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Boulder County

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


[+] Mapped Wetland Area



Wetland Mapping Summary

Area of mapped wetlands 17,849 acres
Percent of basin mapped as wetlands 4%


Wetland Area by Type (acres)

Freshwater Herbaceous3,69821%
Freshwater Shrub 3,75021%
Freshwater Forested 1861%
Ponds 2,76215%
Lakes 6,89239%
Rivers 5453%
Other 16< 1%

Wetland Area Mapped with Modifiers (acres)

Excavated 2,67915%
Dammed 4,87927%
Ditched/Drained 0None
Farmed 0None
Modified by Beaver 0None




[+] Wetland Landscape Stressors



Weltand Area by Stressor Class (acres)

No Stress18,8244%
Low Stress100,58521%
Moderate Stress73,56216%
High Stress69,09215%
Severe Stress211,81045%




[+] County Geography and Land Ownership


Total Area and Elevation Range

Total Area 473,876 acres 1,918 sq km
Maximum elevation 14,258 ft 4,347 m
Minimum elevation 4,894 ft 1,492 m
Average elevation 7,395 ft 2,255 m


Land Ownership (acres)

Total Federal Lands 168,823 36%
 Bureau of Land Management2,101< 1%
 Federal Land, Misc2,240< 1%
 Fish and Wildlife Service5< 1%
 National Park Service27,3856%
  Total Forest Service Lands 137,091 29%
  Arapaho and Roosevelt National Forests, Pawnee National Grassland137,09129%
Total State 2,541 < 1%
 Colorado Division of Wildlife172< 1%
 Colorado State Land Board1,325< 1%
 Colorado State Parks1,043< 1%
 State Land, Misc1< 1%
City, County, and Other Local Government Lands 99,016 21%
Land Trusts and Non-Governmental Organizations 1,294 < 1%
Tribal Lands 0 None
Private Lands 202,203 43%


Ecoregions (acres)

21: Southern Rockies 306,40065%
 21a: Alpine Zone46,89010%
 21b: Crystalline Subalpine Forests60,81413%
 21c: Crystalline Mid-Elevation Forests178,07238%
 21d: Foothill Shrublands20,6244%
25: High Plains 167,47635%
 25d: Flat to Rolling Plains8,2452%
 25l: Front Range Fans159,23134%