SOR 24-2042-S09 2026 Watermain Replacement and Storm Extensions

Watermain Replacement Calgary’s water distribution system includes many aging metallic watermains that are vulnerable to corrosion, leaks, and failures due to age and local soil conditions. These deteriorating assets increase the risk of service disruptions, emergency repairs, public safety concerns, and higher lifecycle costs. The Water Main Replacement Program uses a risk‑based, data‑driven approach to proactively replace or rehabilitate the highest‑risk infrastructure, improving system relia