Total Maximum Daily Load (TMDL) Program

Beaverhead Metals TMDLs – September 2020 (3.23 MB)

• Appendix A: Regulatory Framework and Reference Condition Approach
• Appendix B: Water Quality Data
• Appendix C: TMDL Examples and Calculations
• EPA Approval Letter

Beaverhead Sediment Total Maximum Daily Loads and Framework Water Quality Protection Plan (3.6 MB)

• Appendix A: Maps and Tables (2.3 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.37 MB)
• Appendix C: 2010/2011 Sediment and Habitat Data Collection Methods and Data Summary – Beaverhead TPA (1.7 MB)
• Appendix D: Additional Sediment Relevant Data Collected in the Beaverhead TPA (0.60 MB)
• Appendix E: Streambank Erosion Source Assessment (0.55 MB)
• Appendix F: Upland Sediment Source Assessment (2.6 MB)
• Appendix G: Unpaved Road Assessment (3.5 MB)
• Appendix H: Total Maximum Daily Loads (0.33 MB)
• Attachment A: Beaverhead River Flushing Flow Study (4.5 MB)
• Attachment B: Memorandum to FWP from Applied Geomorphology in Regards to the Clark Canyon Creek Field Visit, September 13, 2011 (5.5 MB)
• EPA Approval Letter

Big Creek Watershed Restoration Plan (2.9 MB)

• EPA Approval Letter
• Big Creek Sediment TMDL Implementation Evaluation, March 2011 (0.85 MB)

Big Creek Flow Restoration Plan (0.56 MB)

• EPA Approval Letter

Big Sandy Creek Salinity TMDL & Water Quality Restoration Plan (3.7 MB)

• EPA Approval Letter

Water Quality Assessment and TMDLs for the Big Spring Planning Area (8.4 MB)

• Appendix A: Big Spring Creek Inventory and Assessment Data, Fergus County Conservation District, June 1990 (16.6 MB)
• Appendix B: Aerial Photography Assessmentt (Final) Big Spring Creek (0.18 MB)
• Appendix C: Aerial Photography Assessment (Final) Beaver Creek (0.17 MB)
• Appendix D: Aerial Photography Assessment (Final) Cottonwood Creek (0.18 MB)
• Appendix E: Modeling Approach (0.24 MB)
• Appendix F: Response to Public Comments (0.02 MB)
• EPA Approval Letter

Water Quality Restoration Plan and TMDLs for the Bitterroot Headwaters Planning Area (1.3 MB)

• Appendix A: Watershed Characterization Summary and Maps (5.8 MB)
• Appendix B: Mineral Operations (0.07 MB)
• Appendix C: Major Land Resource Areas (0.02 MB)
• Appendix D: GAP Vegetation (0.04 MB)
• Appendix E: Road Assessment Method (0.03 MB)
• Appendix F: BEHI Method (0.01 MB)
• Appendix G: Road Results and Maps (4.6 MB)
• Appendix H: Bank Condition Results and Maps (6.5 MB)
• Appendix I: Fish Population Data (0.02 MB)
• Appendix J: Shade Model Results (0.07 MB)
• Appendix K: Responses to Public Comments (0.08 MB)
• EPA Approval Letter

Bitterroot Temperature and Tributary Sediment Total Maximum Daily Loads and Framework Water Quality Improvment Plan (3.1 MB)

• Appendix A: Maps and Figures (2.7 MB)
• Appendix B: Bitterroot River Watershed Description (0.47 MB)
• Appendix C: Regulatory Framework and Reference Condition Approach (0.39 MB)
• Appendix D: 2007 Sediment and Habitat Data Collection Methods and Data Summary (0.76 MB)
• Appendix E: 2007 Stream Bank Erosion Source Assessment (1.0 MB)
• Appendix F: Regional Reference and DEQ Summary Statistics Considered for Sediment Target Development (0.38 MB)
• Appendix G: Unpaved Road Sediment Assessment (3.2 MB)
• Appendix H: Sediment Load Estimates and BMP Scenario Reductions (0.51 MB)
• Appendix I: Total Maximum Daily Loads (0.29)
• Attachment A: Bitterroot River FLIR Temperature Analysis Interpretive Report (1.6 MB)
• Attachment B: Modeling Streamflow and Water Temperature in the Bitterroot River, Montana (2.5 MB)
• Attachment C: Modeling Streamflow and Water Temperature in the Bitterroot River, Montana – Addendum A (.30 MB)
• Attachment D: Bitterroot River TMDL Planning Area Missoula MS4 Temperature and Thermal Loading Assessment (0.66 MB)
• EPA Approval Letter

Bitterroot Watershed Total Maximum Daily Loads and Water Quality Improvement Plan (4.4 MB)

• Appendix A: Tables and Figures (4.0 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.29 MB)
• Appendix C: Metals Data (0.47 MB)
• Appendix D: Cleanup/Restoration and Funding Options for Mine Operations or other Sources of Metals Contamination (0.12 MB)
• Attachment A: Modeling Water Temperature in Mill Creek (3.3 MB)
• EPA Approval Letter

Water Quality Restoration Plan for Metals in the Blackfoot Headwaters TMDL Planning Area (3.6 MB)

