Grading & Drainage: Lewisville vs Little Elm
How do grading & drainage rules compare between Lewisville, TX and Little Elm, TX?
Lewisville and Little Elm have similar restriction levels.
Lewisville, TX
Denton County
Lewisville requires grading permits for activities that change drainage patterns. Post-development runoff cannot exceed pre-development rates.
View full Lewisville rules βLittle Elm, TX
Denton County
Site grading must direct drainage away from foundations with 6 inches of fall in 10 feet. Altering drainage that floods neighbors is prohibited.
View full Little Elm rules βKey Facts Comparison
| Fact | Lewisville | Little Elm |
|---|---|---|
| Grading Permit | Required for grade changes | - |
| Foundation Slope | 6 inches in 10 feet minimum | 6 inches of fall in first 10 feet |
| Runoff Standard | Post-development cannot exceed pre-development | - |
| Drainage Easements | Must remain clear and unobstructed | Must remain clear of obstructions |
| Engineering Dept | (972) 219-3590 | - |
| Retaining Walls | - | Engineered plans required over 4 feet |
| Fill Material | - | Must be properly compacted and graded |
Highlighted rows indicate differences between cities.
Lewisville FAQ
Do I need a permit to regrade my yard in Lewisville?
A grading permit is required for land-disturbing activities that change existing drainage patterns. Minor landscaping that does not alter the overall drainage flow may not require a permit. Contact Engineering at (972) 219-3590 to determine if your project needs a permit.
Can my neighbor direct their drainage onto my property?
No. Property owners are prohibited from altering grading or drainage to direct stormwater onto adjacent properties. If a neighbor's grading is causing flooding on your property, report it to the Engineering Department.
Who maintains the drainage ditch behind my house?
It depends on whether the drainage facility is in a public easement maintained by the city or a private lot-to-lot drainage feature. Contact Engineering at (972) 219-3590 for a determination.
Little Elm FAQ
Can I build a fence across a drainage easement in Little Elm?
Fences and structures in drainage easements may obstruct flow and are generally prohibited or restricted. The town may require removal of obstructions at the property owner expense to maintain proper drainage.
What if my neighbor grading is causing water to flow onto my property?
Altering drainage patterns that cause flooding on neighboring properties is a code violation. Contact Little Elm Code Enforcement to report the issue. You may also have civil remedies under Texas property law.
Compare other topics
See how Lewisville and Little Elm compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool