Most preppers would agree that building resilience against drought is critical for survival preparedness.
By installing a simple downspout diverter, you can easily harvest rainwater for water independence using gravity-fed rain barrels or cisterns.
In this article, you'll learn how to choose and install a downspout diverter system to leverage free rainwater for your garden's irrigation, wildlife watering stations, sanitation needs and more during dry spells.
Introduction to Rainwater Harvesting with a Downspout Diverter
A downspout diverter is a simple device that allows you to redirect rainwater from your home's gutters into a rain barrel or cistern for later use. Installing a diverter is an easy way for preppers to set up a rainwater harvesting system to help water your survival garden during dry spells.
The main benefit of a downspout diverter is that it lets you harvest free rainwater that would otherwise go to waste. The stored water can then be used to water your vegetable garden, fruit trees, or other plants when rain is scarce. This helps reduce your water usage while also supplying your own water source.
Some key things to consider when installing a diverter:
- Choose an unobtrusive location near one of your home's downspouts so rainwater can easily flow into your storage container
- Make sure you have a rain barrel or above-ground cistern properly set up and ready to connect to
- Consider combining a diverter with a first flush system to filter out debris before it enters your storage container
- Route the diverted water to your garden using gravity flow or a small pump
Installing a diverter is DIY-friendly for most preppers. Proper set up and maintenance will lead to an abundant source of free rainwater year after year.
Do downspout diverters work?
Downspout diverters are simple yet effective devices that allow you to harvest rainwater from your home's gutters. They work by redirecting the flow of water from your downspouts into rain barrels or other collection systems when needed.
Here's a quick overview of how downspout diverters function:
- They attach to your existing downspouts using hose clamps or zip ties. Installation is generally simple and requires basic DIY skills.
- Diverters feature an opening to attach a hose or pipe that leads to your rain barrel. Some have a flip mechanism to easily switch between modes.
- When the diverter is switched "on", rainwater will be redirected through the alternate opening rather than flowing down the downspout. This allows you to capture and store water.
- If your storage tank becomes full, the diverter can be flipped to the "off" position so rainwater resumes flowing down the downspout to drain away from your home.
So in short - yes, downspout diverters are effective for harvesting rain when used properly. Just make sure to check them periodically and switch modes as needed based on the current weather conditions. Maintaining your collection system is also key.
What is the best way to redirect a downspout?
Redirecting roof runoff is as simple as adding a downspout diverter kit. These easy-to-install kits attach to the bottom of your existing downspout, redirecting water flow away from your home's foundation.
A basic downspout diverter kit includes a diverter box that connects to your downspout, with a flexible pipe attached that redirects water at least 3-5 feet away from your home. They are typically made from durable PVC or metal.
Downspout diverters have a few key benefits for preppers:
- Prevent foundation damage and basement flooding by diverting rainwater runoff
- Capture rainwater for reuse in your survival garden irrigation system
- Simple DIY installation that takes less than an hour
When installing a downspout diverter, make sure to:
- Choose a durable PVC or galvanized steel model
- Allow enough clearance to redirect water at least 3 feet from home
- Securely fasten all connections to prevent leaks
- Angle diverter pipe downhill so water flows freely
Properly installed downspout diverters let you easily capture rainwater for your self-reliance needs. They prevent flooding risks and foundation damage as well. For harvesting rainwater on a budget, downspout diverters are a handy prepper tool!
How do you run water away from a downspout?
To carry rainwater away from your home's foundation, you can install a downspout diverter. A downspout diverter is a simple device that attaches to your existing downspouts and redirects water flow.
Here are some tips for installing and using a downspout diverter:
- Choose an above-ground or underground diverter depending on your needs. Above-ground diverters redirect water via pipes along the ground surface. Underground diverters channel water below lawn or garden beds.
- Attach the diverter fittings to your downspouts using metal screws or rivets for a secure hold. Make sure it does not leak.
- Run solid PVC piping from the diverter to drain water at least 5 ft away from the home's foundation. This prevents flooding and water damage.
- Consider adding elbow joints to the PVC piping so you can angle it downhill, allowing gravity to improve water flow.
- Periodically check the downspout diverter to remove any debris clogging the system after heavy storms. Proper maintenance prevents leaks and flooding.
Installing a downspout diverter is an easy DIY project for most homeowners. And it effectively redirects rainwater away from your home's foundation. With proper installation and routine care, a downspout diverter provides an affordable rainwater harvesting solution.
