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Green Living

How to Collect Rainwater (and Why You Need To)

Last Updated on March 29, 2024 by Veronica Sparks

Usable water is sparse at many points throughout the season, making it a costly endeavor to keep a supply of water for growing food and managing your suburban homestead. When you collect rainwater, you can reduce your reliance on municipal water supplies, save money on water bills, and contribute to environmental conservation.

Did you know that the average monthly cost of residential water has risen by more than 60% in the last decade? With costs continually rising, rainwater is a valuable resource that can be easily utilized for various purposes.

Let’s explore the benefits of rainwater collection and provide a step-by-step guide on how to collect rainwater effectively.

Closeup of a single raindrop about to fall off of a leaf

Assessing Your Collection Needs

Before setting up a rainwater collection system, it’s important to assess your specific needs. Consider the amount of rainfall in your area, the size of your property, and the intended uses for the collected water. This assessment will help you determine the capacity and design of your rainwater collection system.

Choosing a Collection Method

There are several methods you can use to collect rainwater. The most common options are rain barrels, cisterns, and rainwater harvesting systems. Rain barrels are suitable for small-scale collection, while cisterns and harvesting systems are better for larger properties or commercial use.

FCMP Outdoor RC4000 50-Gallon Heavy-Duty Outdoor Home Rain Catcher Barrel

Why we love it:

  • Includes aluminum mesh debris screen to keep water clean
  • Includes a garden hose, shut-off thumb valve, hanging hose clips, and overflow hose
  • Can expand water storage using the included linking kit and spigots to connect multiple barrels
  • Flat back for ease of installation

Related Article: What You Need to Know Before You Dig a Well

Selecting an Ideal Location

Identify an ideal location for your rainwater collection system. Choose an area where rainwater runoff is abundant and easily accessible. Consider the proximity to downspouts or gutters to ensure efficient collection. Ensure that the chosen location provides stability and is away from trees or other obstructions that may cause damage to the system.

Brown downspout over aged concrete above a brown bucket

Installing Gutters and Downspouts

To maximize rainwater collection, install gutters and downspouts on your roof if you haven’t already. Gutters will direct rainwater towards the downspouts, which can be connected to your rainwater collection system. Ensure that the gutters and downspouts are clean and free of debris to prevent clogging.

Related Article: 3 Best Rain Barrels You Can Buy on Amazon Today

Setting Up a Rainwater Collection System

Install a rain barrel directly under the downspout and use a diverter or a filter to remove debris. Ensure the barrel has a tight-fitting lid to prevent mosquito breeding and contamination. Cisterns and rainwater harvesting systems may require professional installation and can be customized based on your needs and budget.

Rainwater falling from a tin roof with deep ridges

Maintaining Your Rainwater Collection System

Regular maintenance is crucial to ensure the effectiveness and longevity of your rainwater collection system. Clean the gutters and downspouts regularly, inspect the collection containers for any damage or leaks, and keep the system free from debris and contaminants. If using rainwater for drinking or cooking, consider implementing a filtration system to ensure its safety.

Closeup of water spraying out of hose onto green grass

Why You Need to Collect Rainwater

  • Water Conservation: Collecting rainwater helps conserve water resources, especially in areas prone to drought or water scarcity. It reduces the strain on municipal water supplies and promotes sustainable water usage.
  • Cost Savings: Harnessing rainwater can significantly reduce water bills, especially for outdoor activities like watering gardens, lawns, or washing cars. Collecting and using rainwater can decrease your reliance on treated water for non-potable uses.

Related Article: Is Homesteading Worth It? Cost, Savings, and Earnings Study

  • Environmentally Friendly: Rainwater collection promotes environmental sustainability and green living by reducing the demand for water extraction from rivers, lakes, and underground sources. It also helps to alleviate stormwater runoff, which can contribute to flooding and water pollution in your area.
Hooded little girl playing with rainwater next to a rainbarrel

Harness the Power of Rainwater Today 

Collecting rainwater is a simple and beneficial practice that anyone can implement on their property. By following the steps outlined in this guide, you can set up an effective rainwater collection system and reap the rewards of reduced water bills, water conservation, and environmental stewardship. Start harnessing the power of rainwater today and make a positive impact on both your wallet and the planet.

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