Environmental Rules in Mcallen, TX (2026)
5 verified environmental rules for Mcallen, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Mcallen requires stormwater management for new development and significant property modifications. Runoff must be controlled on-site through retention, detention, or infiltration systems.
Mcallen Stormwater Management Rules
Some RestrictionsErosion Control
Mcallen requires erosion and sediment control measures during all land-disturbing activities. Silt fences, erosion blankets, and stabilized construction entrances are standard requirements.
Mcallen Erosion Control Requirements
Some RestrictionsCoastal Development
Mcallen regulates development in coastal zones through setback requirements, habitat protections, and public access mandates. State coastal commission approval may be required for projects near the shoreline.
Mcallen Coastal Development Rules
Heavy RestrictionsFlood Zones
Mcallen enforces FEMA flood zone development standards. Properties in Special Flood Hazard Areas face elevation requirements, flood insurance mandates, and construction restrictions.
Mcallen Flood Zone Regulations
Heavy RestrictionsGrading & Drainage
Mcallen requires grading permits for significant earth-moving work. Drainage must not redirect water onto neighboring properties. Proper grading prevents erosion and flooding.
Mcallen Grading & Drainage Rules
Some RestrictionsTex. Local Government Code Sec. 232.003 (County Subdivision Requirements - Drainage)
Sec. 232.003. SUBDIVISION REQUIREMENTS. By an order adopted and entered in the minutes of the commissioners court, and after a notice is published in a newspaper of general circulation in the county, the commissioners court may:(1) require a right-of-way on a street or road that functions as a main artery in a subdivision, of a width of not less than 50 feet or more than 100 feet;(2) requir...
Looking for Hidalgo County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mcallen city rules.
Environmental Rules in Hidalgo County →