Here's the simplest way to think about it: you need a storage tank when your water usage rate is higher than your well's production rate. That's more common in the Hill Country than people expect, because plenty of good wells out here produce water slowly.
The math, with a real example
Say your well produces 5 gallons per minute. That's a perfectly fine well. But your largest sprinkler zone needs 17 gallons per minute. The well alone simply can't run that zone, and you'll see it as pressure that collapses whenever the irrigation kicks on.
A storage tank fixes this. Your well fills the tank steadily, around the clock, building up a large reserve. Then, during peak use, you draw from that reserve at a much higher rate than the well could ever deliver on its own. Fill slowly, build a supply, use what you need.
Water trouble now, or planning ahead? Tell us what your well is doing and we will give you a straight answer and a free quote, often the same day.
Three reasons homeowners add storage
- An emergency reserve. If your pump ever fails, the stored water keeps you supplied while repairs are made.
- Better water quality. A spray bar in the tank can reduce iron and let sulfur escape, which means less of that rotten-egg smell and fewer rust stains.
- A longer-lasting system. A tank reduces unnecessary pump cycling, which extends the life of your whole well system.
How to know for sure
It comes down to two numbers: how much water your well produces, and how much your property demands at peak. We can measure both and recommend the right size. Learn more on our water storage page, or get in touch and we'll help you figure it out.