• EPA Approval Letter

Blackfoot Headwaters Planning Area Water Quality and Habitat Restoration Plan and TMDL Addendum for Sediment - Sandbar Creek (2.2 MB)

• EPA Approval Letter

Water Quality and Habitat Restoration Plan and TMDL for Sediment (3.7 MB)

• EPA Approval Letter

Water Quality Protection Plan and TMDLs for the Bobtail Creek Watershed (2.4 MB)

• EPA Approval Letter

Bonita-Superior Metals TMDLs (1.9 MB)

• Appendix A: Maps (7.3 MB)
• Appendix B: Metals Data (0.18 MB)
• Appendix C: Cleanup/Restoration and Funding Options for Mine Operations or Other Sources of Metals Contamination (0.11 MB)
• EPA Approval Letter

Boulder-Elkhorn Metals TMDLs and Framework Water Quality Improvement Plan (5.0 MB)

• Appendix A: Watershed Description Maps (3.0 MB)
• Appendix B: Table of 2012 Impaired Waterbodies, Impaired Uses, and Impairment Status (0.16 MB)
• Appendix C: Regulatory Framework and Reference Condition Approach (0.21 MB)
• Appendix D: Surface Water and Sediment Chemistry Data (1.0 MB)
• Appendix E: Water Chemistry for Natural Background Sites (0.28 MB)
• Appendix F: Source Assessment and Target Departure Analysis (3.3 MB)
• Appendix G: Response to Public Comment (0.39 MB)
• EPA Approval Letter

Sediment, Nutrients, and Temperature TMDLs and Water Quality Improvement Plans for the Boulder-Elkhorn Planning Area (8.0 MB)

• Appendix A: Table of Impaired Waterbodies and Watershed Description Maps (1.8 MB)
• Appendix B: Boulder River Watershed Description (0.26 MB)
• Appendix C: Regulatory Framework and Reference Condition Approach (0.23 MB)
• Appendix D: Reference Conditions and Target Value Rationale For Sediment (0.23 MB)
• Appendix E: Nutrient Water Quality Data (0.16 MB)
• Appendix F: Daily Loads (0.18 MB)
• Attachment 1: Analysis of Base Parameter Data and Erosion Inventory Data for Sediment TMDL Development within the Boulder Elkhorn TPA (5.8 MB)
• Attachment 2: Boulder Elkhorn Watershed Sediment Contribution from Hillslope Erosion (1.8 MB)
• Attachment 3: Stream Temperature Assessment for the Boulder River (1.5 MB)
• EPA Approval Letter

Boulder River Watershed Total Maximum Daily Loads (3.5 MB)

• EPA Approval Letter

Careless Creek Water Quality Restoration Plan (0.40 MB)

• EPA Approval Letter

Central Clark Fork Basin Tributaries TMDLs and Water Quality Improvement Plan (9.4 MB)

• Appendix A: Status of waterbody impairments in the Central Clark Fork Basin Tributaries TMDL Project Area based on the 2014 Integrated Report (0.16 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.27 MB)
• Appendix C: Sediment Total Maximum Daily Loads (0.29 MB)
• Appendix D: Nemote Creek QUAL2K Model Report (2.8 MB)
• Appendix E: Petty Creek QUAL2K Model Report (3.7 MB)
• Appendix F: Grant Creek QUAL2K Model Report (2.7 MB)
• Attachment A: Sediment and Habitat Assessment (3.7 MB)
• Attachment B: Assessment of Upland Sediment Sources for TMDL Development (2.5 MB)
• Attachment C: Road Sediment Assessment and Modeling (1.8 MB)
• EPA Approval Letter

Clark Fork River Voluntary Nutrient Reduction Program (11.9 MB)

• Appendices (1.9 MB)

Water Quality Restoration Plan for the Cooke City TMDL Planning Area (3.7 MB)

• EPA Approval Letter
• TMDL Implementation Evaluation (0.68 MB)

Water Quality Assessment and TMDLs for the Dearborn River Planning Area (9.1 MB)

• Appendix A (0.05 MB)
• Appendix B (8.5 MB)
• Appendix C (0.17 MB)
• Appendix D (2.9 MB)
• Appendix E (0.15 MB)
• EPA Approval Letter

Development of a TMDL to Reduce NonPoint Source Sediment Pollution in Deep Creek, Montana (1.0 MB)

• EPA Approval Letter
• TMDL Implementation Evaluation (0.83 MB)

Elk Creek Restoration Project Survey (0.27 MB)

• Green Mountain Watershed Project Implementation Plan (2.1 MB)
• Elk Creek TMDL Maps (3.6 MB)
• EPA Approval Letter (1.1 MB)

Nutrient Management Plan & TMDL for Flathead Lake, Montana DEQ (5.5 MB)

• Appendix A: Additional Figures (7.0 MB)
• Appendix B: Historical Perspective on Managed Forest Lands (0.14 MB)
• Appendix C: Current Flathead Lake Monitoring Program (0.33 MB)
• Appendix D: Responses to Public Comment (0.21 MB)
• EPA Approval Letter

Water Quality Assessment and TMDLs for the Flathead River Headwaters Planning Area, Montana (6.8 MB)

