雨水採取市場レポート：採取方法、エンドユーザー、地域別、2025～2033年

雨水採取市場の世界市場規模は、2024年に16億900万米ドルに達しました。今後、IMARC Groupは、市場は2033年までに23億1,350万米ドルに達し、2025年から2033年にかけて4.64%の成長率（CAGR）を示すと予測しています。環境に優しい慣行の重視の高まり、節水を奨励する有利な政府規制とインセンティブ、代替水源に対する需要の高まりなどが、市場を推進する主な要因の一部です。

雨水採取は持続可能な水管理手法であり、屋上や地表、集水域から雨水を集めて貯留し、後で利用するものです。この方法は、情勢の灌漑、トイレの洗浄、工業プロセスなど、様々な非飲料用目的に雨水を回収・利用することで、水不足を緩和するのに役立ちます。雨水は通常、タンクや貯水槽、地下貯水池に貯留され、従来の水源への依存度を減らし、流出や浸食を最小限に抑え、特に水不足に陥りやすい地域や清潔な水へのアクセスが限られている地域において、より強靭で自立した水供給システムに貢献することができます。

水不足や伝統的な水源の枯渇に対する懸念の高まりから、水資源を保護するための持続可能なソリューションとして雨水採取システムの採用が増加しており、予測期間中の雨水採取の成長を刺激することになります。さらに、節水と持続可能な実践を促進するいくつかの有利な政府政策と政策が、雨水採取を水管理戦略に組み込むよう住宅、商業、工業事業体を奨励しており、市場の成長を促進しています。さらに、環境への影響に対する意識の高まりや、環境に優しい慣行を求める声が、地域の水供給への負担を減らし、廃水処理施設への負担を最小限に抑える雨水採取システムへの需要を増大させています。これに加えて、特に水道コストの高い地域では、水道料金のコスト削減の可能性が高まっているため、製品の採用率が加速し、市場の成長に寄与しています。

雨水採取市場傾向／促進要因：

世界の水不足懸念の高まり

人口増加、急速な都市化、気候変動などの要因によって悪化した世界の水危機は、持続可能な水管理ソリューションの差し迫った必要性を強調しています。雨水採取は、水不足の課題に対処するための積極的なアプローチとして注目されています。雨水を回収して利用することで、従来の水源への依存度を下げ、灌漑、衛生、工業プロセスといった非飲料用水の代替供給源となります。地域が埋蔵水量の減少や水資源をめぐる競合の激化に直面する中、雨水採取は、利用可能な水の供給を増強し、効率的な水利用を促進し、ひいては疲弊した水道網への圧力を緩和する貴重な手段となります。

規制による支援とインセンティブの増加

世界中の政府や自治体が、節水目標の達成や環境に配慮した事業の推進において雨水採取の重要性を認識しています。この認識により、様々な分野で雨水採取システムの統合を義務付けたり、奨励したりする規制が実施されています。雨水採取システム設置に対する経済的インセンティブ、税制優遇措置、リベートにより、個人や企業が雨水採取システムを導入することが奨励され、市場の成長が促進されています。さらに、より厳しい水規制や持続可能性認証に準拠する必要性が、雨水採取システムの採用をさらに加速させ、雨水採取システムを先進的な水管理戦略の不可欠な要素として位置付けています。

急速な都市化とインフラ開発

都市化の進展と気候変動リスクの高まりに伴い、都市の回復力という概念が世界的に注目されています。雨水採取は、洪水、水質問題、供給の途絶といった水に関連する課題に耐える都市の能力を高めることで、この回復力に貢献します。雨水採取をグリーンインフラ設計、持続可能な建築プロジェクト、洪水管理計画に組み込むことで、都市は雨水の流出を効果的に管理し、地域の帯水層に水を補給し、集中排水システムの負担を軽減することができます。この二重目的のアプローチは、水に関連する脆弱性に対処し、雨水を潜在的な問題から都市の持続可能性と長期的な回復力を強化する貴重な資源へと変貌させます。

目次

第1章 序文

第2章 調査範囲と調査手法

• 調査の目的
• ステークホルダー
• データソース
  • 一次情報
  • 二次情報
• 市場推定
  • ボトムアップアプローチ
  • トップダウンアプローチ
• 調査手法

