Jump to main content.


Return to home page

On This Page
State: Montana
Waterbody ID: MT40D001_010
Location: BIG DRY CREEK, Steves Fork to mouth (Fort Peck Reservoir)
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 96.1
Units: miles
Watershed Name: Fort Peck Reservoir Big Dry

Waterbody History Report

Data are also available for these years: 2012 2010 2006 2004 2002 2000

2008 Waterbody Report for Big Dry Creek


Click on the waterbody for an interactive map


Water Quality Assessment Status for Reporting Year 2008

The overall status of this waterbody is Impaired.


Description of this table
Aquatic Life Fish, Shellfish, And Wildlife Protection And Propagation Impaired
Primary Contact Recreation Recreation Impaired
Warm Water Fishery Fish, Shellfish, And Wildlife Protection And Propagation Impaired

Top of page



Causes of Impairment for Reporting Year 2008


Description of this table
Alteration in Stream-Side or Littoral Vegetative Covers Habitat Alterations Primary Contact Recreation, Warm Water Fishery, Aquatic Life Non-pollutant impairment
Ammonia, Un-ionized Ammonia Primary Contact Recreation, Aquatic Life, Warm Water Fishery TMDL needed
Nitrate as Nitrogen Nutrients   TMDL needed
Nitrogen, Nitrate Nutrients Aquatic Life, Primary Contact Recreation, Warm Water Fishery TMDL needed
Phosphorus, Total Nutrients Warm Water Fishery, Primary Contact Recreation, Aquatic Life TMDL needed
Total Kjehldahl Nitrogen (TKN) Nutrients Primary Contact Recreation, Warm Water Fishery, Aquatic Life TMDL needed

Top of page



Probable Sources Contributing to Impairment for Reporting Year 2008


Description of this table
Agriculture Agriculture Alteration in Stream-Side or Littoral Vegetative Covers; Nitrogen, Nitrate
Municipal Point Source Discharges Municipal Discharges/Sewage Ammonia, Un-ionized; Nitrogen, Nitrate; Phosphorus, Total; Total Kjehldahl Nitrogen (TKN)

Top of page



TMDLs That Apply to this waterbody



No TMDL data have been recorded by EPA for this waterbody.

Top of page



Previous Causes of Impairments Now Attaining All Uses


Description of this table
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing
Total Kjehldahl Nitrogen (TKN) 2000, 2002, 2004, 2006, 2008, 2010, 2012 May-08-2012 Applicable WQS attained; reason for recovery unspecified. TKN listing replaced by TN listing

Top of page



Jump to main content.