• Appendix C: 2002 and 2003 Field Sampling Data (25.2 MB)
• EPA Approval Letter

Flathead-Stillwater Planning Area Nutrient, Sediment, and Temperature TMDLs and Water Quality Improvement Plan (15.8 MB)

• Appendix A: Regulatory Framework and Reference Condition Approach (0.28 MB)
• Appendix B: Chemistry, Flow, Fish Distribution, and Permitted Point Sources Data (0.38 MB)
• Appendix C: Sheppard/Logan Road BMPs Since 2004 (2.9 MB)
• Appendix D: Sediment Total Maximum Daily Loads (0.20 MB)
• Appendix E: QUAL2K Stream Temperature Modeling for Ashley Creek and the Whitefish River (1.8 MB)
• Appendix F: Response to Public Comments (0.23 MB)
• Attachment A: Flathead Stillwater TMDL Planning Area Sediment and Habitat Assessment Summary Report (4.5 MB)
• Attachment B: Summary of Permitted Point Sources in the Flathead Lake Basin (5.4 MB)
• Attachment C: Summary of Urban Stormwater Sources in the Flathead Lake Basin (1.8 MB)
• EPA Approval Letter

Flint Creek Planning Area Sediment and Metals TMDLs and Framework Water Quality Improvement Plan (2.5 MB)

• Appendix A: Maps (10.5 MB)
• Appendix B: Data (0.66 MB)
• Appendix C: Regulatory Framework and Reference Condition (0.40 MB)
• Appendix D: Reference Conditions and Target Value Rationale (0.18 MB)
• Appendix E: Unpaved Road Assessment: Sediment Load Estimations and Potential Reductions (0.26 MB)
• Appendix F: Daily Loads (0.14 MB)
• Attachment A: Analysis of Base Parameter Data and Erosion Inventory Data for Sediment TMDL Development Within The Flint Creek TPA (4.4 MB)
• Attachment B: Flint Creek Watershed Sediment Assessment: Upland Sediment Assessment and Modeling and BMP Effectiveness and Percent Reduction Potential (1.3 MB)
• EPA Approval Letter

Addendum to Flint Creek Planning Area Sediment and Metals TMDLs and Framework Water Quality Improvement Plan (2.2 MB)

• Appendix A: Location of Mining-Related Features and Water Quality Sample Sites (0.53 MB)
• Appendix B: Vleanup/Restoration and Funding Options for Mine Operations or Othere Sources of Metals Contamination (0.13 MB)
• Attachment A: Analytical Results Report for a CERCLA Site Inspection Philipsburg Mining Area (Douglas Creek) Near Philipsburg, Granite County, Montana (4.8 MB)
• EPA Approval Letter

Flint Nutrients TMDLs and Water Quality Improvement Plan (3.4 MB)

• Appendix A: Table of Impaired Waterbodies, Their Impaired Uses, and Impairment Status on the 2012 Water Quality Integrated Report (0.14 MB)
• Appendix B: Watershed Description Figures (8.5 MB)
• Appendix C: Fish Species, Surface Water Nutrients, Chlorophyll-a, Macroinvertebrates and Philipsburg Wastewater Treatment Plant Data (0.36 MB)
• Appendix D: Regulatory Framework and Reference Condition Approach (0.19 MB)
• Appendix E: Flint Creek Watershed Nutrient Assessment (17.5 MB)
• Appendix F: Subsurface Wastewater Treatment Systems in the Flint Creek Watershed (0.34 MB)
• Appendix G: Flint Creek TMDL Planning Area Nutrient Source Review, Task 1: Discrete Source Characterization, Granite and Deerlodge Counties (1.6 MB)
• EPA Approval Letter

Grave Creek Watershed Water Quality and Habitat Restoration Plan and Sediment Total Maximum Daily Load (9.2 MB)

• Appendix A: Harvest Analysis Summary (0.23 MB)
• Appendix B: Roads Analysis Summary (0.44 MB)
• Appendix C: Rain-On-Snow, Water Yield, Equivalent Clearcut Acreage and Peak Flow Increases Analysis Summary (0.08 MB)
• Appendix D: Fisheries and Aquatic Life (0.06 MB)
• Appendix E: Regulatory Framework and TMDL Development (0.10 MB)
• Appendix F: Summary of Data Collection and Assessment Methodologies (0.05 MB)
• Appendix G: Stream Conditions (0.36 MB)
• Appendix H: Reference Value Development for the Grave Creek Watershed (0.17 MB)
• Appendix I: Road Surface Sediment Analysis Methods and Results (0.08 MB)
• Appendix J: In-stream Sediment Source Analysis (0.20 MB)
• Appendix K: Response to Comments (0.16 MB)
• EPA Approval Letter

Jefferson River Metals Project Area TMDLs and Water Quality Improvement Plan (3.7 MB)

• EPA Approval Letter

Judith Mountains Project Area TMDLs and Framework Water Quality Improvement Plan (3.3 MB)

• Appendix A: Figures and Tables (5.1 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.29 MB)
• Appendix C: Chippewa Creek Sediment Assessment (2.8 MB)
• Appendix D: Judith Mountains Project Area Metals Source Assessment (0.18 MB)
• Appendix E: Sediment Total Maximum Daily Loads (0.14 MB)
• EPA Approval Letter