第3章 エグゼクティブサマリー

第4章 イントロダクション

• 概要
• 主要業界動向

第5章 世界の雨水採取市場

• 市場概要
• 市場実績
• COVID-19の影響
• 市場内訳：採取方法別
• 市場内訳：エンドユーザー別
• 市場内訳：地域別
• 市場予測

第6章 市場内訳：採取方法別

• 地上
• 地下

第7章 市場内訳：エンドユーザー別

• 商業
• 住宅
• 産業

第8章 市場内訳：地域別

• 北米
• アジア太平洋地域
• 欧州
• 中東・アフリカ
• ラテンアメリカ

第9章 SWOT分析

• 概要
• 強み
• 弱み
• 機会
• 脅威

第10章 バリューチェーン分析

第11章 ポーターのファイブフォース分析

• 概要
• 買い手の交渉力
• 供給企業の交渉力
• 競合の程度
• 新規参入業者の脅威
• 代替品の脅威

第12章 価格分析

第13章 競合情勢

• 市場構造
• 主要企業
• 主要企業のプロファイル
  • Kingspan Group
  • Watts Water Technologies, Inc.
  • Graf Group
  • WISY AG
  • Innovative Water Solutions LLC
  • D&D Ecotech Services
  • Rain Harvesting Supplies, Inc.
  • Water Field Technologies Pvt. Ltd
  • Stormsaver
  • Climate Inc
  • Water Harvesters
  • Heritage Tanks

List of Figures

• Figure 1: Global: Rainwater Harvesting Market: Major Drivers and Challenges
• Figure 2: Global: Rainwater Harvesting Market: Sales Value (in Million USD), 2019-2024
• Figure 3: Global: Rainwater Harvesting Market: Breakup by Harvesting Method (in %), 2024
• Figure 4: Global: Rainwater Harvesting Market: Breakup by End-User (in %), 2024
• Figure 5: Global: Rainwater Harvesting Market: Breakup by Region (in %), 2024
• Figure 6: Global: Rainwater Harvesting Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 7: Global: Rainwater Harvesting Industry: SWOT Analysis
• Figure 8: Global: Rainwater Harvesting Industry: Value Chain Analysis
• Figure 9: Global: Rainwater Harvesting Industry: Porter's Five Forces Analysis
• Figure 10: Global: Rainwater Harvesting (Above Ground) Market: Sales Value (in Million USD), 2019 & 2024
• Figure 11: Global: Rainwater Harvesting (Above Ground) Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 12: Global: Rainwater Harvesting (Underground) Market: Sales Value (in Million USD), 2019 & 2024
• Figure 13: Global: Rainwater Harvesting (Underground) Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 14: Global: Rainwater Harvesting (Commercial) Market: Sales Value (in Million USD), 2019 & 2024
• Figure 15: Global: Rainwater Harvesting (Commercial) Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 16: Global: Rainwater Harvesting (Residential) Market: Sales Value (in Million USD), 2019 & 2024
• Figure 17: Global: Rainwater Harvesting (Residential) Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 18: Global: Rainwater Harvesting (Industrial) Market: Sales Value (in Million USD), 2019 & 2024
• Figure 19: Global: Rainwater Harvesting (Industrial) Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 20: North America: Rainwater Harvesting Market: Sales Value (in Million USD), 2019 & 2024
• Figure 21: North America: Rainwater Harvesting Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 22: Asia Pacific: Rainwater Harvesting Market: Sales Value (in Million USD), 2019 & 2024
• Figure 23: Asia Pacific: Rainwater Harvesting Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 24: Europe: Rainwater Harvesting Market: Sales Value (in Million USD), 2019 & 2024
• Figure 25: Europe: Rainwater Harvesting Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 26: Middle East and Africa: Rainwater Harvesting Market: Sales Value (in Million USD), 2019 & 2024
• Figure 27: Middle East and Africa: Rainwater Harvesting Market Forecast: Sales Value (in Million USD), 2025-2033
• Figure 28: Latin America: Rainwater Harvesting Market: Sales Value (in Million USD), 2019 & 2024
• Figure 29: Latin America: Rainwater Harvesting Market Forecast: Sales Value (in Million USD), 2025-2033

