The global construction market is forecasted by GlobalData to grow by 1.8% in real terms in 2024, having grown by 1.7% in 2023. While the residential construction market in many countries will decline, this will be offset by high growth in the infrastructure sector, with output rising by 8.3% in real terms. GlobalData tracks and profiles all major construction projects from announcement to completion. For further insight on this market, buy the latest profiles here.

Driving growth in the market in 2022 and over the remainder of the decade are a potential 135 mega hydroelectric projects, costing over $100m each. Here are the largest water and sewage construction projects initiated globally in Q2 2024, according to GlobalData’s construction projects database.

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1. Bhandup Water Treatment Plant

The project involves the construction of a water treatment plant with a capacity of 2,000 million liters daily in Mumbai, Maharashtra, India.

Construction work started in Q2 2024 and is expected to be completed in Q4 2028.

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2. Honolulu Sand Island Wastewater Plant Expansion

The project involves the expansion of a wastewater treatment plant from 80 million gallons (MG) per day to 90 MG per day in Hawaii, the US.

Construction work commenced in Q2 2024 and is expected to finish in Q4 2028.

The project aims to expand and modernize the plant to increase wastewater solids production and material handling needs at the SIWWTP have led to the need for additional digestion capacity. Buy the profile here.

3. Ellicott City Extended North Tunnel

The project involves the construction of a 1.5km water tunnel of 5.5m in diameter and 30.4m underground in Ellicott City, Maryland, the US.

Construction work started in Q2 2024 and is forecast to complete in Q4 2027.

The project aims to mitigate the flood component of the city to enable residents to feel safe and to protect life, property, businesses, and homes of Ellicott City.

4. Thalwil Zimmerberg Wastewater Treatment Plant (ARA)

The project involves the construction of the Zimmerberg wastewater treatment plant (ARA) in Thalwil, Zurich, Switzerland.

Construction work commenced in Q2 2024 and is expected to be completed in Q1 2029.

The project aims to build a future-oriented, sustainable and compact wastewater treatment plant for the region and will clean the wastewater of 78,000 residents and industry from 2027.

5. Alvim Sewage Treatment Plant Expansion

The project involves the construction of a sewage treatment plant in Sarpsborg, Ostfold, Norway.

Construction work started in Q2 2024 and is expected to be completed in Q4 2026.

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GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

GlobalData’s Construction Projects database tracks over 220,000 new construction projects valued at >$25m from announcement to completion across all countries and sectors.