Quick answers to the most common questions we get about water sourcing, storage, and purification.
Water Sourcing
Where should I start if I want an off-grid water source?
It depends on your property and climate. For most people, rainwater harvesting is the simplest scalable option, while a well offers the most reliable year-round supply. See our off-grid water systems overview to compare your options.
How much emergency water should I store?
A good rule of thumb is one gallon per person per day for at least two weeks. Our emergency water storage guide breaks down the exact quantities and the best containers.
Is rainwater safe to drink?
With proper collection, filtration, and treatment, yes. The key is a clean roof surface, first-flush diversion, and appropriate purification. See our rainwater harvesting guide for the full setup.
Purification & Filtration
What’s the difference between a filter and a purifier?
Filters remove sediment and larger contaminants; purifiers also kill or remove bacteria and viruses. For backcountry use, a purifier is safer for questionable sources. Our best emergency water filters and best portable water filters cover both.
How do I know if my well water is safe?
You test it — annually at minimum. Wells aren’t regulated by the EPA, so it’s on you to verify. See our well water testing guide and best water testing kits.
How do I read my water quality report?
Decode the contaminant table, understand MCLs, and know what to act on. Our how to read your water quality report guide walks you through it step by step.
Systems & Equipment
What’s the best whole-house water filter?
It depends on what’s in your water and how much you need to treat. Our best whole house water filters comparison ranks them by contaminant removal and flow rate.
How much does drilling a well cost?
Costs vary widely by depth, geology, and location. Our well drilling cost guide breaks down the real numbers and what drives them.
About HowToGetWater
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No. We may earn a commission at no cost to you, but it never changes our rankings. See our affiliate disclosure for the full commitment.
How do I report an error?
We take corrections seriously. Contact us and we’ll verify and fix it, typically within 2 business days.