List of Tables

• Table 1: Global: Rainwater Harvesting Market: Key Industry Highlights, 2024 and 2033
• Table 2: Global: Rainwater Harvesting Market Forecast: Breakup by Harvesting Method (in Million USD), 2025-2033
• Table 3: Global: Rainwater Harvesting Market Forecast: Breakup by End-User (in Million USD), 2025-2033
• Table 4: Global: Rainwater Harvesting Market Forecast: Breakup by Region (in Million USD), 2025-2033
• Table 5: Global: Rainwater Harvesting Market Structure
• Table 6: Global: Rainwater Harvesting Market: Key Players

The global rainwater harvesting market size reached USD 1,609.0 Million in 2024. Looking forward, IMARC Group expects the market to reach USD 2,313.5 Million by 2033, exhibiting a growth rate (CAGR) of 4.64% during 2025-2033. The increasing emphasis on eco-friendly practices, favorable government regulations and incentives encouraging water conservation, and escalating demand for alternative water sources are some of the major factors propelling the market.

Rainwater harvesting is a sustainable water management practice that involves collecting and storing rainwater from rooftops, surfaces, or catchment areas for later use. This method helps alleviate water scarcity by capturing and utilizing rainwater for various non-potable purposes, such as landscape irrigation, toilet flushing, and industrial processes. Rainwater is typically stored in tanks, cisterns, and underground reservoirs, and can reduce the dependence on traditional water sources, minimize runoff and erosion, and contribute to a more resilient and self-reliant water supply system, especially in regions prone to water shortages or with limited access to clean water.

The rising adoption of rainwater harvesting systems as a sustainable solution for conserving water resources due to the increasing concerns about water scarcity and the depletion of traditional water sources will stimulate the growth of the rainwater harvesting market during the forecast period. Mreover, several favorable government policies and regulations promoting water conservation and sustainable practices, encouraging residential, commercial, and industrial entities to integrate rainwater harvesting into their water management strategies is propelling the market growth. Additionally, the growing awareness about the environmental impact and the desire for eco-friendly practices have augmented the demand for rainwater harvesting systems that decrease strain on local water supplies and minimize the burden on wastewater treatment plants. Besides this, the escalating potential for cost savings on water bills, especially in regions with high water costs, has accelerated the product adoption rate, thereby contributing to the market growth.

Rainwater Harvesting Market Trends/Drivers:

Rise in water scarcity concerns across the globe

The global water crisis, exacerbated by factors such as population growth, rapid urbanization, and climate change, underlines the pressing need for sustainable water management solutions. Rainwater harvesting emerges as a proactive approach to address water scarcity challenges. By capturing and utilizing rainwater, this practice reduces the reliance on conventional water sources, offering an alternative water supply for non-potable applications like irrigation, sanitation, and industrial processes. As regions face declining water reserves and increasing competition for water resources, rainwater harvesting provides a valuable means to augment available water supplies, promote efficient water use, and ultimately alleviate pressure on strained water networks.

Increase in regulatory support and incentives

Governments and municipalities worldwide are recognizing the significance of rainwater harvesting in achieving water conservation targets and promoting environmentally responsible practices. This recognition has led to the implementation of regulations that require or incentivize rainwater harvesting system integration in various sectors. Financial incentives, tax breaks, and rebates for rainwater harvesting system installations encourage individuals and businesses to adopt this practice, fostering market growth. Moreover, the need for compliance with stricter water regulations and sustainability certifications further accelerates the adoption of rainwater harvesting systems, positioning them as integral components of a forward-thinking water management strategy.

Rapid urbanization and infrastructure development

With the elevating levels of urbanization and climate-related risks, the concept of urban resilience has gained prominence globally. Rainwater harvesting contributes to this resilience by enhancing a city's ability to withstand water-related challenges such as flooding, water quality issues, and supply disruptions. By integrating rainwater harvesting into green infrastructure designs, sustainable building projects, and flood management plans, cities can effectively manage stormwater runoff, replenish local aquifers, and reduce the strain on centralized drainage systems. This dual-purpose approach addresses water-related vulnerabilities and transforms rainwater from a potential problem into a valuable resource that strengthens urban sustainability and long-term resilience.

