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🌍 Environmental Rules/Grading & Drainage

Fulshear vs Katy

How do grading & drainage rules compare between Fulshear, TX and Katy, TX?

Fulshear has fewer restrictions than Katy.

Fulshear, TX

Fort Bend County

Some Restrictions

Fulshear requires permits for grading, drainage, and site work under its Construction Standards chapter, with city engineering review for lot drainage and infrastructure.

View full Fulshear rules →

Katy, TX

Fort Bend County

Heavy Restrictions

Katy's minimum construction standards require storm sewers to contain a two-year storm without surcharging at minimum 0.1% gradient using Class III concrete pipe and follow Harris County PCPM hydrology standards.

View full Katy rules →

Key Facts Comparison

FactFulshearKaty
Code chapterChapter 8 Article II-
Building code2015 International Codes-
Plan submittalplans@FulshearTexas.Gov-
Permit authorityDevelopment Services-
Design storm-2-year, no surcharge
Min gradient-0.1 percent
Pipe class-Class III RCP
Channel standard-HCFCD PCPM 2019
Reviewer-City engineer

Highlighted rows indicate differences between cities.

Fulshear FAQ

Do I need a permit to regrade my yard in Fulshear?

Significant grading that changes drainage onto neighbors or the public right-of-way requires a permit. Contact Development Services at 281-346-8860 before any major site work.

Where do I submit grading and drainage plans?

Digital plans go to plans@FulshearTexas.Gov, and general permitting questions go to permits@FulshearTexas.Gov. City Hall is at 30603 FM 1093 W.

Katy FAQ

What design storm do storm sewers handle?

Storm sewers in Katy must contain a two-year storm event within the pipe without surcharging, per the city's minimum construction standards.

Which pipe materials are accepted?

Class III reinforced concrete pipe is the standard. Alternatives require approval from the city engineer along with calculations supporting the substitution.

Do open channels need detention design?

Yes. Open channels and detention ponds must follow Harris County Flood Control District PCPM (July 2019) hydrology and design methodology in Katy subdivisions.

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