Grading & Drainage: Cedar Park vs Round Rock
How do grading & drainage rules compare between Cedar Park, TX and Round Rock, TX?
Cedar Park, TX
Williamson County
Fill or grading requires a Site Fill/Grading Permit from the Engineering Department; all drainage design must comply with the City of Austin Drainage Criteria Manual as adopted by Cedar Park.
View full Cedar Park rules →Round Rock, TX
Williamson County
No data available yet for Round Rock.
Key Facts Comparison
| Fact | Cedar Park | Round Rock |
|---|---|---|
| Permit required (fill/grading) | Yes — Site Fill/Grading Permit | - |
| Design manual | City of Austin Drainage Criteria Manual | - |
| Master Plan adopted | March 28, 2019 | - |
| Waterway obstruction | Prohibited without approved site plan | - |
Highlighted rows indicate differences between cities.
Cedar Park FAQ
Can I redirect runoff onto my neighbor's lot?
No. Drainage improvements must comply with the adopted Austin Drainage Criteria Manual, and altering flow to harm adjacent property violates Art. 12.16 and creates civil liability under Texas common law.
Can I install a culvert in a creek on my property?
Only with an approved site plan. Article 12.16 prohibits placement of any obstruction in a waterway except as authorized.
Round Rock FAQ
No FAQs available.
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