Benefits of Using a Downspout Diverter
Installing a downspout diverter provides numerous advantages for those focused on emergency preparedness and self-reliance. Key benefits include:
Save Money on Water Bills
Collecting rainwater means relying less on municipal water sources, saving money month-to-month. A basic downspout diverter kit costs around $30, a small price to pay for the hundreds of gallons of free rainwater you can harvest each year. Install a large rain barrel or connect multiple barrels in series to store even more harvested rain. With DIY downspout diverters, you take control over a portion of your water supply.
Municipal water rates continue to rise year after year. In a crisis scenario, you may lose access to tap water entirely. By installing rain diverters and storage systems, you buffer yourself from unpredictable price hikes and infrastructure failures. The money saved can be invested into other emergency preparedness gear.
Drought Resilience
Stored rainwater gives you an emergency water supply during droughts or interruptions to main water lines. While you may not use stored rainwater as your primary potable source, it serves nicely for irrigating vegetable gardens, fruit trees, and ornamental plants. Rainwater is naturally soft, devoid of minerals and chemicals found in groundwater. This makes it ideal for watering survival gardens designed to boost self-reliance.
During a drought or emergency, municipal water authorities often enforce usage restrictions. With your own rainwater stockpile and gravity-fed drip irrigation, your garden growth continues uninterrupted. Growing high-yield fruits and vegetables takes on greater importance when stores close and supply chains falter.
Self-Sufficiency
Taking control over a basic need like water through DIY rainwater harvesting boosts self-reliance. Gathering free rainwater means no monthly water bills, no utility easements on your property, no reliance on government authorities deciding allotments and rates. Commercial downspout diverters integrate seamlessly into existing gutter downspouts, requiring only basic tools to install.
Start small by diverting one downspout into a 50 gallon rain barrel, then expand from there. A larger cistern holding 500+ gallons gives substantial emergency reserves. Take things further by adding a solar-powered pump to move water uphill to key locations. The ability to independently secure water, energy, food, and shelter is central to a prepper’s mindset.
Chemical-Free Water
Rainwater avoids chemicals used to treat tap water, providing a healthy option for gardens, pets, or cleaning. Municipal water contains chlorine, fluoride, and other additives like sodium hydroxide to raise the pH. While small levels of these chemicals are safe for human consumption, rainwater provides a purer water source for plants and animals.
The pH of harvested rainwater falls slightly below neutral at around 6.5. This mild acidity is great for vegetables like tomatoes, which prefer more acidic soil. Tap water with a high pH and salt concentration stresses sensitive garden plants. Always test rainwater before drinking - collection systems should be kept clean and sealed to avoid contamination from roof debris & critters. But for non-potable uses, captured rainwater gives chemical-free purity.
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Key Components of a Rainwater Harvesting System
A basic downspout diverter setup involves just a few key parts:
Gutters & Downspouts
Well-maintained gutters channel roof runoff into downspouts that direct water into the diverter. Ensuring your gutters are free of debris allows rainwater to flow freely into the downspouts. Downspouts connect directly to the diverter valve, providing a path for the rainwater to be re-routed.
The Downspout Diverter Valve
The manual or automated downspout diverter valve redirects water flow into a rain barrel storage tank. This component allows you to control where the collected rainwater goes - either into the barrels for storage or allowing it to flow through the downspouts like normal. The valve attaches with a flexible tube to the rain barrel.
Diverter valves come in manual or automatic varieties:
- Manual diverters require physically flipping a switch to redirect water flow. These are simple and affordable, but require diligence to actively divert water during rains.
- Automatic diverters use sensors to redirect water into barrels once filled. This allows "set it and forget it" rainwater collection with less effort.
Rain Barrel or Cistern
The water storage tank comes in various sizes based on your space and budget. These capture the diverted rainwater from downspouts for later use watering plants or gardens.
Rain barrels tend to range from 50-80 gallons. They work well for small-scale harvesting projects. Larger cisterns hold 100+ gallons for maximizing storage capacity.
When sizing your tank, consider factors like:
- Average rainfall in your area
- Collection area - how much runoff your roof & gutters gather
- Usage - how much rainwater your garden requires
Overflow Drainage
Once barrels fill, excess water discharges away from the house's foundation. This prevents flooding. Many kits include overflow fittings. But you can also DIY overflow drainage by drilling an extra hole near the top to allow excess water to drain out.
