Embed Size (px)
Citation preview
Watershed Report Card:Big Fork River
Watershed size: 1,315,135 acres 2,055 square miles
Watershed Surface Area: Percent Land - 95 % Percent Water - 5 % HUC8 ID: 09030006Basin Name: Rainy River (0903)
Percent of watershed area by land cover type:
Watershed Population: 2000 census - 5,217 2010 census - 5,079
Counties - % of watershed:
Marcell - 467 Bigfork - 446 Big Falls - 236 Bowstring - 230 Max - 142
Largest Cities - Population:
Koochiching - 51 % Itasca - 49 %
People and Places:
Land Use:Watershed Area:
September, 2015
Watershed Health Assessment Framework"Managing for System Health"
Altered Streams*Surface Storage
Flow Variability
Index Scores
Hydrologic Storage
Water Withdrawal*Impervious Cover*Perennial Cover*
Component Health Score(index average)
Component Health Score(index average)
Component Health Score(index average)
Hydrology
Index Scores
Climate Vulnerability
Groundwater Susceptibility
Soil Erosion Potential*
Index Scores
At-Risk SpeciesRichness
Species Richness
Stream Species Quality*
Terrestrial HabitatQuality*
Index Scores
Riparian Connectivity*
AquaticConnectivity*
Terrestrial HabitatConnectivity
Watershed Health Report - Major Watershed
Watershed Health Assessment Framework Health score methodology - www.dnr.state.mn.us/whaf/about/scores September, 2015
90
99
9892
84
9969
69
5868
77
73
55
9775
Connectivity
59
77
61
33
67
89
9899
95
98Sub-Scores
Component Health Score(index average)
National Land Cover - 2011Open WaterDeveloped, Open Developed, Low Developed, MediumDeveloped, High Barren LandDecidious ForestEvergreen ForestMixed ForestShrub/ScrubGrasslandPasture/HayCultivated CropsWoody WetlandsHerbaceous Wetlands
95
Big Fork River
These health scores are calculated at the Major Watershed (HUC8) scale. Health score namesfollowed by (*) are also calculated at the DNR Catchment scale (subdivided HUC12). Thoseresults are reported on the following pages.
Average Watershed Health Score - 78
Component Health Score(index average)
Water Quality
Index Scores
Assessments
Localized Pollution Sources*
Non-Point Pollution Sources
Phosphorus Risk*Sub-Score
Geomorphology Biology
88
9999
89
96100
98
989289
92
79
91
92
8396
99
87
93
90
86
91
90
9589
100
9795
85
96
85
98
8786
95 9093100
84
78
96
93
9898
95
84
92
99
93
98
9689
97
99
97
98
9595
90
95
98 97
79
92
98
74
10093
96
9993
94
80
9683
93
95
95
98
85
95
97
87
60
9398
88
8994
94
86
9094
96
98
91
9097
83
85
94
100
8899
95
95
9998
65 918297
87 69
91
76
9697
82 959687
0
83
90
99
89
87
92909781
9973
85 91
9488
8391
9798
9698
94
94
89
93
100
100
9689
9099
9898
99
63
89
100
89
80
82
49
7265
869056
70
100 91
100
100
100100
100
100
100
100100100
100100
100
100
100
100100
100
100
100
100
100
100
100
100100
100
100100 100100
100
100
100
100
100
100100
100100
100
100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100
100100
100
100
100100
100 100100100
100 100
100
100
100100
100 100100100
100
100
100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100
100
100
100
100
100 100
61
660
95
56
95
894678
81
1008
0
0
70
10099
6
9589
46
82
60
14
12
9999
9380
0
4
70
10093 98
0
100
54
88
10095
64
43
93
9444
96100
100
100100 9897
53
10096
92 5
55
10098
97
100
92100
100
89
97
76
97
100100
98
97
100
81
97
100
100
100
100
100100
100 99100
30
100
59
100
10086
100100
100
100
84100100
100
97
100
100
0
100
100100
