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When the Power Goes Out, the Water Often Follows. What 12 Million Texans Learned the Hard Way

Water plants and pumps run on electricity. Here is what happens to your tap in a long outage, why stored water only goes so far, and the do-it-yourself backup more families are looking into.

By the Steady Home Guide team · November 2026 · 5 min read

In February 2021, a deep freeze knocked out power across Texas. Within days, a second crisis followed. Treatment plants lost power, pipes froze and burst, and pressure in the water lines collapsed.

At the peak, more than 12 million people were told to boil their water before drinking it, according to state figures reported by NPR. A week after the storm began, more than 8.7 million were still under boil-water notices.

12M+Texans under boil-water notices at the 2021 peak
180,000people in Jackson, Miss. with little or no safe tap water in 2022
1 gallonper person per day: the official minimum to store

It wasn't a one-off. In the summer of 2022, failing pumps and a flood left about 180,000 people in and around Jackson, Mississippi, with little or no safe tap water. The city had been under a boil-water notice for more than a month.

We think of water as a utility that's always there. In reality, it depends on the same power grid as everything else.

Storing water works, until you do the math

Ready.gov recommends at least one gallon per person per day. For a family of four, two weeks of water is 56 gallons. That is more than 460 pounds, about 18 cases of bottled water stacked in a closet, and it needs rotating every 6 to 12 months.

Most families keep a few cases and hope for the best. That covers a weekend. It doesn't cover a week.

Skip ahead: see the backup water option →

Quick check: is your water plan ready for a long outage?

Do you have at least 1 gallon per person per day for 2 weeks?
If the tap stopped, could you get more safe water without leaving home?
Do you know how to make questionable water safe to drink?
Is your stored water dated and rotated?

The idea: pull drinking water out of the air

Air always holds some water vapor. An atmospheric water generator works like a dehumidifier: it cools the air until the moisture condenses, then collects and filters it. On humid days, even a small unit can collect water you can use, without a well, a creek or a delivery truck.

The catch has always been price. Ready-made home units often cost hundreds to thousands of dollars, and they still need electricity to run.

A do-it-yourself version

That is the idea behind Water Freedom System, a step-by-step guide to building a small atmospheric water generator yourself with parts from a hardware store or Amazon. The guide was reported to cost under $40 when we checked (prices change). The author walks through how it works in a free video presentation.

✅ Good fit if you…

live somewhere humid for much of the year, like a hands-on project, and want a second source of water at home on top of what you store.

⚠️ Not for you if…

you live in a dry climate (output will be low), want a ready-made machine, or expect it to replace your water line. It's a backup, not a utility.

So there are no surprises

See how the do-it-yourself water unit works

Free video presentation · Watch on your phone or computer

Watch the free video →

You'll be taken to the seller's website. We may earn a commission if you buy, at no extra cost to you.

Do these 5 things this week, whatever you decide

  1. Store at least 3 days of water: 1 gallon per person per day, plus extra for pets.
  2. Keep it in a cool, dark place away from chemicals, and write the date on every container.
  3. Find your home's main water shut-off valve so you can close it fast if a pipe bursts.
  4. Keep a bottle of plain, unscented household bleach and read CDC's instructions on using it to make water safe.
  5. If a freeze is coming, fill the bathtub and a few large pots before the storm, for flushing and washing.

Want a backup source of water at home?

Show me the water-from-air guide →

Free to watch · Opens the seller's website

Sources: NPR, Feb 17, 2021; NPR, Feb 22, 2021; Yahoo News, Aug 30, 2022; Ready.gov, Build a Kit; CDC, How to Make Water Safe in an Emergency. This site is independent and is not affiliated with Ready.gov, CDC or any government agency.

What if the tap stops?
See the backup water option.

Watch free →