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Okanagan Basin Water Board
Okanagan Basin Water Board
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About the Water Supply & Demand Project

  • Introduction
  • The Okanagan Basin
  • Project Overview
  • Project Partners
  • Summary Report

 Water Supply & Demand Project

Introduction

  • The Okanagan Basin
  • 2019 Water Use Project Overview
  • 2010 WSD Project Overview
    • Project Partners
    • Summary Report

Key Findings

  • Water Use
  • Water Licensing
  • Groundwater
  • Surface Storage and Flow
  • Fish Flows

Water Use

  • Agriculture
  • Residents
  • Local Governments
  • Water Managers
  • Fish & Wildlife

Data

  • Annual Water Balance
  • Water Management & Use
  • Groundwater
  • Lake Evaporation
  • Surface Water Hydrology
  • Instream Flow Needs

Models

  • Overview
  • Okanagan Water Demand Model
  • Okanagan Water Accounting Model

Scenarios

  • Overview
  • Demand Scenarios
  • Supply Scenarios

Implications for the Future

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What’s New:

  • Board Report – August 2025
    Highlights from the August 5, 2025 Meeting of the Okanagan Basin Water Board, held at the offices of the Regional District North Okanagan, Coldstream BC. ... Read more
  • OBWB Annual Meeting – September 5, 2025
    You’re invited to the Okanagan Basin Water Board’s (OBWB) Annual Meeting, taking place on Friday, September 5, 2025, from 9:00 a.m. to noon at the Mary Irwin ... Read more
  • Drought Bulletin – July 25, 2025
    Hey Okanagan! Seen some raindrops lately? While every drop helps, our water situation is still on our minds! Ever wondered what “drought” really means, beyond ... Read more
  • Drought Bulletin – July 17, 2025
    Let’s talk water! Despite some recent sprinkles, our region is still officially at 𝐃𝐫𝐨𝐮𝐠𝐡𝐭 𝐋𝐞𝐯𝐞𝐥 𝟑, and the Similkameen just moved to a 𝐋𝐞𝐯𝐞𝐥 𝟒! ... Read more
  • Drought Bulletin – July 10, 2025
    Drought Alert: Level 3 for the Okanagan! It’s officially a hot, dry summer, and the Province has upped our drought level to Level 3 as ... Read more
  • Drought Bulletin – June 13, 2025
    Regional drought level vs. YOUR watering rules: What’s the difference?Here’s the scoop: The Okanagan could be heading into another hot, dry summer. Conditions across the ... Read more

More OBWB News:

  • Media Releases
  • Drought Information & Updates
  • Agendas, Minutes & Board Reports
  • Recently Added
We acknowledge that we work on the traditional, ancestral, and unceded tm̓xʷúlaʔxʷ (land) of the syilx (Okanagan) people who have resided here since time immemorial. We honour and respect this land and the siwlɬk (water) which flows through the valley and connects us all. 

Okanagan Basin Water Board
ONE VALLEY, ONE WATER

Collaborative Water Management | Water Quality Improvement | Aquatic Weed Management

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