Rainwater Harvesting Industry Segmentation:

Breakup by Harvesting Method:

• Above Ground
• Underground

Above ground represents the most widely used method of harvesting

The above-ground rainwater harvesting method is gaining immense traction due to its simplicity, accessibility, and cost-effectiveness. This method involves the installation of catchment systems such as rooftop gutters, downspouts, and storage tanks that are situated above the ground surface. These systems are relatively easy to implement and require minimal modifications to existing infrastructure, making them attractive options for both residential and commercial properties. The visible nature of above-ground systems also fosters awareness and encourages higher product adoption rates among consumers.

Additionally, their versatility in various geographic locations, coupled with lower installation and maintenance costs compared to underground alternatives, positions above-ground rainwater harvesting systems as an accessible entry point for individuals, communities, and businesses aiming to embrace sustainable water practices while contributing to the overall growth of the rainwater harvesting market.

Breakup by End-User:

• Commercial
• Residential
• Industrial

Commercial sector holds the largest share in the market

The main factors that are driving the growth of the commercial segment include its potential for impactful water savings and sustainability initiatives. Businesses across numerous industries, including hospitality, manufacturing, and offices, are increasingly recognizing the economic and environmental benefits of rainwater harvesting. Commercial properties often have substantial roof areas and water demands, making them ideal candidates for large-scale rainwater collection. By integrating rainwater harvesting systems, commercial establishments can reduce reliance on municipal water supplies, thereby lowering water bills and operating costs.

Moreover, the adoption of sustainable practices like rainwater harvesting aligns with corporate social responsibility goals, enhancing brand reputation and attracting environmentally conscious consumers. Therefore, the rising influence of the commercial sector that amplifies awareness and adoption of rainwater harvesting, is propelling the market growth.

Breakup by Region:

• North America
• Asia Pacific
• Europe
• Middle East and Africa
• Latin America

North America exhibits a clear dominance in the market

The report has also provided a comprehensive analysis of all the major regional markets, which include North America, Asia Pacific, Europe, Middle East and Africa and Latin America. According to the report, North America accounted for the largest market share.

North America held the biggest share in the market since the region has diverse climate patterns, including water scarcity concerns in arid areas and higher instances of intense rainfall events, which has accelerated the adoption of rainwater harvesting. Additionally, the rising environmental awareness and sustainable practices in North America prompt the residential, commercial, and industrial sectors to seek alternative water solutions, thereby propelling the market growth. Government incentives and regulations further stimulate the market growth, as various states and municipalities across the region offer rebates and mandates for rainwater harvesting system installations.

Moreover, the rapid growth of the construction industry and the shifting trend toward green building standards encourage the incorporation of rainwater harvesting into new projects, thus contributing to market growth. North America's proactive approach to water conservation, coupled with its robust market infrastructure, fosters innovation and expansion in the rainwater harvesting market, fueling its growth in the region.

Competitive Landscape:

Key players in the rainwater harvesting market are driving innovation through advanced technologies and solutions. Recent innovations include the integration of Internet of Things (IoT) sensors and smart monitoring systems into rainwater harvesting setups, enabling real-time data collection on water quality, storage levels, and system performance. Additionally, some players are developing modular and scalable rainwater harvesting systems tailored to diverse applications, from residential to industrial, providing flexibility and ease of installation. Furthermore, the rising collaborative efforts between rainwater harvesting providers and digital platforms offer online tools for system design, estimating water savings, and facilitating informed decision-making. Such innovations collectively enhance the efficiency, accessibility, and appeal of rainwater harvesting solutions in the market. We also expect the market to witness new entrants, consolidation of product portfolios, and a rise in strategic partnerships and collaborations among key players to drive healthy competition within the rainwater harvesting domain during the forecast period.