100
100
100100
100 100100100
100 100
97
100 100100
100 100100100
100 0
100
100
97
100100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100
100
Perennial Cover (2011) Impervious Cover (2011)
Water Withdrawal Index
Health Score Distributions: Big Fork River Min: 79 Max: 100 Median: 98.0 Mean: 96.64 Standard Dev: 2.97
Altered Streams
Health Score Distributions: Big Fork River Min: 0 Max: 100 Median: 93.0 Mean: 89.64 Standard Dev: 11.69
Health Score Distributions: Big Fork River Min: 0 Max: 100 Median: 100.0 Mean: 86.92 Standard Dev: 27.11
Health Score Distributions: Big Fork River Min: 100 Max: 100 Median: 100.0 Mean: 100.0 Standard Dev: 0.0
98
99
97
99100
99
999898
100
99
95
98
98
9698
99
98
98
97
98
97
98
9897
100
9998
96
98
95
99
9597
98 9796100
98
95
99
99
99
98
98
97
99
98
99
9893
99
98
99
9897
99
99
98 99
97
97
98
94
10098
97
9998
98
94
9998
99
99
98100
99
96
98
99
96
95
9899
100
97
9598
98
94
9798
97
99
98
9499
95
97
98
100
9799
97
96
9999
92 979699
97 88
97
93
9898
95 989796
95
98
99
93
96
95939796
9993
97 95
9893
9597
9899
9898
97
97
97
79
96
100
100
9698
9899
9899
99
92
98
100
95
91
94
88
8993
919088
90
100 92
September, 2015
86
98
90
99100
90
929995
100
99
61
91
72
4357
92
84
68
87
97
55
90
78
100
7526
44
77
94
91
5859
55
100
2867
97
72
8597
83
80
2742
83
7422
92
100
100
57
7569
84
38
90 95
88
37
100 68
80
10098
33
7152
41
50
9993
97
98
61
82
76
71
100
62
95
75
2551
100
88
5983
68
38
97
100
87
80
62
46
574
95
61
84
93
100
8391
57
87
71
13 895869
90 69
42
18
4994
20 786427
53
87
67
100
84
77
6655
17
73
8657 88 81
8563
6669
9882
6490
54
86
4
78
67
100
3
0
93
7394
8464
99
26
66
100
60
0
100
84
3114
6
100
50
56
67
45
51
48
4768
71
4548
66
50
43
49
62
44
71
4965
56
56
53
6262
51
66
45 53
47
67
50
51
48
45
5646
57
68
49
68
50
45
53
68 62
56
7165
53
46
71
50
47
5656
44 48
47
44
64
47
4962
71
67 62
65
62
48
3549
58
50
57
41
59
57
57
5360
70
56
6550
35
40
70
8060 59
57
52
56
40
66
5470
8259 62
62
48
48
52
51
65
62 62
2580
59
5762
61
66
62
66
5925
73
85
7065
56
61
592957
76
57
51
35
30
53
25
42
3959
49
78
62
76
5262
57
40
13
50
70
84
80
66
65
37
59
66
56
48
50
2958 67
80
50
57
Soil Erosion Potential Terrestrial Habitat Quality
Stream Species Quality - Mussel Score
Health Score Distributions: Big Fork River Min: 33 Max: 100 Median: 76.0 Mean: 76.41 Standard Dev: 12.83
Stream Species Quality - Aquatic Invertebrate IBI
Health Score Distributions: Big Fork River Min: 0 Max: 100 Median: 78.0 Mean: 71.65 Standard Dev: 25.49
Health Score Distributions: Big Fork River Min: 13 Max: 85 Median: 58.0 Mean: 56.44 Standard Dev: 14.06
Health Score Distributions: Big Fork River Min: 43 Max: 71 Median: 53.0 Mean: 55.43 Standard Dev: 8.8
93
97
9193
82
96
76
969886
9898
89
74
85
7981
95
87
89
83
84
98
83
92
7380
8181
87
80
68
76
81
8282
69 6456
96
96
83
99
8081
85
90
66
98
70
61
9185
96
72
99
72
8550
92
72
80 95
91
43
83
84
91
78
8561
54
60
9595
80
99
84
67
83
70
65
65
89
5265
79
7382
81
72
6784
74
81
81
6193
82
78
87
100
7573
80
72
8496
70 737976
86 57
73
73
7289
64 857874
42
73
57
74
76
797066
60
78
8687
7666 58
7856
8284
7089
6162
73
57
84
88
66
72
99
68
5370
6268
61
68
57 61
71
83
63
7269
64 737433
76
98
September, 2015
92
98
9794
93
9193
100
100
94
91
93
6796
97
94
98
94 100
93
91
8887
100100
8992
89 9091100
97
92
100
95
90
7985
96
1009495
100
100
100
100
9696
97
97
67100
96
100
100
98
