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Colorado State Report
Other states that contain this watershed:
Kansas, Upper Arkansas-John Martin Reservoir Watershed

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Water Quality Data Available for this Watershed

Colorado, Upper Arkansas-John Martin Reservoir Watershed


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Assessment Summary for Reporting Year 2006
Colorado, Upper Arkansas-John Martin Reservoir Watershed

Description of this table
Click here to list Threatened and Impaired Waters Only
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Adobe & Gageby Creeks, West May Valley Drain, Willow Creek COARLA09A_4100 Huc: 11020009 Waterbody Map River 112.1 Miles Impaired TMDL needed
Adobe Creek Reservoir COARLA10_4103 Two Buttes Reservoir, Two Buttes Pond, Hasty Lake, Holbrook Reservoir, Burchfield Lake, Nee-Skah (Queens) Reservoir, Adobe Creek Reservoir, Neeso Pah Reservoir, Nee Noshe Reservoir; Nee Gronda Reservoir. Waterbody Map Freshwater Lake 4,105.0 Acres Not_Assessed  
Arkansas River - West Of Las Animas To J. Martin Reservoir COARLA01B_4100 Huc: 11020009 Waterbody Map River 11.6 Miles Impaired TMDL needed
Arkansas River Below J. Martin Reservoir COARLA01C_4100 Huc: 11020009 Waterbody Map River 62.5 Miles Impaired TMDL needed
Arkansas River Tributaries COARLA02A_4100 Huc: 11020009 Data Unavailable River 1,919.2 Miles Not_Assessed  
John Martin Reservoir COARLA11_4100 John Martin Reservoir. Waterbody Map Freshwater Lake 3,112.5 Acres Good  
Nee Gronda Reservoir COARLA10_4102 Two Buttes Reservoir, Two Buttes Pond, Hasty Lake, Holbrook Reservoir, Burchfield Lake, Nee-Skah (Queens) Reservoir, Adobe Creek Reservoir, Neeso Pah Reservoir, Nee Noshe Reservoir; Nee Gronda Reservoir. Waterbody Map Freshwater Lake 3,490.0 Acres Not_Assessed  
Neenoshe, Neeskah & Neespah Reservoirs COARLA10_4101 Two Buttes Reservoir, Two Buttes Pond, Hasty Lake, Holbrook Reservoir, Burchfield Lake, Nee-Skah (Queens) Reservoir, Adobe Creek Reservoir, Neeso Pah Reservoir, Nee Noshe Reservoir; Nee Gronda Reservoir. Waterbody Map Freshwater Lake 734.4 Acres Not_Assessed  
Rule, Muddy, Caddoa, Clay & Cat Creeks COARLA09C_4100 Huc: 11020009 Waterbody Map River 172.2 Miles Not_Assessed  
Thurston Res, Karvel Lake, Las Animas Kid'S Pond COARLA13_4100 Huc: 11020009 Waterbody Map Freshwater Lake 239.8 Acres Good  
Wild Horse, Buffalo & Wolf Creeks COARLA09B_4100 Huc: 11020009 Waterbody Map River 67.1 Miles Not_Assessed  

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Causes of Impairment for Reporting Year 2006

Colorado, Upper Arkansas-John Martin Reservoir

Description of this table
NOTE: Click on the underlined "Cause of Impairment" value to see a listing of those waters with that cause of impairment.
Size of Assessed Waters with Listed Causes of Impairment
Selenium 186.1  

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Probable Sources Contributing to Impairments for Reporting Year 2006

Colorado, Upper Arkansas-John Martin Reservoir Watershed

Description of this table
Size of Assessed Waters with Probable Sources of Impairments
Source Unknown 186.1  

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TMDL Alternatives by Cause of Impairment for Reporting Year 2006


Colorado, Upper Arkansas-John Martin Reservoir Watershed


No TMDL Alternatives reported.

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Cumulative TMDLs by Pollutant

Colorado, Upper Arkansas-John Martin Reservoir Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Fecal Coliform color.gif 1 1

Total: 1 TMDLs; 0 Causes of Impairment



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