GVCA President’s Message March

What’s Happening with Water in Waterloo Region

The Region of Waterloo has confirmed a water capacity limit impacting parts of the region, especially the Mannheim Service Area (which includes parts of Kitchener, Waterloo and Cambridge).

This constraint stems from a combination of factors:

  • A revised method of calculating available water capacity.
  • Heavy reliance on groundwater supplies (about 80 % of regional supply), which makes the system more sensitive to drought/limits.
  • Aging infrastructure at the Mannheim Water Treatment Plant that limits throughput unless upgrades are made.
  • Staff changes and some level of ineptness

As a result:

  • New servicing agreements (which allow future developments to connect to water and wastewater systems) have been paused or delayed.
  • Buildings with already approved permits and servicing agreements can still proceed, but new development commitments are limited until capacity is expanded.

The Impact on Development

Development Approvals are slowing or on hold because developers generally need servicing agreements before starting major projects (like residential subdivisions, condo towers, office parks, industrial buildings), a constraint on water capacity means:

  • Some new projects won’t get servicing letters immediately.
  • Developers are deferring or re-scoping projects while solutions are established.
  • Temporary capacity measures (like side-stream treatment in containers) are being tested to help move approvals forward in the short term.

Municipal reporting and industry commentators have highlighted that water limitations are a material constraint on growth in a region that has been among Ontario’s fastest growing.

Impact on Jobs and the Construction Sector

Construction jobs and economic activity are at risk.

Industry sources and regional discussions recently highlighted that this water capacity issue puts a significant number of construction-related jobs at risk.

According to reports from industry outlets:

  • More than ~24,000 construction jobs could be jeopardized if development slows or projects are cancelled due to ongoing servicing limits.
    • This figure comes from presentations to municipal committees and industry stakeholders outlining the broader economic impact of delays, particularly in housing and commercial infrastructure.

What this means in practice:

  • Contractors, tradespeople, and suppliers depend on a steady pipeline of new developments (residential, commercial, institutional).
  • If servicing letters are delayed for months (or longer), builders may postpone hiring, scale back teams, or bid work outside the region.
  • Supply chains (manufacturers of building materials, equipment rentals, engineering services) also feel the ripple effects of reduced project starts.

Broader Economic and Social Impacts

  • Organizations that support urban growth (architects, planners, landscape, utilities) will see reduced revenue streams.
  • Local employment that depends on construction (restaurants near job sites, equipment suppliers) will see reduced activity.

What’s Being Done

Local governments, industry and utilities are responding:

Short- and Medium-Term Solutions

  • Engineering and infrastructure upgrades at the Mannheim plant (including temporary side stream treatment systems to boost capacity quickly).
  • A working group has been established with representatives from all impacted industries. The group meets weekly as an accountability source.
  • Regional Council discussions include budgeting for larger upgrades and long-term investments to expand overall water/wastewater handling.

Balancing Growth and Infrastructure

The goal is to allow as much development as possible while water capacity is expanded — but there is a trade-off:

  • Developers may have to wait weeks/months for servicing letters.
  • Regional staff need to balance safe, sustainable water service with economic growth.