Basin Characteristics Report
NAD27 Latitude: 43.6084 (43 36 30)
NAD27 Longitude: -102.2855 (-102 17 08)
NAD83 Latitude: 43.6084 (43 36 30)
NAD83 Longitude: -102.2859 (-102 17 09)
Parameter
Value
Percent Limestone Headwaters from Sando and others (2008)
0.000
Percent lakes and ponds as determined from the National Wetlands Inventory (2001)
0.066
24 Hour 2 year Precipitation
Perimeter in miles
Length of associated Longest Flow Path in miles
0
132
76.9
Percent wetlands as determined from the National Wetlands Inventory (2001)
0.253
Percent total limestone from Sando and others (2008))
0.000
Maximum elevation in feet
3690
Percent Artesian Spring from Sando and others (2008)
0.000
Percent Limestone Loss Zone from Sando and others (2008)
0.000
Slope ratio = channel slope / basin slope
1.07
Min elevation in feet
2470
Elevation at outlet, in feet
2470
Percent Black Hills Exterior from Sando and others (2008)
0.000
Mean basin elevation, in feet
3190
Compactness ratio, dimensionless
2.21
Percent storage (lakes, ponds, or wetlands), derived from the National Wetlands Inventory (2001)
0.318
Maximum - minimum elevation, in feet
1220
Area covered by non-contrib DA
0.00
Relative relief in feet per mile - RELIEF/PERIM
9.26
Total Drainage Area
283.64
Contributing DA = DA - non contrib DA
283.64
Percent Loss Zone/Artesian Spring from Sando and others (2008)
0.000
Percent Sand Hills setting from Sando and others (2008)
0.000
10-85 Channel slope in feet per mile
Percent Crystalline Core from Sando and others (2008)
Mean basin slope in percent, computed from 10-meter DEM
12.9
0.000
12.0
Streamstats Ungaged Site Report
Site Location: South_Dakota
NAD27 Latitude: 43.6084 (43 36 30)
NAD27 Longitude: -102.2855 (-102 17 08)
NAD83 Latitude: 43.6084 (43 36 30)
NAD83 Longitude: -102.2859 (-102 17 09)
Drainage Area: 283.64 mi2
Peak Flows Region Grid Basin Characteristics
26% Subregion C (74.7 mi2)
Value
Parameter
Regression Equation Valid Range
Min
Contributing Drainage Area (square miles)
284
Max
0.06
904
74% Subregion D (209 mi2)
Value
Parameter
Regression Equation Valid Range
Min
Contributing Drainage Area (square miles) 284 (above max value 137)
Max
0.11
137
Warning: Some parameters are outside the suggested range. Estimates will be extrapolations
with unknown errors.
Peak Flows Region Grid Streamflow Statistics Area-Averaged
Statistic
Flow (ft3/s)
Equivalent
years of
record
Prediction Error (percent)
PK2
598
2.2
PK5
2710
6.7
PK10
6200
15
PK25
14900
32
PK50
25900
43
PK100
42000
48
PK500
110000
47
Peak Flows Region Grid Streamflow Statistics Subregion C
Statistic Flow (ft3/s) Prediction Error (percent)
Equivalent 90-Percent Prediction Interval
years of
Maximum
Minimum
record
PK2
622
110
1.8
141
2740
PK5
1900
67
4.8
678
5300
PK10
3290
58
8.3
1340
8080
PK25
5270
53
12
2280
12100
PK50
7150
53
15
3120
16400
PK100
9270
55
17
3930
21800
PK500
15300
65
17
5650
41700
Peak Flows Region Grid Streamflow Statistics Subregion D
Statistic Flow (ft3/s) Prediction Error (percent)
Equivalent 90-Percent Prediction Interval
years of
Maximum
Minimum
record
PK2
590
2.3
PK5
3000
7.4
PK10
7240
18
PK25
18400
39
PK50
32600
53
PK100
53700
59
PK500
144000
58