Salt Spring Island Water System Survey

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Salt Spring Island Water System Survey 2020 
FINAL 
 Version 6 – September 30, 2021 
 
 
 
 
A report prepared for Salt Spring Island Watershed Protection Alliance 
By 
SSIWPA Coordinator, Shannon Cowan 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
This report was prepared from data and interview responses provided by Salt Spring Island 
Water System managers as well as North Salt Spring Waterworks District and CRD Water 
Service Area public reports.  
 
 
 
 
  

 
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Table of Contents 
 
TABLE OF CONTENTS ............................................................................................................................................ 2 
ACKNOWLEDGEMENTS .................................................................................................................................................... 3 
EXECUTIVE SUMMARY .................................................................................................................................................... 3 
INTRODUCTION ................................................................................................................................................... 4 
METHODS ............................................................................................................................................................ 5 
POTABLE WATER RATES AND TARIFFS - METHOD ................................................................................................................. 5 
WATER USE COMPARISON - METHOD ............................................................................................................................... 5 
RESULTS AND DISCUSSION ................................................................................................................................... 6 
TABLE 1 - FOOTNOTES .......................................................................................................................................... 8 
TABLE 1. SALT SPRING ISLAND POTABLE WATER RATES, BY SYSTEM AND BY CONSUMPTION TIER .................................................. 9 
TABLE 2. SALT SPRING ISLAND WATER USE COMPARISON, BY SYSTEM ................................................................................... 10 
TABLE 3. SALT SPRING ISLAND WATER SYSTEM ANNUAL PRODUCTION AND NON-REVENUE WATER COMPARISON ........................ 12 
FIGURE 1. TOTAL WATER PRODUCTION (ANNUAL DEMAND VS. NON-REVENUE) ..................................................................... 13 
TABLE 4. SURFACE WATER LICENSES FOR WATER SYSTEMS ON SALT SPRING ISLAND ................................................................ 14 
TABLE 5. COST FOR ISLAND-AVERAGE GROUNDWATER-SOURCE DOMESTIC (RESIDENTIAL) ANNUAL CONSUMPTION VOLUME, BY 
GROUNDWATER SYSTEM ON SALT SPRING ISLAND .............................................................................................................. 15 
TABLE 6. COST FOR ISLAND-AVERAGE SURFACE-SOURCE DOMESTIC (RESIDENTIAL) ANNUAL CONSUMPTION V

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