How do I fix standing water in my yard?

Start with the simplest fixes: extend downspouts 4-6+ feet from the foundation ($5-$15 each), and regrade soil to slope away from the house (6 inches of drop in 10 feet). For persistent pooling: install a French drain ($15-$40/linear ft professional, $3-$8 DIY) to intercept and redirect water underground, or a dry well ($200-$2,000) to collect and absorb water. For large flat yards: a swale (shallow grass-lined channel) directs water to a discharge point. Best diagnostic: observe your yard during heavy rain to see where water comes from and where it pools. How much does yard drainage cost?

How much does yard drainage cost?

Quick fixes: downspout extensions $5-$15 each, minor regrading $50-$200. Moderate projects: French drain (50-100 ft) $750-$4,000 professional, dry well $500-$2,000, catch basin $200-$800. Major projects: full yard regrading $1,000-$5,000+, complete drainage system $3,000-$15,000+, foundation waterproofing $5,000-$15,000+. Many drainage problems can be solved for under $500 with downspout extensions and minor regrading. The investment is worth it: water damage to foundations costs $10,000-$50,000+ to repair. What causes poor yard drainage?

What causes poor yard drainage?

Common causes: compacted clay soil (doesn't absorb water), poor grading (flat or sloping toward the house), high water table, clogged or short downspouts dumping water near the foundation, neighbor's runoff flowing onto your property, underground springs, and excessive paved/compacted surfaces reducing ground absorption. To diagnose: observe your yard during heavy rain, note where water enters, pools, and exits. Solutions range from simple (extend downspouts, regrade) to comprehensive (French drain system, dry well, swale). Will a French drain fix my drainage problem?

Will a French drain fix my drainage problem?

In most cases, yes. A French drain intercepts groundwater and surface water and redirects it underground to a discharge point (daylight outlet, dry well, or storm drain). Best for: soggy areas, water flowing toward the foundation, and intercepting runoff from uphill. Cost: $15-$40/linear ft professional, $3-$8/linear ft DIY. A French drain alone may not be enough if: grading is poor (fix grading first), the water table is very high (may need a sump pump system), or the soil is extremely impervious clay (may need additional solutions). Often the most effective approach combines regrading + downspout extensions + a French drain.

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Outdoor Living

Landscape Drainage Guide: Solutions, Cost & How to Fix a Wet Yard

Lumberama Editorial Team, Landscaping & Drainage Specialists Jan 12, 2026 10 min read

Common Drainage Problems

Standing water after rain: Water pools in low spots and doesn't drain within 24-48 hours. Causes: compacted soil (especially clay), poor grading (flat or negative slope), high water table, or blocked drainage paths. Consequences: kills grass, creates mosquito breeding habitat, can damage foundations.

Water pooling against the foundation: The most serious drainage problem. Water against the foundation causes: basement leaks, foundation cracks, mold, and structural damage. Usually caused by: negative grading (soil slopes toward the house instead of away), short or missing downspout extensions, flower bed edging that traps water against the foundation, or hardscape (patios, driveways) that direct water toward the house.

Soggy or muddy areas: Areas that stay wet long after rain stops. Usually caused by: poor soil drainage (heavy clay), underground springs or seepage, compacted soil from foot traffic or vehicles, or runoff from uphill neighbors.

Erosion: Water washing away soil, creating channels or ruts. Usually caused by: concentrated water flow (downspouts, slope runoff), lack of ground cover or vegetation, steep slopes, or poor water management from uphill areas.

Downspout problems: Downspouts dumping water too close to the foundation (should extend 4-6+ feet away). Disconnected or missing downspout extensions. Underground downspout drains that are clogged or collapsed.

Solutions

Regrading (fixing the slope): The simplest and most fundamental fix. The ground should slope AWAY from the house at a rate of 6 inches of drop in the first 10 feet (1/2 inch per foot). Add topsoil to build up grade around the foundation. Remove soil from low spots or redirect drainage paths. Cost: DIY $50-$200 (topsoil). Professional: $500-$3,000 (depends on scope). Best for: water pooling against the foundation, flat yards with poor drainage.

Downspout extensions: Extend downspouts at least 4-6 feet from the foundation (10+ feet is better). Options: above-ground extensions (cheap, easy, $5-$15 each), underground drain pipe (connected to a pop-up emitter or dry well). Underground extension cost: $200-$500 per downspout (professional).

French drain: Gravel-filled trench with perforated pipe that collects and redirects water underground. Best for: intercepting water flow, protecting foundations, draining soggy areas. Cost: $15-$40/linear ft professional. DIY: $3-$8/linear ft.

