Lakes Monitored |
Year of map used |
Iowa County |
Lake Area in acres |
Watershed Area in acres (excluding lake surface) |
Watershed/Lake Area Ratio |
Volume in cubic meters |
Mean Depth in meters |
Maximum Depth in meters |
Big Spirit Lake |
1971 |
Dickinson |
4,169 |
34,603* |
8.3 |
116,135,600 |
5.3 |
7.3 |
Center Lake |
1972 |
Dickinson |
272 |
735 |
2.7 |
3,207,519 |
2.9 |
4.7 |
East Okoboji Lake |
1970 |
Dickinson |
1,835 |
12,295 |
6.7 |
23,474,520 |
3.2 |
6.7 |
Elk Lake |
1991 |
Clay |
261 |
NC |
NC |
NC |
NC |
1.8 |
Little Spirit Lake |
1970 |
Dickinson |
618 |
1,669 |
2.7 |
4,584,987 |
1.8 |
3.0 |
Lower Gar Lake |
1972 |
Dickinson |
242 |
11,374 |
47.0 |
1,062,456 |
1.1 |
1.7 |
Lake Minnewashta |
1972 |
Dickinson |
118 |
295 |
2.5 |
1,481,000 |
3.1 |
5.0 |
Silver Lake |
1971 |
Dickinson |
1041 |
11,391 |
10.7 |
7,784,362 |
1.8 |
3.4 |
Trumbull Lake |
1979 |
Clay |
1,190 |
NC |
NC |
NC |
NC |
1.2 |
Upper Gar Lake |
1972 |
Dickinson |
36 |
439 |
12.2 |
150,863 |
1.0 |
1.5 |
West Okoboji Lake |
1970 |
Dickinson |
3,847 |
13,849 |
3.6 |
178,578,600 |
11.5 |
41.5 |
NC = not calculated. All data except Elk and Trumbull from Bachmann et al 1980- Note: Bachmann's Big Spirit Lake watershed area includes the Minnesota watershed draining to Loon Lake which in turn drains to Big Spirit Lake* |
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