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Legend (WT_TMDL/WY_HWHQW_AW_STATEWIDE_EXT)

Watershed Health Index (Ranks & Scores) (2)
Healthiest (Top 10 Percentile) Healthiest (Top 10 Percentile)
Least Healthy (Bot. 10 Percentile) Least Healthy (Bot. 10 Percentile)
% Natural Land Cover (4)
>=95% >=95%
95% - 85% 95% - 85%
85% - 75% 85% - 75%
75% - 65% 75% - 65%
65% - 55% 65% - 55%
55% - 45% 55% - 45%
45% - 35% 45% - 35%
35% - 25% 35% - 25%
25% - 15% 25% - 15%
<15% <15%
% Natural Land Cover (Hydrologically Active Zone) (5)
>=95% >=95%
95% - 85% 95% - 85%
85% - 75% 85% - 75%
75% - 65% 75% - 65%
65% - 55% 65% - 55%
55% - 45% 55% - 45%
45% - 35% 45% - 35%
35% - 25% 35% - 25%
25% - 15% 25% - 15%
<15% <15%
Population Density (6)
95% - 0 % (Highest Density) 95% - 0 % (Highest Density)
98% - 95% 98% - 95%
98.9% - 98% 98.9% - 98%
99.4% - 98.9% 99.4% - 98.9%
100% - 99.4% (Lowest Density) 100% - 99.4% (Lowest Density)
Population Density (Riparian Zone) (7)
91.5% - 0% (Highest Density) 91.5% - 0% (Highest Density)
96.1% - 91.5% 96.1% - 91.5%
97.8% - 96.1% 97.8% - 96.1%
98.9% - 97.8% 98.9% - 97.8%
100% - 98.9% (Lowest Density) 100% - 98.9% (Lowest Density)
% Watershed Ag. on Nitrogen Sensitive Soil (8)
100% - 97% (Lowest) 100% - 97% (Lowest)
97% - 90% 97% - 90%
90% - 79% 90% - 79%
79% - 61% 79% - 61%
61% - 0% (Highest) 61% - 0% (Highest)
% Watershed Ag. on Hydric Soil (9)
100% - 99% (Lowest) 100% - 99% (Lowest)
99% - 96% 99% - 96%
96% - 88% 96% - 88%
88% - 72% 88% - 72%
72% - 0% (Highest) 72% - 0% (Highest)
Dam Storage Ratio (11)
99.2% - 0% (Highest Density) 99.2% - 0% (Highest Density)
99.9% - 99.2% 99.9% - 99.2%
100% - 99.9% (Lowest Density) 100% - 99.9% (Lowest Density)
% Forest Remaining (12)
>=95% >=95%
95% - 85% 95% - 85%
85% - 75% 85% - 75%
75% - 65% 75% - 65%
65% - 55% 65% - 55%
55% - 45% 55% - 45%
45% - 35% 45% - 35%
35% - 25% 35% - 25%
25% - 15% 25% - 15%
<15% <15%
% Wetlands Remaining (13)
>=95% >=95%
95% - 85% 95% - 85%
85% - 75% 85% - 75%
75% - 65% 75% - 65%
65% - 55% 65% - 55%
55% - 45% 55% - 45%
45% - 35% 45% - 35%
35% - 25% 35% - 25%
25% - 15% 25% - 15%
<15% <15%
Below Calculation Threshold Below Calculation Threshold
% Impervious Cover (14)
100% - 99% (Lowest Impervious Cover) 100% - 99% (Lowest Impervious Cover)
99% - 98% 99% - 98%
98% - 97% 98% - 97%
97% - 93% 97% - 93%
93% - 0% (Highest Impervious Cover) 93% - 0% (Highest Impervious Cover)
Wetlands By Design: Surface Water Supply (15)
100% - 38% (Highest Remaining Capcity) 100% - 38% (Highest Remaining Capcity)
38% - 25% 38% - 25%
25% - 15% 25% - 15%
15% - 7% 15% - 7%
7% - 0% (Lowest Remaining Capacity) 7% - 0% (Lowest Remaining Capacity)
Density Road-Stream Crossings (16)
100% - 90% (Lowest Density) 100% - 90% (Lowest Density)
90% - 83% 90% - 83%
83% - 73% 83% - 73%
73% - 57% 73% - 57%
57% - 0% (Highest Density) 57% - 0% (Highest Density)
Dam Density (18)
100% - 96% (Lowest Density) 100% - 96% (Lowest Density)
