I have at least two weeks of bottled water on hand at any given time. I would store more, but I don’t have a lot of space. Fortunately, there is a stream within one hundred feet of my door so if I ever needed to, I could collect water there and run it through my Berkefeld Water Filter or my Katadyn Pocket Water Microfilter. However, most city dwellers don’t have a source of water nearby. And if it’s TEOTWAWKI, it might be too dangerous to go out and collect water. In this case, your best option would be to get a rain barrel and harvest rain water.
But harvesting rain water is not as simple as putting a bucket under your gutters. Many people believe rain water is pure and therefore safe to drink, but there are multiple pollutants in the air, not to mention all the contaminants on your roof such as dirt, bugs, bird feces, lead, and arsenic to name a few. Before harvesting rainwater, you should check to see what type of roof you have. If your roof has been treated to make it resistant to rot, if it has asphalt shingles or concrete tiles, if it is made from copper or galvanized metal, or if it is a flat tar roof you’ll want to be very cautious and make sure the water is completely and thoroughly filtered before using it. In fact, the only types of roofs I would feel safe using water from without filtering are steel or glazed tile roofs.
Because of these concerns, if you decide you want to collect rainwater from the roof, there are a few things you should remember:
- Let the rain wash your roof for five minutes before collecting rainwater. This will remove most of the contaminants.
- Make sure you run the water through a screen to capture all the large particles such as leaves and bugs.
- After this, run your water through a great water filtration system (like I said above, Berkefeld and Katadyn make some great products) and check out the Water category for information on cleaning water.
Your rain barrel doesn’t need to be anything fancy. The only thing I would suggest is that you get a black one or at least paint one black. This will block sunlight and minimize algae growth. If you can, keep your barrel somewhere it will be in the shade most of the day. An example of a good rain barrel is this Home Accents 50-Gallon collection barrel. However, there are many types and designs so you should find one that will work best for your house or apartment. Depending on your gutter system, you might need to get a rain diverter.
Also, remember that your rain barrel is going to be very heavy once it’s full, as much 500 pounds, so you’ll want to put it on a level, stable base made of gravel or concrete. And if you’re living in a SHTF scenario, it might be a good idea to hide your rain barrel from neighbors and passersby with plants, trees, or anything else that won’t look conspicuous. One final note: Due to unsanitary roofs, many governments are trying to make rain harvesting illegal. Before harvesting rain water, check the laws of your local and state government and make sure you are in compliance (in some states, you just need a permit). Good luck, and stay hydrated!Thanks for reading! Be sure to sign up for our newsletter to get our One Year Urban Survival Plan for FREE!
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