 (1,640 km3 or 1,640,000,000, 000,000 liters) |
| Water surface area |
31,700 mi2 (82,100 km2) |
22,300 mi2 (57,800 km2) |
9,910 mi2 (25,700 km2) |
23,000 mi2 (59,600 km2) |
7,340 mi2 (18,960 km2) |
| Drainage basin area |
49,300 mi2 (127,700 km2) |
45,600 mi2 (118,000 km2) |
30,140 mi2 (78,000 km2) |
51,700 mi2 (134,100 km2) |
24,720 mi2 (64,030 km2) |
| Shoreline length* | 2,726 mi (4,385 km) |
1,638 mi (2,633 km) |
871 mi (1,402 km) |
3,827 mi (6,157 km) |
712 mi (1,146 km) |
| Elevation | 600 ft (183 m) |
577 ft (176 m) |
569 ft (173 m) |
577 ft (176 m) |
243 ft (74 m) |
| Outlet | St. Marys River to Lake Huron | Straits of Mackinac to Lake Huron | Niagara River and Welland Canal | St. Clair River to Lake Erie | St. Lawrence River to the Atlantic Ocean |
| Replacement time** | 191 years | 99 years | 2.6 years | 22 years | 6 years |
| * = including islands ** = the amount of time it takes nature to replace all of the water in the lake |
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Created on September 14, 2000
Last updated on September 25, 2001