96% - 93% 96% - 93%
93% - 0% (Highest Density) 93% - 0% (Highest Density)
% Ditch Drained Area (19)
100% - 99% (Least Ditched) 100% - 99% (Least Ditched)
99% - 99.6% 99% - 99.6%
99.6% - 94% 99.6% - 94%
94% - 82% 94% - 82%
82% - 0% (Most Ditiched) 82% - 0% (Most Ditiched)
Road Density (Riparian Zone) (20)
100% - 87% (Least Density) 100% - 87% (Least Density)
87% - 80% 87% - 80%
80% - 73% 80% - 73%
73% - 59% 73% - 59%
59% - 0% (Highest Density) 59% - 0% (Highest Density)
% High Intensity Land Cover (Riparian Zone) (21)
100% - 98% (Lowest) 100% - 98% (Lowest)
98% - 84% 98% - 84%
84% - 67% 84% - 67%
67% - 49% 67% - 49%
49% - 0% (Highest) 49% - 0% (Highest)
Wetlands by Design: Flood Abatement (22)
100% - 38% (Highest Remaining Capacity) 100% - 38% (Highest Remaining Capacity)
38% - 25% 38% - 25%
25% - 15% 25% - 15%
15% - 6.7% 15% - 6.7%
6.7% - 0% (Lowest Remaining Capacity) 6.7% - 0% (Lowest Remaining Capacity)
Habitat Condition Index (Riparian Buffer) (24)
100% - 99.6% (Low Degradation Potential) 100% - 99.6% (Low Degradation Potential)
99.6% - 90% 99.6% - 90%
90% - 74% 90% - 74%
74% - 55% 74% - 55%
55% - 0% (High Degradation Potential) 55% - 0% (High Degradation Potential)
Wetlands By Design: Fish and Aquatic Habitat (25)
100% - 36% (Highest Remaining Capacity) 100% - 36% (Highest Remaining Capacity)
36% - 23% 36% - 23%
23% - 13% 23% - 13%
13% - 6% 13% - 6%
6% - 0% (Lowest Remaining Capacity) 6% - 0% (Lowest Remaining Capacity)
Mean River and Stream Biologic Condition (27)
100% - 69% (Good Condition Probability) 100% - 69% (Good Condition Probability)
69% - 51% 69% - 51%
51% - 38% 51% - 38%
38% - 23% 38% - 23%
23% - 0% (Degraded Condition Probability) 23% - 0% (Degraded Condition Probability)
River and Stream Biologic Condition (Watershed Outlet) (28)
100% - 78% (Good Condition Probability) 100% - 78% (Good Condition Probability)
78% - 57% 78% - 57%
57% - 38% 57% - 38%
38% - 23% 38% - 23%
23% - 0% (Degraded Condition Probability) 23% - 0% (Degraded Condition Probability)
% Wadeable Streams with Good to Excellent IBI Scores (29)
100% - 99.9% (Good Condition Probability) 100% - 99.9% (Good Condition Probability)
99.9% - 94% 99.9% - 94%
94% - 76% 94% - 76%
76% - 32% 76% - 32%
32% - 0% (Degraded Condition Probability) 32% - 0% (Degraded Condition Probability)
% CWA 303(d) Supporting Area (31)
100% - 99% 100% - 99%
99% - 62% 99% - 62%
62% - 0% 62% - 0%
% CWA 303(d) Supporting Stream Length (32)
100% - 99% 100% - 99%
99% - 65% 99% - 65%
65% - 19% 65% - 19%
19% - 0% 19% - 0%
Wetlands by Design: Sediment Retention (33)
100% - 34% (Highest Remaining Capacity) 100% - 34% (Highest Remaining Capacity)
34% - 18.9% 34% - 18.9%
18.9% - 9.6% 18.9% - 9.6%
9.6% - 3.9% 9.6% - 3.9%
3.9% - 0% (Lowest Remaining Capacity) 3.9% - 0% (Lowest Remaining Capacity)
Wetlands by Design: Nutrient Transformation (34)
100% - 37% (Highest Remaining Capacity) 100% - 37% (Highest Remaining Capacity)
