2025 Tribal Clean Water Act (CWA) Workshop

Presentations from the EPA Pacific Southwest (Region 9) and Fallon Paiute-Shoshone Tribe's 2025 Tribal Clean Water Act (CWA) Workshop, held May 19-23, 2025. This workshop provided guidance to Tribal government CWA program staff and shared technical information and strategies to support monitoring, assessment, protection of water quality, and prevention of polluted runoff on Tribal lands and watersheds.

Agenda and Flyer

• FINAL Agenda: EPA Region 9 2025 Tribal Clean Water Act Workshop (pdf) (265.61 KB, May 5, 2025)
  Final agenda for EPA Region 9 2025 Tribal Clean Water Act Workshop held May 19-23, 2025, in Fallon, Nevada.
  
• Flyer: EPA Region 9 2025 Tribal Clean Water Act Workshop (pdf) (152.47 KB, October 2024)
  Save the date for the EPA Region 9 2025 Tribal Clean Water Act Workshop in Fallon, Nevada.

Presentations

• Presentation 1: Fallon Paiute-Shoshone Tribe Welcome (pdf) (1.35 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Welcome Presentation from the Fallon Paiute-Shoshone Tribe.
• Presentation 2: Workshop Overview (pdf) (589.21 KB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Workshop Overview.
• Presentation 3: Introduction to Clean Water Act Programs (pdf) (4.65 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Introduction to Clean Water Act Programs.
• Presentation 4: Tribal Monitoring Goals, Strategies, and Objectives (pdf) (3.98 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Tribal Monitoring Goals, Strategies, and Objectives.
  
• Presentation 5: Supporting Klamath River Restoration (pdf) (5.82 MB, July 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Supporting Klamath River Restoration.
• Presentation 6: Outreach and Education (pdf) (10.47 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Outreach and Education.
• Presentation 7: Demystifying Quality Assurance Project Plans (pdf) (582.17 KB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Developing a Quality Assurance Project Plan (QAPP).
• Presentation 8: WQX and Data Management (pdf) (2.24 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Water Quality Exchange (WQX) and Data Management.
• 2025 Tribal CWA Workshop Presentation 9: Analysis of Water Quality Monitoring (pdf) (3.94 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Tribal Water Quality Analysis and Assessments.
• Presentation 10: Using ArcGIS Pro Flood Simulation (pdf) (3.78 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Using ArcGIS Pro Flood Simulation.
• Presentation 11a: Regional Wetland Program Development Grants (WPDG) (pdf) (1.87 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Regional Wetland Program Development Grants.
• Presentation 11b: Wetlands Grants (pdf) (4.79 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Wetland Program Development Grants on New Reservation Lands.
• Presentation 12: Identifying Sources of NPS Pollution (pdf) (1.76 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Identifying Sources of Nonpoint Source Pollution.
• Presentation 13a: CWA 319 Program Support Tribal Goals and Objectives (pdf) (4.55 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Walker River Paiute Tribe Nonpoint Source Program.
• Presentation 13b: CWA 319 Program Support Tribal Goals and Objectives (pdf) (5.43 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Yavapai-Prescott Indian Tribe Nonpoint Source Program.
• 2025 Tribal CWA Workshop Presentation 14: Developing a Nonpoint Source Assessment Report and Management Plan (pdf) (896.2 KB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Developing a Nonpoint Source Assessment Report and Management Plan.
• 2025 Tribal CWA Workshop Presentation 15: CWA 319 Funding Wildlife Mitigation (pdf) (4.66 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Clean Water Act Section 319 Funding for Wildfire Mitigation.
• 2025 Tribal CWA Workshop Presentation 16: Managing Harmful Algal Blooms (pdf) (2.81 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Managing Harmful Algal Blooms.
• Presentation 17: Indigenous Watershed Restoration Methods (pdf) (4.72 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Indigenous Watershed Restoration Methods.
  • Presentation 17 Supplemental Attachment: Erosion Control Field Guide (pdf) (1.2 MB, May 2025)
    Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Erosion Control Field Guide.
• 2025 Tribal CWA Workshop Presentation 18: Treatment as a State for CWA 303 & 401 (pdf) (9.29 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Treatment in a Similar Manner as a State (TAS) for Clean Water Act Sections 303(c) and 401.
• Presentation 19: Preparing Tribal Water Quality Standards (pdf) (8.88 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Preparing Tribal Water Quality Standards.
• Presentation 20: CWA Section 401 Water Quality Certification (pdf) (6.54 MB, May 2025)
  Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Clean Water Act Section 401 Water Quality Certification.
  
  • Presentation 20 Supplemental Attachment: Hypothetical 401 Exercise (pdf) (304.73 KB, May 2025)
    Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Hypothetical 401 Exercise.
  • Presentation 20 Supplemental Attachment: General Conditions – Best Management Practices (pdf) (138.42 KB, May 2025)
    Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: General Conditions – Best Management Practices.
  • Presentation 20 Supplemental Attachment: Example Water Quality Standards (pdf) (143.74 KB, May 2025)
    Presentation from the EPA Pacific Southwest (Region 9) 2025 Tribal Clean Water Act (CWA) Workshop: Example Water Quality Standards.