94100
94
100
96
89100
100
100
96
94
85
100
10091
89
100
100
100100
100
96
100
96
100
100
100
100
91
100100
95
100
100
91
10091
91
100
82
100
89
100
96
92
100
9396
95
100
100
100
100
91
100
100
100
100100
100100
100
92
100
100
92
100100100
100
100
100
97
98
83
100100
100
100
100
100100
100
100100
100100
100100
100100
89
100
100
100
100
100100
100
100 100
98
99
94
99100
98
9995100
99
92
98
97
9597
98
98
98
98
95 100
97
99
9996
100
99
94
98
93
99
9697
98 9792100
97
93
99
97
95
9798
98
9887
98
100
100
98
99
9795
99
98
99 99
99
98100
99
94
10096
98
9998
93
9998
9997100
99
95
98
100
99
96
93
9799
100
95
9498
98100
95
97
100
97
97
99
92
9299
95
98
97
100
95
97
96
99
87 979598
98 90
97
91
9896
93 979899
89
99
100100
93
97
93919796 92
94 95
9995
9399
9998
9897
100
97
97
98
83
95
100
100
100 9598
98
9798
96
95
98
100
94
100
93
95
87
8593
869089
92
100
98
9999
94
99100
95
999998
99
97
93
94
9394
97
96
95
92
99
93
97
9494
100
9488
99
93
94
92
95
9393
94
100
9292
99
97
99
99
9497
95
97
9293
93
8683
95
99
94
9491
98
92
96 98
98
91
95
92
99
89
9591
92
91
98
9796
94
94
94
100
94
94
96
9291
100
93
9193
95
92
100
94
100
95
92
97
93
8998
94
93
94
100
9394
92
91
9498
88 919394
94 88
92
90
9296
92 919293
88
95
91
88
93
929091
90
92
9396
9191 91
9388
9393
9296
9392
92
93
95
93
90
91
99
94
9191
9191
91
92
90 91
88
91
86
8989
95 908989
90
92
Stream Species Quality - Fish IBI Aquatic Connectivity
Riparian Connectivity
Health Score Distributions: Big Fork River Min: 0 Max: 93 Median: 64.0 Mean: 58.65 Standard Dev: 22.3
Non-Point Source - Phosphorus Risk
Health Score Distributions: Big Fork River Min: 67 Max: 100 Median: 100.0 Mean: 97.02 Standard Dev: 5.2
Health Score Distributions: Big Fork River Min: 83 Max: 100 Median: 93.0 Mean: 93.27 Standard Dev: 3.34
Health Score Distributions: Big Fork River Min: 80 Max: 100 Median: 97.0 Mean: 96.34 Standard Dev: 3.49
00
59
0
0
76
6960
75
54
8369
41
39
6477
73
7964 74
64
76
39
56
58
37
75
8061 50
64
62
62
63
70
64
6875
61
5464
54
58
50
88
6568
75
65
0
0
4164
39
86
745764
0
0
57
83
0
70
79
68
64
4676
61
93
64
67
7650
5661
35
73
80
72
79
58
65
88
62
77
5775
59
62
75
69
54
September, 2015
100
100
100100
100
100
100
100100100
100100
100
100
100
100100
100
100
100
100
100
100
100
10077
100
100
100100 100100
100
100
100
100
100
10010099
100100
100
100
100
100
97100
100
100
100
100
100100
100
99
100
98100
100
100
100
100
100
100
100100
95100
100
100100
100
100
100
100
100
100100100
100
100
100
100
100100
100
100
100
100100
100
100100
100
100
97
100
100100
100
100
100
100100
100
100
100100
100 100100 100
100 100
100
100
100100 100100100
100
100
100 100100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100
100
100
100
100100
100 100
100
99
100
100100
100
100
100
9799
100
99
98
97
99 100
98
100
98
100
99
100
10096
97
10099
100
9998100
99
99
100
99
10099
100
100
100
100
100100
100
96
100100
100
98
100
99100
98
100
98
100
100
100
92
100
98
100
10099
96100
98
100
100
96
100100
100
97
100100
100100
100
100
100100
100
100
100 99
99
100100
100
97
100
100
94
100
9999
97
100
94100
97
100
100
100
98
98100
100
100100
98
100
100
100100100
100
100 100
95
100100 100
100
50
96
8898 100
73
100
100100
100
100
100
100100
100
95100100
100
100
100
100
100
100
92
100
100
100
100
100 100
100
100
100
100100
100
100
100
100100100
100100
100
100
100
100100
100
100
100
100
100
100
100
100100