Kootenai-Fisher Project Area Metals, Nutrients, Sediment, and Temperature TMDLs and Water Quality Improvement Plan (5.9 MB)

• Appendix A: Table of Waterbody Impairments and Project Area Description Maps (4.8 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.34 MB)
• Appendix C: Upland Erosion Sediment Assessment (3.5 MB)
• Appendix D: Road Sediment Assessment (4.4 MB)
• Appendix E: Total Maximum Daily Loads (0.23 MB)
• Appendix F: Nutrient and Metals Water Quality Data for Impaired Streams in the Kootenai-Fisher TMDL Planning Area (0.55 MB)
• Appendix G: Wolf Creek QUAL2K Model Report (7.5 MB)
• Appendix H: Cleanup/Restoration and Funding Options for Mine Operations or Other Sources of Metals Contamination (0.12 MB)
• Appendix I: Response to Public Comments (0.55 MB)
• Attachment A: Kootenai-Fisher TMDL Project Area Sediment and Habitat Assessment (4.9 MB)
• EPA Approval Letter

Water Quality Restoration Plan TMDLs for the Lake Helena Planning Area Volume 1 (1.9 MB)

• Appendix A: Watershed Characterization (5.2 MB)
• Appendix B: Montana Water Quality Standards (0.53 MB)
• Appendix C: Preliminary Source Assessment (1.0 MB)
• Appendix D: Nutrient Data for Impairment Status Determination (Available on Request)
• Appendix E: GWLF/Bathtub Modeling for Lake Helena (0.41 MB)
• Appendix F: Sediment Data for Impairment Status Determination (Available on Request)
• Appendix G: Metals Data for Impairment Status Determination (Available on Request)
• Appendix H: SSTEMP Model (0.31 MB)
• Appendix I: Fish Tissue Sampling (Available on Request)
• Appendix J: Major Land Resource Area Data Description (0.03 MB)
• Appendix K: Multi-Resolution Land Characteristics (MRLC) Consortium Data Description(Available on Request)

Water Quality Restoration Plan TMDLs for the Lake Helena Planning Area Volume II (2.4 MB)

• Appendix A: Total Maximum Daily Load (TMDL) Summary (2.0 MB)
• Appendix B: DEQ and EPA Responses to Public Comments (0.22 MB)
• Appendix C: GWLF/BATHTUB Modeling Results (2.0 MB)
• Appendix D: Supplemental Sediment Source Assessment Results (1.1 MB)
• Appendix E: Permitted Point Source Discharges (1.1 MB)
• Appendix F: LSPC Metals Modeling Results (4.1 MB)
• Appendix G: SSTEMP Temperature Modeling Results (0.47 MB)
• Appendix H: Supplemental Monitoring and Assessment Strategy (0.12 MB)
• Appendix I: Phased Wasteload Allocation Strategy (0.08 MB)
• Appendix J: Wasteload Allocations for Regulated Stormwater Discharges (0.23 MB)
• Appendix K: On-Site Domestic Wastewater Treatment Requirements and Alternatives (0.12 MB)
• EPA Approval Letter

Lake Helena Planning Area Metals Total Maximum Daily Load (TMDL) Addendum (4.0 MB)

• EPA Approval Letter

Landusky Metals Total Maximum Daily Loads and Framework Water Quality Improvement Plan (3.5 MB)

• Appendix A: TMDL Status Summary Table and Maps (3.0 MB)
• Appendix B: Surface Water Chemistry Data (3.4 MB)
• Appendix C: Surface Water Chemistry Data - Selected Background Sites (0.51 MB)
• Appendix D: Groundwater Chemistry Examples Zortman and Landusky Mines (0.38 MB)
• Appendix E: Landusky TMDL Planning Area Fish Distribution Report (0.25 MB)
• Appendix F: Target Departure Analysis (2.2 MB)
• EPA Approval Letter

Little Blackfoot River Watershed TMDLs and Framework Water Quality Improvement Plan (3.8 MB)

• Appendix A: Figures and Tables (4.2 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.48 MB)
• Appendix C: 2009 Sediment and Habitat Assessment (2.2 MB)
• Appendix D: Little Blackfoot River Watershed Sediment and Nutrient Assessment (1.9 MB)
• Appendix E: Road Sediment Assessment (2.4 MB)
• Appendix F: Detailed Source Assessment and Data Review (0.44 MB)
• Appendix G: Metals and Nutrient Water Quality Data (0.69 MB)
• Appendix H: Response to Public Comments (0.31)
• EPA Approval Letter

Little Blackfoot River Watershed TMDLs and Framework Water Quality Improvement Plan - Metals Addendum (2.5 MB)

• EPA Approval Letter

Lone Tree Creek TMDL Addressing Riparian Habitat Degradation, Flow Alteration & Nutrient Enrichment (0.75 MB)

• EPA Approval Letter

Lower Blackfoot Nutrients TMDLs and Water Quality Improvement Plan (4.4 MB)

• EPA Approval Letter

Lower Blackfoot Total Maximum Daily Loads and Water Quality Improvement Plan (3.8 MB)

• EPA Approval Letter

Lower Clark Fork Tributaries Sediment TMDLs and Framework for Water Quality Restoration (2.5 MB)

