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San Juan 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 5,612 acres
Percent of basin mapped as wetlands 2%


Wetland Area by Type (acres)

Freshwater Herbaceous1,94835%
Freshwater Shrub 1,48126%
Freshwater Forested 0< 1%
Ponds 1,48626%
Lakes 4618%
Rivers 2284%
Other 7< 1%

Wetland Area Mapped with Modifiers (acres)

Excavated 28< 1%
Dammed 15< 1%
Ditched/Drained 0None
Farmed 0None
Modified by Beaver 1643%




[+] Wetland Landscape Stressors



Weltand Area by Stressor Class (acres)

No Stress76,00331%
Low Stress130,84853%
Moderate Stress27,78211%
High Stress10,2694%
Severe Stress3,8722%




[+] County Geography and Land Ownership


Total Area and Elevation Range

Total Area 248,772 acres 1,007 sq km
Maximum elevation 13,873 ft 4,230 m
Minimum elevation 8,158 ft 2,487 m
Average elevation 11,384 ft 3,471 m


Land Ownership (acres)

Total Federal Lands 219,887 88%
 Bureau of Land Management44,37618%
  Total Forest Service Lands 175,511 71%
  Grand Mesa, Uncompahgre, and Gunnison National Forests1,969< 1%
  Rio Grande National Forest22,1799%
  San Juan National Forest151,36361%
Total State 1,254 < 1%
 Colorado State Land Board1,254< 1%
City, County, and Other Local Government Lands 0 None
Land Trusts and Non-Governmental Organizations 0 None
Tribal Lands 0 None
Private Lands 27,631 11%


Ecoregions (acres)

21: Southern Rockies 248,772100%
 21a: Alpine Zone155,98663%
 21b: Crystalline Subalpine Forests38,41815%
 21e: Sedimentary Subalpine Forests25,35210%
 21g: Volcanic Subalpine Forests29,01712%