Be sure excess water flows away from the house through a flexible tube. Discharge this into a gravel drainage ditch or rain garden planted with water-loving plants.
Filtration System
An optional filter catches roof debris, keeping stored rainwater clean. While most initial roof runoff diverts away, some residue still enters barrels. Adding an inline debris filter prevents this from contaminating your rainwater storage.
Basic filtration options include:
- Fine mesh screen to block leaves & sediment
- Activated charcoal to remove impurities
- First flush diverters that route the first wave of water away
Advanced systems with ultraviolet light chambers or slow sand filters provide thorough treatment for potable water. But basic filters sufficiently clean rainwater for irrigation uses.
Installing a downspout diverter makes harnessing rainwater simple. Follow proper installation and maintenance of these key components, and you'll have ample water reserves for your survival garden!
Choosing the Right Downspout Diverter
Deciding on the right downspout diverter is key for an effective rainwater harvesting system. As you explore options, consider whether a commercial or DIY solution best fits your needs and budget.
Commercial Downspout Diverter Options
Pre-made diverters offer durability and optimal water flow control. Popular choices include:
- PVC diverters: Sturdy plastic construction resists weathering. Attach with screws for stability. Comes in various sizes to handle heavy rainfall.
- Metal diverters: Strong galvanized steel or aluminum stands up to years of use. Coated models prevent rust. Flexible elbow design redirects water flow.
- Smart diverters: Advanced diverters connect to home automation systems. Control flow with app or voice assistant. Get notifications if diverters clog or overflow. More expensive but very convenient.
When installing commercial diverters, ensure proper slope and seal with waterproof caulking. Consider adding a first-flush device to filter debris before it enters collection tanks.
Crafting Your Own DIY Downspout Diverter
For a customized setup, build a simple downspout diverter using common materials:
Step 1: Cut PVC pipe to desired length. Attach end caps securely with PVC cement. Drill several holes along the underside to allow overflow.
Step 2: Cut rain gutter to size. Attach diverter pipe with waterproof silicone. Slope pipe towards collection system.
Step 3: Install hose fittings and valve to redirect water as needed. Funnel overflow away from home foundation.
Step 4: Test system flow during rainstorms. Make adjustments to ensure smooth water flow to holding tanks.
DIY diverters give flexibility to direct rainwater where it's needed most. Just be sure to check fittings periodically and clear any debris clogging the system. Consider adding a mesh screen to filter out leaves and sediment before it enters the diverter.
Installing a DIY Downspout Diverter System
With basic DIY skills, setting up a residential downspout diverter system for rainwater harvesting is straightforward. Key steps include:
Choose Downspout Location
Pick a downspout that drains a large roof area and allows room to place rain barrels underneath. Avoid downspouts draining leaf-filled areas, as this can clog your filtration system. Consider divergence percentage - some downspout diverters split off 25%, 50%, 75% or 100% of the water flow.
Install Diverter Valve
Mount the manual or electronic rain diverter valve onto the downspout according to included instructions. Ensure the valve mechanism properly seals when closed and make any necessary brackets or supports are secure. Arrange the diverted water flow to align with your barrel inlet.
Set Up Barrels & Overflow Drainage
Place food-grade plastic or wooden rain barrels on stable, level surfaces near the downspout output. Make sure barrels cannot tip over when filled with water. Configure overflow drainage piping directed away from your home's foundation. Empty space permits capturing more rainfall.
Integrate Optional Filtration
If included with your DIY downspout diverter kit, install the water filtration system inline along the downspout above barrels as directed. Filtration removes debris, sediments and contaminants from harvested rain before it reaches storage. Maintenance keeps the system working optimally.
Start Harvesting Rain!
Once all components are properly installed, your downspout diverter system will start re-directing rain from the downspout into the storage tanks. Collected rainwater can now be used for irrigation, cleaning, pets or other sustainable uses around the home. Enjoy your rainwater harvesting setup with proper maintenance.
Maintenance Best Practices for Your Downspout Diverter
Like any system reliant on weather, maintaining certain best practices will keep a downspout diverter functioning optimally over the long-term:
Clean Gutters Regularly
Keeping gutters clear of leaves, sticks, and other debris is crucial for allowing rainwater to freely flow into downspouts all year long. Clogged gutters can prevent water from reaching your downspout diverter, reducing potential rainwater harvesting.