• Appendix A: Maps (5.3 MB)
• Appendix B: Lower Clark Fork Tributaries TMDL Planning Area Sediment Monitoring Report (5.7 MB)
• Appendix C: Lower Clark Fork Tributaries Stratification Tables (0.32 MB)
• Appendix D: Reference Conditions and Target Value Rationale (0.43 MB)
• Appendix E: Total Maximum Daily Loads (0.28 MB)
• Attachment 1: Road Sediment Assessment & Modeling (4.1 MB)
• Attachment 2: Sediment Contribution from Hillslope Erosion (1.9 MB)
• EPA Approval Letter

Lower Beaverhead River and Upper Jefferson River Temperature TMDLs (3.6 MB)

• Appendix A: Regulatory Framework and Reference Condition Approach (0.18 MB)
• Appendix B: Beaverhead River Temperature Model (1.5 MB)
• Appendix C: Upper Jefferson River Temperature Model (1.3 MB)
• Appendix D: Temperature and Flow Data (0.17 MB)
• Attachment A: Evaluation of Fishery Trends in the Jefferson River Drainage Related to Changes in Streamflow Pattern and Habitat Restoration Activities (2.3 MB)
• EPA Approval Letter

Lower Gallatin Planning Area TMDLs & Framework Water Quality Improvement Plan (7.2 MB)

• Appendix A: Figures and Tables (8.4 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.28 MB)
• Appendix C: Road Sediment Assessment (1.0 MB)
• Appendix D: Sediment Total Maximum Daily Loads (0.19 MB)
• Appendix E: Hyalite Creek Nutrient Listing History and TMDL Development (0.24 MB)
• Appendix F: Nutrient Existing Load Source Assessment in the Lower Gallatin TMDL Planning Area (7.7 MB)
• Appendix G: Method Used to Model Water Reclamation Facility Discharge in the East Gallatin River (0.77 MB)
• Appendix H: Response to Public Comments (0.26 MB)
• Attachment A: Sediment and Habitat Assessment (3.5 MB)
• Attachment B: 2009 Lower Gallatin TMDL Planning Area Nutrient, Algae and E. Coli Source Assessment (34.8 MB)
• Attachment C: Upland Sediment Assessment (1.0 MB)
• Attachment D: City of Bozeman Hydrologic Model Report (3.6 MB)
• EPA Approval Letter
• EPA Approval Letter for pH Errata

Lower Musselshell TMDL Planning Area Decision Document (0.60 MB)

Madison Sediment and Temperature TMDLs and Water Quality Improvement Plan – September 2020 (7.21 MB)

• Appendix A: Regulatory Framework and Reference Condition Approach
• Appendix B: Sediment Data Collection Methods and Summaries of Monitored Waterbodies with No TMDL Written
• Appendix C: Bank Erosion Assessment, Madison TMDL Planning Area
• Appendix D: Road Sediment Assessment, Madison TMDL Planning Area
• Appendix E: Upland Sediment Assessment for Elk Creek
• Appendix F: Sediment Total Maximum Daily Load Estimates
• Appendix G: Madison Temperature Study Data Collection
• Appendix H: Temperature Conditions for Lower Madison River and West Fork Madison River
• Appendix I: Shade Targets and Target Development Data for Temperature TMDLs in the Madison TMDL Planning Area
• Appendix J: Qual2k Temperature Analysis, Description, and Constraining Parameters
• EPA Approval Letter

Madison Nutrient, E. coli, and Metal TMDLs and Water Quality Improvement Plan (7.2 MB)

• Appendix A: Surface Water Nutrient, E. coli, and Metal Data for the Madison TMDL Planning Area (.5 MB)
• Appendix B: Method for Estimating Attenuation of Nutrients from Septic Systems Model Results (MEANSS) for the Madison TMDL Planning Area (0.20 MB)
• EPA Approval Letter

Middle Blackfoot-Nevada Creek TMDLs and Water Quality Improvement Plan (6.5 MB)

• Appendix A: Figures and Maps (8.5 MB)
• Appendix B: Aerial Assessment and Reconnaissance Results (0.20 MB)
• Appendix C: Stream Bank Erosion Inventory (0.04 MB)
• Appendix D: Sediment/Habitat Target Development (0.27 MB)
• Appendix E: Example of Daily Sediment TMDLs, Upper Nevada Creek (0.07 MB)
• Appendix F: Water Quality Analysis Results for Field Parameters and Trace Metals (0.41 MB)
• Appendix G: Representative Reference Shade Conditions and Daily Temperature Loading (0.55 MB)
• Appendix H: Restoration Plan (0.08 MB)
• Appendix I: Streamflow, Sediment, and Nutrient Simulation Using SWAT (0.43 MB)
• Appendix J: Sediment Loading Analysis (0.12 MB)
• Appendix K: Response to Public Comments (0.18 MB)
• EPA Approval Letter

Middle Blackfoot-Nevada TMDL and Water Quality Improvement Plan Addendum (3.0 MB)

• Appendix A: Total Maximum Daily Loads (0.14 MB)
• Appendix B: Metals Data (0.38 MB)
• Attachment A: Temperature Analysis and Modeling of 303(d) List Streams in the Blackfoot River Watershed, Montana (3.3 MB)
• EPA Approval Letter

Middle and Lower Big Hole Planning Area TMDLs and Water Quality Improvement Plan (1.8 MB)

• Appendix A: Maps (4.7 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.17 MB)
• Appendix C: Sediment Contribution from Roads (0.29 MB)
• Appendix D: Sediment Contribution from Hillslope Erosion (0.68 MB)
• Appendix E: Sediment Contribution from Streambank Erosion (0.24 MB)
• Appendix F: Daily TMDLs for Sediment and Temperature (0.21 MB)
• Appendix G: Nutrient Model (1.1 MB)
• Appendix H: Sediment/Metals Data (0.32 MB)
• Appendix I: Big Hole River Temperature Model (2.2 MB)
• Appendix J: Divide Creek Temperature Model (0.32 MB)
• Appendix K: Response to Public Comments (0.04 MB)
• EPA Approval Letter

Missouri-Cascade and Belt TMDL Planning Area Metals Total Maximum Daily Loads and Framework Water Quality Improvement Plan (1.0 MB)

• Appendix A: Maps and Figures (3.0 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.09 MB)
• EPA Approval Letter

Water Quality Restoration Plan and TMDLs for the Ninemile Planning Area (2.3 MB)

• Appendix A: Nimemile TMDL Fish Passage Assessment and Recommendations for Forest-Managed Lands (0.06 MB)
• Appendix B: Forest Road Sediment Assessment Method (FROSAM), Results and Maps (4.2 MB)
• Appendix C: DEQ Responses to Public Comments (0.11 MB)
• Maps (7.8 MB)
• EPA Approval Letter

Total Maximum Daily Loads for Metals in Prospect Creek Watershed (5.1 MB)

• EPA Approval Letter

Prospect Creek Watershed Sediment TMDLS and Framework for Water Quality Restoration (5.7 MB)

• EPA Approval Letter

Redwater River Nutrient and Salinity TMDLs and Framework Water Quality Improvement Plan (1.2 MB)

• Appendix A: Maps and Data (1.6 MB)
• Appendix B: Data Tables (1.6 MB)
• Appendix C: Reference Condition Approach (0.04 MB)
• Appendix D: Redwater Nutrient Modeling Report (0.33 MB)
• Appendix E: Nitrate Sensitivity Analysis (0.11 MB)
• Appendix F: Response to Public Comments (0.11 MB)
• EPA Approval Letter

Rock Creek Watershed TMDLs and Water Quality Improvement Plans (8.4 MB)

• Appendix A: Maps (4.9 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.30 MB)
• Appendix C: Analysis of Base Parameter Data and Erosion Inventory Data for Sediment TMDL Development within the Rock TPA (3.4 MB)
• Appendix D: Rock TPA Biological Sampling 2011: Macroinvertebrate and Periphyton Results (1.7 MB)
• Appendix E: Streambank Erosion Source Assessment – Rock Creek TPA (0.34 MB)
• Appendix F: Rock TPA Assessment of Upland Sediment Sources for TMDL Development (2.5 MB)
• Appendix G: Rock Creek TPA Road Sediment Assessment & Modeling (4.4 MB)
• Appendix H: Sediment Total Maximum Daily Loads (0.16 MB)
• Appendix I: East Fork Rock Creek Temperature Modeling Report (5.1 MB)
• Appendix J: South Fork Antelope Creek Temperature Modeling Report (3.9 MB)
• Appendix K: Nutrient Water Quality Data (0.19 MB)
• Appendix L: Surface Water and Sediment Metals Data, Rock Creek TMDL Planning Area (0.25 MB)
• Appendix M: Source Assessment and Target Departure Analysis (4.0 MB)
• Appendix N: Cleanup/Restoration and Funding Options For Mine Operations Or Other Sources Of Metals Contamination (0.12 MB)
• EPA Approval Letter

Ruby River Watershed Total Maximum Daily Loads and Framework for a Water Quality Restoration Plan (6.9 MB)

• Appendix A: Maps (11.2 MB)
• Appendix B: Reference Approach (0.07 MB)
• Appendix C: Temperature Model and Analysis of the Lower Ruby River and Mill Creek (0.21 MB)
• Appendix D: Sediment and Physical Data (0.02 MB)
• Appendix E: Sediment Monitoring and Assessment (0.08 MB)
• Appendix F: Pictures (23.4 MB)
• Appendix G: Forward Looking Infrared Reports (1.9 MB)
• Appendix H: Upland Sediment Models (12.0 MB)
• Appendix I: Response to Public Comments (0.18 MB)
• EPA Approval Letter

Salinity TMDL for Sage Creek, Montana (0.61 MB)

• EPA Approval Letter

Sheep Creek E. Coli TMDL and Water Quality Improvement Plan (3.02 MB)

• EPA Approval Letter (1.90 MB)

Shields River Watershed Water Quality Planning Framework and Sediment TMDLs (1.1 MB)