Dry well: Underground gravel-filled pit or perforated tank that collects water and allows it to percolate slowly into the surrounding soil. Receives water from French drains, downspout extensions, or surface drains. Size: typically 3-4 feet diameter, 3-4 feet deep. Cost: $200-$500 DIY. $500-$2,000 professional. Best for: disposing of collected water when there's no downhill outlet.

Swale: A shallow, grass-lined channel that directs water flow across the landscape. Like a natural drainage ditch, but landscaped to be attractive. Typically 12-24 inches deep with gently sloped sides. Cost: $500-$3,000 professional (depends on length). DIY: $50-$200 (labor intensive). Best for: redirecting surface water across flat or gently sloped yards.

Channel drain (trench drain): A long, narrow drain with a grate set into a concrete or paved surface. Collects surface water along its length and channels it to a discharge point. Used in: driveways, along garage doors, patio edges, and walkways. Cost: $30-$100/linear ft installed.

Catch basin: A box-like drain set in the ground with a grate on top. Collects surface water at a specific point and directs it to an underground pipe. Best for: low spots where water pools. Cost: $200-$800 each (installed with connecting pipe).

Rain garden: A shallow planted depression designed to capture and absorb runoff. Planted with deep-rooted native plants that tolerate both wet and dry conditions. Absorbs 30-40% more water than a conventional lawn. Beautiful landscaping feature that solves a drainage problem. Cost: $500-$3,000 (depends on size). Best for: areas with moderate drainage issues that would benefit from landscaping improvement.

Cost

Quick fixes (DIY): Downspout extensions: $5-$15 each. Regrading with topsoil: $50-$200. Pop-up drain emitter: $10-$30 each.

Moderate projects: French drain (50-100 ft): DIY $150-$800, professional $750-$4,000. Dry well: DIY $200-$500, professional $500-$2,000. Swale: DIY $50-$200, professional $500-$3,000. Channel drain (20-40 ft): $600-$4,000 installed. Catch basin with pipe: $200-$800 each installed. Rain garden: $500-$3,000.

Major projects: Full yard regrading: $1,000-$5,000+. Foundation waterproofing (exterior): $5,000-$15,000+. Interior French drain + sump pump: $3,000-$10,000+. Complete landscape drainage system: $3,000-$15,000+ (depends on scope).

What affects cost: Soil type (clay is harder to dig and drains poorly). Yard size and scope of the problem. Access (equipment access, obstacles). Depth of drainage system. Discharge method (connecting to storm drain vs daylight outlet). Local labor rates and permit requirements.

DIY vs Professional

Good DIY projects: Downspout extensions (easy, cheap, high impact). Minor regrading (adding topsoil near the foundation). Simple French drain (straight run in an accessible area). Pop-up drain emitters. Rain garden (if you enjoy landscaping).

Hire a professional for: Major regrading (requires heavy equipment). Deep or long French drains. Foundation drainage systems. Channel drains in concrete or pavers. Complex multi-component drainage systems. Any drainage work that connects to the municipal storm drain (permits required).

Before starting any project: Call 811 (or your local utility locate service) to mark underground utilities. This is free and legally required before digging. Identify the discharge point: where will the water go? Downhill daylight outlet, dry well, storm drain, or swale? Check local codes and HOA rules (some municipalities regulate stormwater management). Observe your yard during rain: note where water enters, where it pools, and where it exits. Take photos and videos during a heavy rain — this is the best diagnostic tool.

Prevention

Maintain your gutters: Clean gutters 2-4 times per year (or install gutter guards). Ensure downspouts extend 4-6+ feet from the foundation. Inspect and repair any leaking or clogged gutters promptly.

Maintain grading: Check the grade around your foundation annually. Soil settles over time — add topsoil as needed to maintain the 6-inch slope in 10 feet. Don't add mulch or flower bed edging that traps water against the foundation.

Aerate your lawn: Compacted soil prevents water absorption. Core aerate once or twice a year (fall is best). Aeration allows water to infiltrate rather than pool on the surface.

Manage vegetation: Healthy, deep-rooted grass and plants absorb more water. Trees and large shrubs with extensive root systems help draw water from the soil. Native plants adapted to your region's rainfall patterns require less intervention. Avoid paving or compacting large areas (reduces the ground's ability to absorb water).

Address problems early: Small drainage problems become expensive structural problems over time. Water pooling against a foundation for years can cause $10,000-$50,000+ in damage. A $500 French drain or $50 downspout extension now can prevent $15,000 in foundation repair later.