Drinking Water Quality and Supply

From source to sink

Where Essa water comes from

A plain-language tour of the lakes, rivers, or wells that feed Essa, 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 Essa 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 Essa

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

Deep dive for households

Essa drinking water starts as a mix of surface water and wells. The named sources on the utility record are Angus municipal groundwater wells (six production wells), Collingwood / Alliston pipeline (treated surface water blend at Mill Street). That is the water that eventually reaches kitchen taps after treatment, not a separate bottled brand.

Water is cleaned at Mill Street, McGeorge, and Brownley pumphouses (Angus DWS) before it enters city pipes. Sodium silicate for iron sequestration and sodium hypochlorite disinfection at each pumphouse; underground reservoirs. Mill Street also receives Collingwood/Alliston pipeline water.

After treatment, water moves through pumps, storage, and underground mains to reach streets and buildings. Township of Essa / OCWA; Class II distribution & supply serving Angus (~14,500). Common distribution from three facilities.

One detail that makes Essa water feel local: Angus is mostly a well town that can also take Lake Ontario / Georgian Bay-region water via the Collingwood-Alliston transmission pipeline. 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

Mixed surface and groundwater

A blend of surface water and wells, depending on the neighbourhood or season.

Research confidence: high

Named source waters

  • Angus municipal groundwater wells (six production wells)
  • Collingwood / Alliston pipeline (treated surface water blend at Mill Street)

Treatment plants

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

  • Mill Street, McGeorge, and Brownley pumphouses (Angus DWS)

    Sodium silicate for iron sequestration and sodium hypochlorite disinfection at each pumphouse; underground reservoirs. Mill Street also receives Collingwood/Alliston pipeline water.

How it reaches your street

Township of Essa / OCWA; Class II distribution & supply serving Angus (~14,500). Common distribution from three facilities.

Essa water quality grades · All city rankings

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