• Appendix A: Maps (5.9 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.07 MB)
• Appendix C: Reference Value Development and Target Justification (0.05 MB)
• Appendix D: Sediment Contribution from Roads (0.68 MB)
• Appendix E: Sediment Contribution from Hillslope Erosion (0.15 MB)
• Appendix F: Sediment Contribution from Streambank Erosion (0.68 MB)
• Appendix G: Daily TMDLs (0.15 MB)
• Appendix H: Restoration Priorities for the Shields Valley Watershed Group (0.05 MB)
• Appendix I: Sediment and Habitat Assessment and Data (0.25 MB)
• Appendix J: Response to Public Comments (0.06 MB)
• EPA Approval Letter

Silver Bow Creek and Clark Fork River Metals TMDLs (4.8 MB)

• EPA Approval Letter

St. Regis Watershed Total Maximum Daily Loads and Framework Water Quality Restoration Assessment - Sediment and Temperature TMDLs (4.3 MB)

• EPA Approval Letter

Water Quality Protection Plan and TMDLs for the Sun River Watershed (4.5 MB)

• EPA Approval Letter

Water Quality Protection Plan and TMDLs for the Swan Lake Watershed (2.6 MB)

• Appendix A: Applicable Water Quality Standards (0.04 MB)
• Appendix B: Impairment Determination Listing Details for the 1996 and 2002 303(d) Lists (0.04 MB)
• Appendix C: Summary Ecological Classification Swan River Basin, Montana (2.5 MB)
• Appendix D: Mapping Chlorophyll Distribution Over Lakes of Northwest Montana (0.27 MB)
• Appendix E: Forest Road Sediment Assessment Methodology (0.10 MB)
• Appendix F: Forest Roads Sediment Results (9.1 MB)
• Appendix G: Swan Bank Inventory Results (0.80 MB)
• Appendix H: Local Stream Corridor Protective Regulations and Covenants (0.50 MB)
• Appendix I: Riparian Assessment & Characterization of the Swan River & Select Tributaries (0.21 MB)
• Appendix J: Tributary Physical Assessment for TMDL Development Support (0.24 MB)
• Appendix K: DEQ Response to Public Comment (0.13 MB)
• EPA Approval Letter

Water Quality Management Plan and TMDLs for the Teton River Watershed (5.3 MB)

• Appendix A: Thematic Maps of the Teton River Watershed (28.0 MB)
• Appendix B: Water Quality Data Maps (1.1 MB)
• Appendix C: Macroinvertebrate Results (0.04 MB)
• Appendix D: Selected Montana Water Laws and Administrative Rules (0.04 MB)
• Appendix E: Public Comments and Responses (0.24 MB)
• Appendix F: Press Releases During Public Comment Period (0.23 MB)
• EPA Approval Letter

Thompson Project Area Metals, Nutrients, Sediment, and Temperature TMDLs and Water Quality Improvement Plan (7.6 MB)

• Appendix A: Table of Waterbody Impairments and Project Area Description Maps (3.8 MB)
• Appendix B: Regulatory Framework and Reference Condition APproach (0.32 MB)
• Appendix C: Total Maximum Daily Loads (0.28 MB)
• Appendix D: Nutrient and Metals Water Quality Data (0.34 MB)
• Attachment A: Sediment and Habitat Assessment (2.0 MB)
• Attachment B: Upland Erosion Assessment (1.3 MB)
• Attachment C: Unpaved Roads Assessment (1.6 MB)
• Attachment D: Modeling Water Temperature in Lynch Creek (2.5 MB)
• Attachment E: Modeling Water Temperature in McGregor Creek (5.7 MB)
• EPA Approval Letter

Tobacco Planning Area Nutrient and Temperature TMDLs and Water Quality Improvement Plan (2.8 MB)

• Appendix A: Maps and Tables (2.1 MB)
• Appendix B: QUAL2K Model Report (3.2 MB)
• Appendix C: Nutrient Data (0.12 MB)
• EPA Approval Letter

Tobacco Planning Area Sediment TMDLs and Framework Water Quality Improvement Plan (2.8 MB)

• Appendix A: Maps and Tables (5.5 MB)
• Appendix B: Tobacco River Watershed Description (0.46 MB)
• Appendix C: Regulatory Framework and Reference Condition Approach (0.38 MB)
• Appendix D: Sediment and Habitat Assessment (2.9 MB)
• Appendix E: Streambank Erosion Source Assessment (1.0 MB)
• Appendix F: Tobacco River Watershed Upland Sediment Source Assessment (1.7 MB)
• Appendix G: Road Sediment Assessment, Tobacco TMDL Planning Area (2.2 MB)
• Appendix H: Total Maximum Daily Loads (0.40 MB)
• Appendix I: Response to Public Comments (0.33 MB)
• EPA Approval Letter

Upper Clark Fork Phase 2 Sediment and Nutrients TMDLs and Framework Water Quality Improvement Plan (11.5 MB)

• Appendix A: Figures and Tables (5.6 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.25 MB)
• Appendix C: 2011 Sediment and Habitat Assessment (0.60 MB)
• Appendix D: Sediment Total Maximum Daily Loads (0.20 MB)
• EPA Approval Letter

Upper Clark Fork River Tributaries Sediment, Metals, and Temperature TMDLs and Framework for Water Quality Restoration (1.3 MB)

