October 20 & 21, 2025

Agenda

October 20, 2025

Minutes — Audio / Video

October 21, 2025

Minutes

Morning: Audio / Video

Afternoon: Audio / Video

Meeting Overview

• Revised Work Plan
• Revised Decision Matrix
• Committee Meeting Chart
• Montana Water Rights Handbook (2018)
  
  

HJ74 Water Reuse Study

• Anatomy of a Study
• HJ 74 Study Strategy
• Summary of Basic Concepts and Systems
• News Article: State Approves Recycled Water for Snowmaking in Big Sky
• Water Reuse in the West – 2021 Report
  
  

Rule Review

• October Administrative Rule Report
• MAR Notice No. 2025.157.2 – Notice of Adoption
  
  

Weather Modification Required Report

• Cloud-Seeding Feasibility & Preliminary Program Design for Southwest Montana
• DNRC Presentation: Cloud Seeding Feasibility Study
• NCAR Presentation: Preliminary Program Design
  
  

HJ44 Study

• HJ 44 Study Strategy
• PFAS Research Links
• DEQ Presentation: Update on PFAS
• Montana PFAS Action Plan: 2024 Progress Report
  
  

Water Research

• MBMG Presentation: Fox Hills-Hell Creek Aquifer & Buried Channel Aquifers
  
  

Land Board: Water Rights on State Trust Lands

• DNRC Presentation: Water Rights on State Trust Land
  
  

Montana Water 101

• Exempt Wells Study Strategy
• WPIC 2018 Report: The Exemption at 45: A Study of Groundwater Wells Exempt from Permitting
• DNRC Presentation
  
  

2023-24 Comprehensive Water Working Group Panel

• DNRC Comprehensive Water Working Group Overview
  
  

2025 Exempt Well Bill Review

• Legislative History: MT SB 358 & ID S1083
• Idaho & Montana 2025 Exempt Well Bill Comparison
• Senate Bill 358 Text
• Idaho Senate Bill 1083 Text
  
  

Mitigation of Existing Water Wells

• DNRC Presentation
  
  

Water Right Enforcement & Regulation

• LSD Legal Memo – Water Right Enforcement, 2010
• DNRC Presentation
  
  

Public Comment

• General Public Comment
• Erin Laws Public Comment Attachment
  
  

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