Lake Minnetonka
Lafayette Bay

 

 
Hennepin County,
Minnetonka, MN

 


MORPHOMETRY


elevation = 929 MSL (~ 283 m)

Area (Ao) =  461 ac (186 ha)

Z max = 60 ft (18.3 m)

Z mean = 16.6 ft (5.1 m)

V = 3.5 x 108 ft 3 (9.4 x 106 m3)

Watershed Area:Lake Area
( Aw:Ao) = not available

Watershed Area = not available

Shoreline = 4.39 mi (7.07 km)

Littoral Area = 46%

Hydraulic Retention Time (flushing time) = not available

 

 


TROPHIC STATUS
= Mesotrophic
(Carlson TSI)

Total phosphorus TSI   50
Chlorophylla a TSI 43
Secchi TSI 44
Mean TSI 46


1999 WATER  QUALITY

(May-October surface means
± sd)

Secchi 2.5 ± 0.6 m
Chlorophyll a  5 ± 3.6 ug/L
Total P  23 ± 6.6 ug/L
NO3-N no data
NH4-N no data
TN 1020 ± 810 ug/L
Alkalinity no data
pH  ~ 8.29
EC no data
Chloride 45 ± 10 mg/L