100
100100 100100
100
100
100
100
100
100100
100100
100
100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100
100100
100
100
100100
100 100100100
100 100
100
100
100100
100 100100100
100
100
100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100
100
100
100
100
100 100
Localized Pollution Sources
Localized Pollution Sources - Potential Contaminants Localized Pollution Sources - Superfund Sites
Health Score Distributions: Big Fork River Min: 80 Max: 100 Median: 100.0 Mean: 97.63 Standard Dev: 4.01
Health Score Distributions: Big Fork River Min: 77 Max: 100 Median: 100.0 Mean: 99.81 Standard Dev: 1.71
Health Score Distributions: Big Fork River Min: 100 Max: 100 Median: 100.0 Mean: 100.0 Standard Dev: 0.0
Health Score Distributions: Big Fork River Min: 50 Max: 100 Median: 100.0 Mean: 98.92 Standard Dev: 4.29
100
96
100
100100
100
100
100
9698
100
98
98
100
98
98
100
96
100
92
100
10098
98
100
100
98
100
96100
100
10090
100100
100
100
100
100
100
9898
10010098
100100
100
96
100
98100
9884
100
100
100
100
98
100
98
100
100100
100
98
98100
98
100
100
92
100
98100
94
100100
100
100
100
100
100
100
100
100
96
100100
100
94
100
98
100
98
9888
100
94
98 88
98
96100
9896
100
100
100
94
100
98
100
100100
98
100100
10098
100
949898
100
96
100
88
10098 100
98
84
98
9498
98
96
94
90
100
98
100
100
100 96
10096
100
96
92
96
100
100
94
96
88
80
100
8098
9692
100
100
Localized Pollution Sources - Animal Units
September, 2015
100
100
100100
100
100
100
100100100
100100
100
100
100
100100
100
100
100
100
100
100
100
100100
100
100100 100100
100
100
100
100
100
100100
100100
100
100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100
100100
100
100
100100
100 100100100
100 100
100
100
100100
100 100100100
100
100
100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100
100
100
100
100
100 100
100
91
100
100100
100
99
99
100
100
9796
100
97
95
99 100
98
96
9997
100
9999
87
100
98
78
9696
10099
100
96
100
89100
99
97
99
9798
99
9994
99
100
100
100
9696
99
99
98
95
99
88
100
97100
96
98
52
100
99 99
99100
100
96
99
100
99
96
98
9898
100
97
100
81
100
99
99
85
100
99
100
100
100
100
99
99
100
99
86
87
93
100
98
93
9272 9982
99
95 61
92
9199
94 979792
100
86100
96
100
10098
100100
92 849195
100
99
95 6494 92
99
99
9195
927775
85
79
97
94
100
100 89
100
100
97 87
100
90
77
100
83
90
66
46
100
3797
8978100
100
Localized Pollution Sources - Wastewater Treatment
Localized Pollution Sources - Septic Systems
Health Score Distributions: Big Fork River Min: 95 Max: 100 Median: 100.0 Mean: 99.97 Standard Dev: 0.36
Health Score Distributions: Big Fork River Min: 100 Max: 100 Median: 100.0 Mean: 100.0 Standard Dev: 0.0
Health Score Distributions: Big Fork River Min: 37 Max: 100 Median: 98.0 Mean: 93.66 Standard Dev: 10.95
100
100
100100
100
100
100
100
95
100
99
100
100100
100
100
100
100
100
100
100
100
100
100
100100
100
100100 100100
100
100
100
100
100
100100
100100
100
100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100100
100
100
100100
100
100
100
100
100
100100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100100
100
100
100
100100
100
100
100100
100 100100100
100 100
100
100
100100
100 100100100
100
100
100
100
100
100100
100
100
100
100100
100
100
100100
100
100
100
100
100
100
100
100
100
100
100
100
100 100
Localized Pollution Sources - Open Pit Mines
September, 2015