The report has provided a comprehensive analysis of the competitive landscape in the market. Detailed profiles of all major companies have also been provided. Some of the key players in the market include:

• Kingspan Group
• Watts Water Technologies, Inc.
• Graf Group
• WISY AG
• Innovative Water Solutions LLC
• D&D Ecotech Services
• Rain Harvesting Supplies, Inc.
• Water Field Technologies Pvt. Ltd
• Stormsaver
• Climate Inc
• Water Harvesters
• Heritage Tanks
• Key Questions Answered in This Report
• 1.What was the size of the global rainwater harvesting market in 2024?
• 2.What is the expected growth rate of the global rainwater harvesting market during 2025-2033?
• 3.What are the key factors driving the global rainwater harvesting market?
• 4.What has been the impact of COVID-19 on the global rainwater harvesting market?
• 5.What is the breakup of the global rainwater harvesting market based on the harvesting method?
• 6.What is the breakup of the global rainwater harvesting market based on the end-user?
• 7.What are the key regions in the global rainwater harvesting market?
• 8.Who are the key players/companies in the global rainwater harvesting market?

Table of Contents

1 Preface

2 Scope and Methodology

• 2.1 Objectives of the Study
• 2.2 Stakeholders
• 2.3 Data Sources
  • 2.3.1 Primary Sources
  • 2.3.2 Secondary Sources
• 2.4 Market Estimation
  • 2.4.1 Bottom-Up Approach
  • 2.4.2 Top-Down Approach
• 2.5 Forecasting Methodology

3 Executive Summary

4 Introduction

• 4.1 Overview
• 4.2 Key Industry Trends

5 Global Rainwater Harvesting Market

• 5.1 Market Overview
• 5.2 Market Performance
• 5.3 Impact of COVID-19
• 5.4 Market Breakup by Harvesting Method
• 5.5 Market Breakup by End-User
• 5.6 Market Breakup by Region
• 5.7 Market Forecast

6 Market Breakup by Harvesting Method

• 6.1 Above Ground
  • 6.1.1 Market Trends
  • 6.1.2 Market Forecast
• 6.2 Underground
  • 6.2.1 Market Trends
  • 6.2.2 Market Forecast

7 Market Breakup by End-User

• 7.1 Commercial
  • 7.1.1 Market Trends
  • 7.1.2 Market Forecast
• 7.2 Residential
  • 7.2.1 Market Trends
  • 7.2.2 Market Forecast
• 7.3 Industrial
  • 7.3.1 Market Trends
  • 7.3.2 Market Forecast

8 Market Breakup by Region

• 8.1 North America
  • 8.1.1 Market Trends
  • 8.1.2 Market Forecast
• 8.2 Asia Pacific
  • 8.2.1 Market Trends
  • 8.2.2 Market Forecast
• 8.3 Europe
  • 8.3.1 Market Trends
  • 8.3.2 Market Forecast
• 8.4 Middle East and Africa
  • 8.4.1 Market Trends
  • 8.4.2 Market Forecast
• 8.5 Latin America
  • 8.5.1 Market Trends
  • 8.5.2 Market Forecast

9 SWOT Analysis

• 9.1 Overview
• 9.2 Strengths
• 9.3 Weaknesses
• 9.4 Opportunities
• 9.5 Threats

10 Value Chain Analysis

11 Porters Five Forces Analysis

• 11.1 Overview
• 11.2 Bargaining Power of Buyers
• 11.3 Bargaining Power of Suppliers
• 11.4 Degree of Competition
• 11.5 Threat of New Entrants
• 11.6 Threat of Substitutes

12 Price Analysis

13 Competitive Landscape

• 13.1 Market Structure
• 13.2 Key Players
• 13.3 Profiles of Key Players
  • 13.3.1 Kingspan Group
  • 13.3.2 Watts Water Technologies, Inc.
  • 13.3.3 Graf Group
  • 13.3.4 WISY AG
  • 13.3.5 Innovative Water Solutions LLC
  • 13.3.6 D&D Ecotech Services
  • 13.3.7 Rain Harvesting Supplies, Inc.
  • 13.3.8 Water Field Technologies Pvt. Ltd
  • 13.3.9 Stormsaver
  • 13.3.10 Climate Inc
  • 13.3.11 Water Harvesters
  • 13.3.12 Heritage Tanks