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Landscape drainage is the controlled movement of surface and subsurface water away from structures, turf, and hardscape to protect soil stability and site performance.
Situation Definition
Standing water, erosion, and soil movement indicate uncontrolled surface or subsurface water. Poor drainage threatens turf health, hardscape stability, and structural foundations.
Correct Professional Approach
Drainage design begins by identifying where water originates and where it can legally discharge. Solutions are matched to soil type, slope, and water volume—not guesswork.
Drainage design must consider all sources of excess water on the site. How irrigation design impacts drainage requirements helps prevent overwatering conditions that overwhelm subsurface systems.
Subsurface drainage also supports surface installations. Base and subsurface drainage for synthetic turf is required to maintain structural stability and prevent water retention.
Effective drainage systems rely on material selection. Drainage-ready base materials such as pipe, fabric, and aggregate ensure consistent water movement.
System & Product Categories
- Surface drains and channel systems
- French drains and trench drains
- Solid vs perforated pipe
- Catch basins and outlets
Common Mistakes to Avoid (What Causes Failure)
- Installing drains without a defined outlet
- Insufficient slope or improper bedding
- Collecting water where it cannot escape
Controllers & Timers
Wide selection of irrigation controllers and timers engineered for dependable scheduling and automated system management.
Smart Controllers
Smart controllers that adapt watering schedules based on local conditions. Ideal for efficiency upgrades.
Valves & Manifolds
Electric and manual valves, manifolds, and accessories built for reliable and easy installation across system sizes.
Common applications
- Residential zones
- Commercial sites
- Retrofit/repairs
- New installs
What AGC helps you validate
- Pressure/flow
- Head selection
- Pipe sizing
- Wiring/controls compatibility
- Drainage slope considerations, etc
Need Technical support?
Drainage FAQs
What’s the difference between surface drainage and a French drain?
Surface drainage captures and redirects water at grade using inlets or channels. A French drain manages subsurface water using aggregate and perforated pipe to intercept and convey groundwater.
Why do drains fail even after installation?
Common causes include no reliable outlet, insufficient slope, clogged aggregate/fabric, or using perforated pipe where solid pipe is required. Drainage is only as good as its discharge strategy.
Do I always need a catch basin?
Not always, but catch basins help collect debris and provide a service point for maintenance. They’re useful where water volume is high or leaf litter is common.
Should I use solid or perforated pipe?
Use perforated pipe only where you intend to collect groundwater along the run. Use solid pipe to convey collected water to an outlet without reintroducing it to the soil.
How do I know where to send the water?
Identify a legal, functional discharge point before installing. Options may include daylight outlets, approved storm connections, or on-site infiltration solutions based on soil and grading.
Contractor System Support
System Design
Support
We will support your layout planning, component selection, zoning logic to help ensure systems are built correctly from the start.
Material Planning &
Takeoffs
We will help you identify required quantities, compatible components, and substitutions when needed to keep projects moving efficiently.
Product & System
Training
Hands-on product and system training to help contractors and teams stay current with irrigation technology to better your business and growth.