37% - 24% 37% - 24%
24% - 13% 24% - 13%
13% - 5.7% 13% - 5.7%
5.7% - 0% (Lowest Remaining Capacity) 5.7% - 0% (Lowest Remaining Capacity)
Opportunity Index (Ranks & Scores) (36)
Most Opportunity (Top 10 Percentile) Most Opportunity (Top 10 Percentile)
Least Opportunity (Bot.10 Percentile) Least Opportunity (Bot.10 Percentile)
Freshwater Fishing Demand (38)
Highest Demand Highest Demand
Lowest Demand Lowest Demand
Conservation Opportunity Area (Stream & River Length) (39)
Most Length Most Length
No Length No Length
Conservation Opportunity Area (Terrestrial & Lake Area) (40)
Most Area Most Area
No Area No Area
Brook Trout Environmental Resilience Reserve Areas (41)
Reserve Areas Reserve Areas
Not a Reserve Area Not a Reserve Area
Count of Lake, River & Watershed Assoc. (42)
4 - 9 4 - 9
3 3
2 2
1 1
None None
TMDL Protection Priority Watersheds (43)
Protection Priority Protection Priority
Not a Protection Priority Not a Protection Priority
Forest Abundance (44)
Most Abundance Most Abundance
Least Abundance Least Abundance
Forest Rarity (45)
More Rarity More Rarity
Less Rarity Less Rarity
Vulnerability Index (Ranks & Scores) (47)
Most Vulnerable (Top 10 Percentile) Most Vulnerable (Top 10 Percentile)
Least Vulnerable (Bot. 10 Percentile) Least Vulnerable (Bot. 10 Percentile)
% Urban Change (2001 - 2016) (49)
Most Change Most Change
No Change No Change
% Proj. Developed Cover Change (2010 - 2050) (50)
Most Change Most Change
No Change No Change
% Agricultural Cover Change (2001 to 2016) (51)
Gaining Agriculture Gaining Agriculture
Losing Some Agriculture Losing Some Agriculture
Losing More Agriculture Losing More Agriculture
% Human Use Change (2001 - 2016, Hydro Con Zone) (52)
Gaining Most Urban Cover Gaining Most Urban Cover
Gaining Some Urban Cover Gaining Some Urban Cover
Losing Most Urban Cover Losing Most Urban Cover
% Waters Near ≥ 5% Impervious Cover (53)
Most % (Top 20 Percentile) Most % (Top 20 Percentile)
Least % (Bot. 20 Percentile) Least % (Bot. 20 Percentile)
Avg. Proj. Summer Air Temp. Change (2061-2090) (54)
5.14 - 5.16 degrees 5.14 - 5.16 degrees
5.12 - 5.14 degrees 5.12 - 5.14 degrees
5.08 - 5.12 degrees 5.08 - 5.12 degrees
5.02 - 5.08 degrees 5.02 - 5.08 degrees
4.94 - 5.02 degrees 4.94 - 5.02 degrees
% Proj. Change in Spring Runoff Vol. (2061 - 2095) (55)
24.36 - 31.38% 24.36 - 31.38%
19.62 - 24.36% 19.62 - 24.36%
16.61 - 19.62% 16.61 - 19.62%
12.72 - 16.61% 12.72 - 16.61%
6.98 - 12.72% 6.98 - 12.72%
Count of Waterway and Wetland Permit Requests 2015-2020 (56)
13 - 106 13 - 106
7 - 13 7 - 13
4 - 7 4 - 7
2 - 4 2 - 4
1 - 2 1 - 2
Wetlands By Design: Cumulative Loss of Wetland Ecosystem Functions (57)
Most Loss Most Loss
Least Loss Least Loss
Protection Potential Index (Ranks & Scores) (59)
Most Potential (Top 10 Percentile) Most Potential (Top 10 Percentile)
Least Potential (Bot. 10 Percentile) Least Potential (Bot. 10 Percentile)