Lake Independence
ID 27-0176

 

  
Hennepin County,
North of Maple Plain, MN

 


MORPHOMETRY


elevation = 954 ft MSL ( 291 km)

Area (Ao) = 850 acres (344 ha)

Z max = 58 ft (17.7 m)

Z mean = 18 ft (5.5 m)

Volume = 6.7 x 108 ft3(18.9 x 106 m3)

Watershed Area:Lake Area
( Aw:Ao) = 5.65:1

Watershed Area = 4808 acres (1946 ha)

Shoreline =7.1 mi (11.4 km)

Littoral Area = ~50 %

Hydraulic Retention Time
(flushing time ) = not available

 


TROPHIC STATUS = Eutrophic
(Carlson TSI)

Total phosphorus TSI   60
Chlorophylla a TSI 57
Secchi TSI 49
Mean TSI 55


2000 WATER  QUALITY
 (May-October surface means ± sd)

Secchi 2.1± 1.8m
Chlorophyll a 14 ug/L ± 9
Total P  47± 20 ug/L
NO3-N no data
NH4-N no data
TN 1587  ± 888 ug/L
Alkalinity  
pH 8.3
EC  
Chloride no data

 


WATERSHED

5 % urban

17 % wetland/water

6 % parkland (Hennepin Cty Baker Park)

72% agricultural

Shoreline Cabins
192 perennial
0 summer
(all on city sewer)

 


FISHERY (1994)

northern pike

walleye

yellow perch

bluegill

sunfish


MISCELLANEOUS

Stratified in summer; complete spring mixing in 1998 and 1999

Ice Out Dates:

March 29, 1998
March 29, 1999
March 11, 2000