Drinking Water Quality and Supply

From source to sink

Where Vernon water comes from

A plain-language tour of the lakes, rivers, or wells that feed Vernon, the plants that clean the water, and how it reaches kitchen taps. Lab grades for hardness, lead, and pH live on the water quality page.

On the map

Where Vernon water lives

Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.

Map showing drinking-water locations for Vernon

Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.

Deep dive for households

Vernon drinking water starts as surface water (rivers, lakes, or reservoirs). The named sources on the utility record are Duteau Creek, Kalamalka Lake. That is the water that eventually reaches kitchen taps after treatment, not a separate bottled brand.

Water is cleaned at Greater Vernon Water treatment facilities (Duteau Creek and Kalamalka Lake) before it enters city pipes. Regional District of North Okanagan’s Greater Vernon Water utility supplies Vernon, Coldstream, and surrounding areas. Potable supply is treated surface water from Duteau Creek and Kalamalka Lake; backup wells for emergencies only.

After treatment, water moves through pumps, storage, and underground mains to reach streets and buildings. GVW operates a large combined domestic/agricultural utility with separate non-potable irrigation supplies in some areas. Aberdeen Plateau reservoirs store Duteau Creek watershed water.

One detail that makes Vernon water feel local: Greater Vernon Water is among BC’s largest utilities by volume and still runs parallel non-potable agricultural networks alongside the treated domestic system. Lab grades for hardness, lead, and pH sit on the city water quality page; this overview is about the route the water travels.

Where it starts

Surface water

Rivers, lakes, or reservoirs, not underground wells as the main draw.

Research confidence: high

Named source waters

  • Duteau Creek
  • Kalamalka Lake

Treatment plants

These are the buildings that filter and disinfect water before it enters city pipes.

  • Greater Vernon Water treatment facilities (Duteau Creek and Kalamalka Lake)

    Regional District of North Okanagan’s Greater Vernon Water utility supplies Vernon, Coldstream, and surrounding areas. Potable supply is treated surface water from Duteau Creek and Kalamalka Lake; backup wells for emergencies only.

How it reaches your street

GVW operates a large combined domestic/agricultural utility with separate non-potable irrigation supplies in some areas. Aberdeen Plateau reservoirs store Duteau Creek watershed water.

Vernon water quality grades · All city rankings

Source · ECCC / municipal open data (seed). Last updated 2026-07-22. Refreshed on the site's automated schedule.