Grading & Drainage: Flower Mound vs Little Elm
How do grading & drainage rules compare between Flower Mound, TX and Little Elm, TX?
Little Elm has fewer restrictions than Flower Mound.
Flower Mound, TX
Denton County
Flower Mound regulates grading and drainage under Chapter 54 (Stormwater Management and Drainage) and Chapter 98 (Zoning). All development must maintain pre-development drainage patterns and not increase stormwater runoff to adjacent properties. Grading permits are required for earth-moving projects that alter existing drainage, and the Cross Timbers Conservation Development District overlay imposes enhanced grading restrictions to protect natural terrain.
View full Flower Mound rules →Little 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 →Key Facts Comparison
| Fact | Flower Mound | Little Elm |
|---|---|---|
| Code | Ch. 54 / Ch. 98 Zoning | - |
| Foundation Slope | 6 inches over first 10 feet | 6 inches of fall in first 10 feet |
| Retaining Walls | Engineering required over 4 ft | Engineered plans required over 4 feet |
| CTCDD | Enhanced grading restrictions | - |
| Contact | Public Works (972) 874-6405 | - |
| Drainage Easements | - | Must remain clear of obstructions |
| Fill Material | - | Must be properly compacted and graded |
Highlighted rows indicate differences between cities.
Flower Mound FAQ
Do I need a permit to regrade my yard in Flower Mound?
A grading permit is required for earth-moving projects that alter existing drainage patterns, remove significant vegetation, or involve substantial cut and fill operations. Contact Public Works at (972) 874-6405 to determine if your project requires a permit.
Can I redirect stormwater runoff away from my property onto a neighbor's lot?
No. Flower Mound requires that development maintain pre-development drainage patterns. Altering grading to increase stormwater runoff onto neighboring properties violates Chapter 54 and may result in fines, required remediation, and civil liability.
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.
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