Mapping > View Data Summaries (River Subbasin) > Big Thompson Profile

The Big Thompson Subbasin

Profile | PCAs | Tracked Elements | Reports


To view mapped wetlands online, click one of the links below.


[+] Mapped Wetland Area



Wetland Mapping Summary

Area of mapped wetlands 18,549 acres
Percent of basin mapped as wetlands 3%


Wetland Area by Type (acres)

Freshwater Herbaceous3,90521%
Freshwater Shrub 2,89016%
Freshwater Forested 161< 1%
Ponds 2,12211%
Lakes 8,77547%
Rivers 6293%
Other 68< 1%

Wetland Area Mapped with Modifiers (acres)

Excavated 0< 1%
Dammed 0< 1%
Ditched/Drained 0None
Farmed 0None
Modified by Beaver 0None




[+] Wetland Landscape Stressors



Weltand Area by Stressor Class (acres)

No Stress64,91012%
Low Stress129,28124%
Moderate Stress76,52714%
High Stress65,20712%
Severe Stress196,10637%




[+] River Subbasin Geography and Land Ownership


Total Area and Elevation Range

Total Area 532,030 acres 2,153 sq km
Maximum elevation 14,258 ft 4,347 m
Minimum elevation 4,670 ft 1,424 m
Average elevation 7,299 ft 2,225 m


Land Ownership (acres)

Total Federal Lands 230,669 43%
 Bureau of Land Management212< 1%
 Federal Land, Misc3,109< 1%
 National Park Service102,79919%
  Total Forest Service Lands 124,549 23%
  Arapaho and Roosevelt National Forests, Pawnee National Grassland124,54923%
Total State 4,393 < 1%
 Colorado Division of Wildlife265< 1%
 Colorado State Land Board3,743< 1%
 Colorado State Parks301< 1%
 State Land, Misc83< 1%
City, County, and Other Local Government Lands 20,691 4%
Land Trusts and Non-Governmental Organizations 1,879 < 1%
Tribal Lands 0 None
Private Lands 274,399 52%


Ecoregions (acres)

21: Southern Rockies 381,39472%
 21a: Alpine Zone42,2678%
 21b: Crystalline Subalpine Forests80,12715%
 21c: Crystalline Mid-Elevation Forests207,04939%
 21d: Foothill Shrublands51,95010%
25: High Plains 150,63728%
 25d: Flat to Rolling Plains78,29515%
 25l: Front Range Fans72,34214%