McKinney, TX Landscaping Rules: Rainwater Harvesting (2026)
Key Facts
- Small Barrels
- No permit
- HOA Protection
- TX Property 202.007
- Tax Exempt
- Tax Code 151.355
- Indoor Connect
- Permit required
Summary
Rainwater harvesting encouraged in McKinney and protected by Texas Property Code Section 202.007 which bars HOAs from prohibiting rain barrels or cisterns. Sales tax exempt under Tax Code 151.355.
Sec. 202.007. CERTAIN RESTRICTIVE COVENANTS PROHIBITED. (a) A property owners' association may not include or enforce a provision in a dedicatory instrument that prohibits or restricts a property owner from: ... (2) installing rain barrels or a rainwater harvesting system; (3) implementing efficient irrigation systems, including underground drip or other drip systems; or (4) using drought-resistant landscaping or water-conserving natural turf. (b) A provision that violates Subsection (a) is void. ... (6) require a property owners' association to permit a rain barrel or rainwater harvesting system to be installed in or on property if: (A) the property is: (i) owned by the property owners' association ...
Full Breakdown
Residential rain barrels under 2,500 gallons require no permit. Larger cisterns or systems connected to indoor plumbing require permit and backflow preventer per Texas Health and Safety Code Chapter 341. Systems for potable use must be designed by a licensed professional and meet TCEQ rules in 30 TAC Chapter 290. McKinney offers periodic rain barrel programs through the Conservation Division.
Sources & Official References
Other rules in McKinney
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Rainwater Harvesting in Nearby Cities
How other cities in Collin County handle rainwater harvesting.