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Montana State Report

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Water Quality Data Available for this Watershed

Montana, Jefferson Watershed


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Features

Assessment Summary for Reporting Year 2010
Montana, Jefferson 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.
Waterbody Name Waterbody ID Location Map Waterbody Type Size Units Status State TMDL Development Status
Big Pipestone Creek MT41G002_010 Big Pipestone Creek, Headwaters To Mouth (Jefferson Slough), T1n R4w S11 Waterbody Map River 22.5 Miles Impaired TMDL needed
Charcoal Creek MT41G002_150 Charcoal Creek, Headwaters To Mouth (Pony Creek) Waterbody Map River 2.7 Miles Impaired TMDL needed
Cherry Creek MT41G002_110 Cherry Creek, Headwaters To Mouth (Jefferson River) Waterbody Map River 6.9 Miles Impaired TMDL needed
Dry Boulder Creek MT41G002_120 Dry Boulder Creek, Headwaters To Mouth (Parrot Ditch), T2s R5w S18 Waterbody Map River 10.7 Miles Good  
Fish Creek MT41G002_100 Fish Creek, Headwaters To Mouth (Jefferson Canal), T1s R5w S12 Waterbody Map River 19.9 Miles Impaired TMDL completed
Fitz Creek MT41G002_160 Fitz Creek, Headwaters To Mouth (Little Whitetail Creek) Waterbody Map River 4.7 Miles Impaired TMDL needed
Halfway Creek MT41G002_020 Halfway Creek, Headwaters To Mouth (Big Pipestone Creek-Jefferson River) Waterbody Map River 7.9 Miles Impaired TMDL needed
Hells Canyon Creek MT41G002_030 Hells Canyon Creek, Headwaters To Mouth (Jefferson River) Waterbody Map River 13.3 Miles Impaired TMDL completed
Jefferson River MT41G001_011 Jefferson River, Headwaters To Jefferson Slough Waterbody Map River 66.3 Miles Impaired TMDL needed
Jefferson River MT41G001_012 Jefferson River, Jefferson Slough To Mouth (Missouri River) Waterbody Map River 53.6 Miles Impaired TMDL needed
Little Pipestone Creek MT41G002_040 Little Pipestone Creek, Headwaters To Mouth (Big Pipestone Creek) Waterbody Map River 16.9 Miles Impaired TMDL needed
Little Whitetail Creek MT41G002_141 Little Whitetail Creek, Headwater To Mouth (Whitetail Creek) Data Unavailable River 17.2 Miles Not_Assessed  
North Willow Creek MT41G002_050 North Willow Creek, Headwaters To Mouth (Willow Creek) Waterbody Map River 17.6 Miles Impaired TMDL needed
Norwegian Creek MT41G002_090 Norwegian Creek, Headwaters To Mouth (Willow Creek Reservoir) Waterbody Map River 10.8 Miles Impaired TMDL needed
South Boulder River MT41G002_060 South Boulder River, Headwaters To Mouth (Jefferson River) Waterbody Map River 23.3 Miles Impaired TMDL needed
South Willow Creek MT41G002_130 South Willow Creek, Headwaters To Mouth (Willow Creek) Waterbody Map River 16.2 Miles Impaired TMDL needed
Whitetail Creek MT41G002_140 Whitetail Creek, Whitetail Reservoir To Mouth (Jeferson Slough) Waterbody Map River 23.4 Miles Impaired TMDL needed
Whitetail Reservoir MT41G003_140 Whitetail Reservoir Data Unavailable Freshwater Lake 834.7 Acres Not_Assessed  
Willow Creek MT41G002_080 Willow Creek, North And South Fork Confluence To Mouth (Jefferson River) Waterbody Map River 15.3 Miles Impaired TMDL needed

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Causes of Impairment for Reporting Year 2010

Montana, Jefferson

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.
Cause of Impairment Size of Assessed Waters with Listed Causes of Impairment
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)
Aluminum 23.4  
Low Flow Alterations 255.8  
Physical Substrate Habitat Alterations 189.5  
Chlorophyll-A 23.4  
Zinc 38.4  
Arsenic 34.1  
Cause Unknown 22.5  
Excess Algal Growth 16.2  
Lead 184.2  
Phosphorus, Total 101.6  
Copper 166.6  
Nitrate/Nitrite (Nitrite + Nitrate as N) 23.4  
Ammonia, Un-ionized 23.4  
Silver 23.4  
Nitrogen, Total 39.3  
Other Anthropogenic Substrate Alterations 22.5  
Solids (Suspended/Bedload) 119.9  
Temperature, Water 168.5  
Total Suspended Solids (TSS) 22.5  
Alteration in Stream-Side or Littoral Vegetative Covers 149.4  
Mercury 40.9  
Sedimentation/Siltation 265.0  
Total Kjehldahl Nitrogen (TKN) 34.2  

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Probable Sources Contributing to Impairments for Reporting Year 2010

Montana, Jefferson Watershed

Description of this table
Probable Source Size of Assessed Waters with Probable Sources of Impairments
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)
Acid Mine Drainage 38.6  
Agriculture 56.3  
Animal Feeding Operations (Nps) 10.8  
Channelization 56.9  
Contaminated Sediments 23.3  
Dam Or Impoundment 142.4  
Flow Alterations From Water Diversions 78.7  
Forest Roads (Road Construction And Use) 42.3  
Grazing In Riparian Or Shoreline Zones 139.3  
Habitat Modification - Other Than Hydromodification 22.5  
Highway/Road/Bridge Runoff (Non-Construction Related) 55.5  
Highways, Roads, Bridges, Infrastructure (New Construction) 22.5  
Impacts From Abandoned Mine Lands (Inactive) 186.9  
Impacts From Hydrostructure Flow Regulation/Modification 143.2  
Irrigated Crop Production 265.7  
Loss Of Riparian Habitat 157.1  
Mine Tailings 23.3  
Municipal Point Source Discharges 22.5  
Natural Sources 167.0  
Rangeland Grazing 23.4  
Sediment Resuspension (Clean Sediment) 22.5  
Silviculture Activities 13.3  
Source Unknown 29.3  
Streambank Modifications/Destabilization 142.4  
Subsurface (Hardrock) Mining 41.0  
Unspecified Unpaved Road Or Trail 46.4  
Upstream Source 23.4  

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TMDL Alternatives by Cause of Impairment for Reporting Year 2010


Montana, Jefferson Watershed


No TMDL Alternatives reported.

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Cumulative TMDLs by Pollutant

Montana, Jefferson 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.
Pollutant Number of TMDLs Completed Number of Causes of
Impairment Addressed
Sedimentation/Siltation color.gif 5 5
Arsenic color.gif 1 1
Cadmium color.gif 1 1
Copper color.gif 1 1
Iron color.gif 1 1
Lead color.gif 1 1
Sediment color.gif 1 1
Total Suspended Solids (TSS) color.gif 1 2
Zinc color.gif 1 1

Total: 13 TMDLs; 0 Causes of Impairment



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