Mapping > View Data Summaries (River Subbasin) > Lower San Juan-Four Corners Profile

The Lower San Juan-Four Corners 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 368 acres
Percent of basin mapped as wetlands < 1%


Wetland Area by Type (acres)

Freshwater Herbaceous298%
Freshwater Shrub 20355%
Freshwater Forested 0None
Ponds 8824%
Lakes 0None
Rivers 257%
Other 236%

Wetland Area Mapped with Modifiers (acres)

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




[+] Wetland Landscape Stressors



Weltand Area by Stressor Class (acres)

No Stress14,23114%
Low Stress51,73651%
Moderate Stress21,08221%
High Stress10,81111%
Severe Stress4,0434%




[+] River Subbasin Geography and Land Ownership


Total Area and Elevation Range

Total Area 101,904 acres 412 sq km
Maximum elevation 9,210 ft 2,808 m
Minimum elevation 4,595 ft 1,401 m
Average elevation 5,372 ft 1,638 m


Land Ownership (acres)

Total Federal Lands 0 None
  Total Forest Service Lands 0 None
Total State 0 None
City, County, and Other Local Government Lands 0 None
Land Trusts and Non-Governmental Organizations 0 None
Tribal Lands 100,926 99%
Private Lands 978 < 1%


Ecoregions (acres)

20: Colorado Plateaus 101,904100%
 20b: Shale Deserts and Sedimentary Basins71,40970%
 20c: Semiarid Benchlands and Canyonlands12,87813%
 20d: Arid Canyonlands17,61617%