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Galveston County, TX Landscaping Rules: Rainwater Harvesting (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Legal statewide
Yes; encouraged in Texas
County permit
None for home systems
HOA ban
Void under Property Code 202.007
Sales tax
Exempt (Tax Code 151.355)
HOA may regulate
Size, color, and location only

Summary

Rainwater harvesting is legal statewide and encouraged in Texas. Galveston County sets no permit for home rain barrels, and Texas Property Code 202.007 bars homeowners associations from prohibiting a rain barrel or rainwater harvesting system, though an HOA may regulate size, color, and location.

City-specific rules exist: League City has its own rainwater harvesting rules that differ from Galveston County's county-level regulations. If you live in League City, check the city-specific page instead.

A property owners' association may not include or enforce a provision in a dedicatory instrument that prohibits or restricts a property owner from... installing rain barrels or a rainwater harvesting system.

View official code

Full Breakdown

Texas actively promotes rainwater harvesting, and Galveston County imposes no county permit or ban on residential systems. State law protects installations: Property Code 202.007(a) prohibits an HOA from enforcing any covenant that bars a property owner from installing rain barrels or a rainwater harvesting system, and any such provision is void. An HOA may still set reasonable rules on size, type, and location if they do not prevent an economical installation. Equipment is also exempt from state sales tax under Tax Code 151.355. Large systems tied into a public water supply must follow Health & Safety Code Ch. 341 backflow rules.

Violations & Fines

There is no county penalty for harvesting rainwater. An HOA that enforces a flat ban acts on a void provision. Improper cross-connections to city water can be cited by the utility under state plumbing rules.

Frequently Asked Questions

Can my HOA ban rain barrels in Galveston County?
No. Texas Property Code 202.007 makes any covenant prohibiting a rain barrel or rainwater harvesting system void, though the HOA may set reasonable size, type, and location rules.
Do I need a county permit to collect rainwater?
No. Galveston County requires no permit for residential rainwater harvesting. Only large systems connected to public water must meet state backflow-prevention rules.

Sources & Official References

Other rules in Galveston County

Noise Ordinances: Quiet HoursSome RestrictionsWeed OrdinancesLight RestrictionsNative PlantsFew RestrictionsCompostingFew RestrictionsNoise Ordinances: Amplified Music & Outdoor SoundSignificant RestrictionsNoise Ordinances: Decibel LimitsLight RestrictionsNoise Ordinances: Vehicle NoiseLight RestrictionsParking Rules: Abandoned VehiclesLight RestrictionsAnimal Ordinances: Pet LimitsLight Restrictions

All Galveston County rules

Texas rules heatmap·Compare Galveston County to another location·View the Texas landscaping rules overview

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Rainwater Harvesting in Cities Across Galveston County

League City, TX