• Appendix A: Maps (15.8 MB)
• Appendix B: Reference Conditions and Target Value Rationale (0.04 MB)
• Appendix C: Total Maximum Daily Loads (0.13 MB)
• Appendix D: Data (0.31 MB)
• Appendix E: Road Network Aerial Assessment Upper Clark Fork TMDL Planning Area (0.11 MB)
• Appendix F: Upland Sediment Model Scenario Development (0.03 MB)
• Appendix G: Stream Temperature Assessment for Peterson Creek Upper Clark Fork TMDL Planning Area (0.23 MB)
• Appendix H: Stream-Irrigation Network Relationship in the Upper Clark Fork TMDL Planning Area (1.6 MB)
• Appendix I: Sediment Loads and Reduction Determinations (0.08 MB)
• EPA Approval Letter

Addendum to Upper Clark Fork River Tributaries Sediment, Metals, and Temperature TMDLs and Framework for Water Quality Restoration (1.2 MB)

• Appendix J: Browns Gulch Sediment Assessment (0.39 MB)
• EPA Approval Letter

Upper Jefferson River Tributary Sediment TMDLs and Framework Water Quality Improvement Plan (1.5 MB)

• Appendix A: Watershed Characterization Report Jefferson River Water Quality Restoration Planning Areas (7.6 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.07 MB)
• Appendix C: 2004 Aerial Photo Review and Field Source Assessment, Upper Jefferson River Watershed (11.5 MB)
• Appendix D: Upland USLE Based Sediment Model, Sediment Contribution From Hillslope Erosion For Tributaries of the Upper Jefferson TMDL Planning Area (0.17 MB)
• Appendix E: USLE Generated Upland Erosion Corrected for Existing and Potential Riparian Health (0.13 MB)
• Appendix F: Unpaved Road Sediment Assessment, Upper Jefferson River TMDL Planning Area (1.4 MB)
• Appendix G: Streambank Erosion Source Assessment, Upper Jefferson River Water Quality Restoration Planning Area (0.40 MB)
• Appendix H: Total Maximum Daily Loads (0.16 MB)
• EPA Approval Letter

Water Quality Restoration Plan and Total Maximum Daily Loads for the Upper Lolo Creek TMDL Planning Area (1.6 MB)

• EPA Approval Letter
• TMDL Implementation Evaluation (0.54 MB)

Upper and North Fork Big Hole River Planning Area TMDLs and Framework Water Quality Restoration Approach June 2009 (3.6 MB)

• Appendix A: Sediment Contribution From Hillslope Erosion (0.40 MB)
• Appendix B: Modeling Stream Temperatures in the Upper Big Hole River – 2003 (0.54 MB)
• Appendix C: Data Summary Appendix (0.38 MB)
• Appendix D: Modeling Streamflow and Water Temperature in The Big Hole River, Montana – 2006 (2.2 MB)
• Appendix E: Temperature Daily TMDLs and Instantaneous Loads (0.12 MB)
• Appendix F: Sediment Total Maximum Daily Loads (0.13 MB)
• Appendix G: Sediment Contribution from Road Erosion (0.11 MB)
• Appendix H: Sediment Contribution from Streambank Erosion (0.27 MB)
• Appendix I: Big Hole River Watershed Nutrient TMDL GWLF Monitoring Documentation (1.1 MB)
• Appendix J: Streamside Vegetation Nutrient Filtering Function (0.03 MB)
• Appendix K: Upper and North Fork Big Hole River Planning Area TMDL Maps (3.5 MB)
• Appendix L: Response to Public Comments (0.07 MB)
• EPA Approval Letter

West Fork Gallatin River Watershed TMDL and Framework Watershed Water Quality Improvement Plan (3.0 MB)

• Appendix A: Maps and Figures (3.3 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.17 MB)
• Appendix C: Sediment Total Maximum Daily Loads (0.05 MB)
• Appendix D: Streambank Erosion Source Assessment (0.38 MB)
• Appendix E: Hillslope Sediment Model and Riparian Health Addendum (0.72 MB)
• Appendix F: Unpaved Road Sediment Assessment (0.79 MB)
• Appendix G: 2008 Sediment and Habitat data collection Methods and Data Summary Upper Gallatin TMDL Planning Area (0.62 MB)
• Appendix H: Response to Public Comments (0.02 MB)
• EPA Approval Letter

White Pine Creek Temperature TMDL (3.6 MB)

• Appendix A: Regulatory Framework and Reference Condition Approach (0.17 MB)
• Appendix B: White Pine Creek QUAL2K Model Report (3.2 MB)
• EPA Approval Letter

Yaak River Watershed Sediment Total Maximum Daily Loads (2.3 MB)

• Appendix A: Field Sediment Source Surveys (0.63 MB)
• Appendix B: Unpaved Road Sediment Assessment (0.65 MB)
• Appendix C: Daily Sediment TMDLs (0.10 MB)
• Appendix D: Maps (0.01 MB)
• Appendix E: Responses to Public Comments (0.09 MB)
• EPA Approval Letter

East Fork Yaak River Nutrient Total Maximum Daily Loads (1.4 MB)

• Appendix A: Maps (4.3 MB)
• Appendix B: Regulatory Framework and Reference Condition Approach (0.24 MB)
• EPA Approval Letter