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SHAGAWA LAKE
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  Shagawa Lake
GRINDSTONE LAKE ID 58-0123 Pine County @ SandStone, MN
Morohometry

Elevation = ~411 km (1400' MSL)

Ao = 950 ha (2347 acres)

Aw = 26,900 ha (66,500 acres)

Zmax = 14.6 m (48 ft)

Zmean = 5.25 m (17.2 ft)

V = 53 x 106 m3

Aw:Ao = 29

Shoreline = 34km (includes 5.15 km island shore) (21 mi)

Littoral area = 30 %

HRT = ~1 yr (2 mos-2 yrs)

Watershed
1969 data

2 % Urban

11 % Wetland/Water

75 % Forest

5 % Cultivated

7 % Pasture/Open

Water quality

Summer Epilimnion (1998 epilimnetic data)

Secchi = 2.9 m
Chlorophyll a = 9.1 ppb (max 26 ppb)
TP = 22 ppb
NO3-N = ?? ppb
TKN = 400 ppb
Alkalinity = 32 mg CaCO3/L
pH = 7.9 SU
EC = 89 µS/cm
Color = 18 Pt-Co units

 

Shoreline cabins

1999
142 homes & cottages
1985 - 91
1966 -
44

Misc

Stratified in summer;

Fishery

Walleye, white sucker, and yellow perch

 

Trophic status (Carlson TSI)

47 (mesotrophic)

 

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http://www.waterontheweb.org/data/shagawa/context/summary.html
date last updated: Wednesday April 14 2004