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Why Does My Well Run Out of Water?

Water Quality | July 30, 2025

Why Does My Well Run Out of Water?

If your well isn’t keeping up, it might not be the well’s fault, it’s often about how water is collected and delivered. Let’s break it down.

What Is an Aquifer?

Groundwater comes from an underground layer called an aquifer. These aquifers can span several square miles and are made up of water filled spaces in layers of sand, gravel, fractured shale, or dense rock. As water seeps down through the ground, it fills the cracks and pores, forming this natural underground reservoir.

How a Well Works

A well pulls water from the aquifer up to your home. When a well isn’t being used, water inside settles at a level called the static level, this matches the level of the surrounding water table. When you start drawing water, the level in the well drops, and more water flows in to replace it. But if the pump keeps running and the well doesn’t have time to recover, the water level can fall too low.

Two Big Factors: Time and Yield

Time: The rate you pump water matters. Pump too fast or for too long, and the well won’t keep up.
Yield: This is how much water your well naturally produces. Some wells yield a lot of water quickly. Others, not so much.
When the water level inside the well drops far below the level outside, pressure pulls more water in faster. But when the levels are close, the refill rate slows down.

Low Yield Wells Can Still Do the Job

Even if your well only yields 1 gallon per minute or less, you can still meet a household’s needs—as long as you separate water collection from delivery.
Collection should match the well’s natural yield and keep the well working steadily.
Delivery should come from a storage tank, allowing you to meet peak demand (like showers, laundry, and dishes all at once).
With the right setup, a home on a low-yield well can enjoy strong, consistent water pressure, sometimes even better than a city water supply.

Let’s Talk Pumps

Pump performance depends on water levels. The deeper your pump has to draw, the harder it works and the less pressure it can give your home. That’s why the system design matters so much.

Need Help? Let’s Chat.

If you’re dealing with water shortages or pressure problems, give us a call. Our Pump Specialists at EDS Pumps & Water Treatment Ltd. are happy to help you find the right solution.

When it comes to water…Come to us!

604-534-1115


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