Ideally, gutters should be cleaned:
- In the spring after trees have dropped flowers and early leaves
- In the fall when trees shed their leaves
- After major storms
Using gutter guards or screens can also help reduce debris buildup between cleanings.
Inspect & Replace Filter Mediums
If your rainwater harvesting system utilizes any filtering like screens or sediment cartridges, be sure to periodically check them and replace any clogged filter media. Filters prevent leaves and grit from entering storage tanks, helping maintain clean rainwater.
Replace filter cartridges at least annually or immediately if you notice a reduction in water flow. Consider installing screens along the gutter as a first line of defense.
Check & Repair Leaks
At least once per year, thoroughly inspect the downspout diverter mechanism itself along with any connected piping, storage barrels, or cisterns. Check valve seals and watch for dripping. Catch and repair any leaks immediately to maximize rainwater savings.
Left unaddressed, small drips can waste surprising amounts of water over months. Don't ignore puddles or damp spots around your system's hardware. Re-caulk or replace worn washers, fittings, and seals promptly.
Clean Storage Tanks
Over time, dust, leaves, algae, and microbes can accumulate inside rain barrels or cisterns. Periodically empty out storage tanks, scrub away any grime with brushes, rinse thoroughly, and refill. Cleaning minimizes contamination and optimizes the quality of collected rainwater.
To help slow algae growth and reduce tank cleaning frequency, paint the exterior of translucent plastic barrels or use dark storage materials like wood or metal when possible. Consider adding mosquito screens too for an extra layer of filtration.
Following these simple downspout diverter maintenance tips will help keep your DIY or commercial system functioning smoothly for years of reliable rainwater harvesting. Consistent inspection and upkeep is well worth the minor effort.
Alternative Rainwater Collection Ideas
Beyond downspout diverters flowing into rain barrels, consider these other rainwater harvesting methods:
Underground Cisterns
Bury large water tanks to discretely collect up to thousands of gallons of rain runoff. Underground cisterns are a great option for harvesting a lot of rainwater without taking up above-ground space. Look for tanks made of durable materials like concrete, plastic, or fiberglass that won't corrode over time when buried. Be sure to calculate the cistern size based on expected rainfall and water needs. Installing an underground cistern requires excavating a hole, setting the tank in gravel, attaching inlet/outlet pipes, and refilling the hole. Consider positioning it downhill to utilize gravity flow. Maintain your underground cistern by periodically pumping out sediment.
Pumps & Irrigation System Integration
Utilize pumps, valves, and drip lines to automatically direct rainwater into garden irrigation systems. You can set up a rainwater collection system to feed water via a pump into existing irrigation lines in your yard. Install a diverter valve to switch between municipal and rainwater sources. Use drip irrigation components for efficient watering. This automated approach takes the manual work out of watering gardens with harvested rain. Check valves and backflow preventers are critical for keeping contaminants out of the water supply.
Exploring Rain Diverter Solutions
Delve into various rain diverter designs that can be customized for different household and landscaping needs. Besides basic downspout diverters, consider self-emptying first flush diverters that filter out debris before it enters your rain barrel. Or install underground pipes to divert rain from downspouts and drain tile to distant storage tanks. Large properties can implement rain diverters spanning longer distances. Customize your system with various gutter attachments, elbows, and valves to split and redirect flow. Determining drainage areas and calculating potential rainwater supply will help properly size your customized rain diverter setup.
The Importance of Water Independence
Water is the most fundamental resource for survival. By harvesting rainwater with a downspout diverter, preppers can secure a reliable, sustainable water supply independent of centralized infrastructure. This helps build resiliency and self-reliance in case of emergency.
A basic DIY downspout diverter system enables rainwater collection with minimal investment. The diverter attaches to existing downspouts and redirects rain straight from a home's roof. The water flows into rain barrels for storage. Later, the rain can be used to water a survival garden or other critical needs.
Having this off-grid water source buffers against potential disruptions from disasters, power outages, contaminated supplies, or any event that disrupts traditional water delivery. Stored rainwater ensures water availability even if the tap runs dry during a crisis.
In a world filled with uncertainty, implementing a downspout diverter to enable rainwater harvesting represents a prudent, essential step for any prepper focused on independence. We all hope an emergency never happens, but being DIY downspout diverter prepared with your own robust water supply brings invaluable peace of mind.
