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What to Do When Water Starts Pooling in Your Backyard

Published on

September 3, 2025

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Introduction

A little standing water might seem like no big deal. But when your backyard stays soggy for days or puddles form every time it rains, it’s often a sign of bigger drainage problems. Left unchecked, it can lead to foundation damage, ruined landscaping, and mosquito breeding grounds you don’t want to deal with.

If you live in St. Thomas, Southwold, Dutton, Malahide or anywhere in Elgin County and you’re seeing water pool where it shouldn't, here’s what could be causing it and how excavation services can help.

1. Poor Grading Is the Most Common Culprit

Your property should slope away from your home. When it doesn’t, water collects instead of flowing out. This is often caused by settled soil, incorrect landscaping, or construction that changed the yard’s shape. A simple grading adjustment can make a major difference and keep water moving where it belongs.

2. Clay Soils Hold Water Longer

Much of the soil in our region contains clay, which drains slowly and holds moisture. That’s why a light rain can lead to soggy lawns that take days to dry. Excavation services can help by reshaping the land and replacing some of that heavy soil with better-draining material to allow water to move naturally.

3. French Drains and Swales Are Proven Fixes

When grading alone isn’t enough, we install drainage systems like French drains or shallow swales. These systems collect water and redirect it to safe drainage points. Done properly, they blend into your yard and work year-round to keep water away from your home and walkways.

4. Pooling Water Can Damage More Than Just Grass

When water pools near your foundation, it seeps into cracks and weakens the base of your home. It also promotes mold, mildew, and erosion. If you’ve had recurring water issues near your patio, shed, or driveway, fixing the drainage may be the best investment you make for your property’s long-term health.

Final Thought

Puddles are more than a nuisance — they’re a signal. Excavation and drainage solutions fix the problem at its source and keep your property protected, dry, and usable.

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Your Questions Answered

We try to keep things simple and clear. Here's what most people ask.

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Whether you’re digging for a new foundation, installing drainage, or prepping a site for your dream build, PMD Excavation gets it done clean, safe, and right the first time across St. Thomas, London, and Southwestern Ontario.

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