Environmental Rules in Frisco, TX (2026)
5 verified environmental rules for Frisco, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Frisco bars any discharge into its storm sewer system that isn't composed entirely of stormwater under Section 34-331, with a narrow list of exempt flows like potable water line flushing or dechlorinated pool water. Violators face civil penalties up to $5,000 per day for polluting the MS4 and criminal fines up to $2,000 per day.
Frisco Stormwater Discharge Prohibition Rules
Significant RestrictionsFrisco Code of Ordinances § 34-331; § 34-339(a)(3)
No person shall introduce or cause to be introduced into the municipal separate storm sewer system (MS4) any discharge that is not composed entirely of stormwater. ... No affirmative defense shall be available under subsection (b) of this section if the discharge or flow in question has been determined by the DES to be a source of a pollutant or pollutants to the waters of the United States or ...
Erosion Control
Every property owner in Frisco must keep soil, silt and topsoil from washing off their land onto neighboring property or city streets, drains and easements under Code of Ordinances § 34-107. Contractors must build in erosion controls, and the city can withhold plats, permits and certificates of occupancy until adequate measures are in place.
Frisco Erosion and Siltation Control Duty
Some RestrictionsFrisco Code of Ordinances § 34-107
It is the responsibility of each property owner within the municipal limits of the city to take appropriate measures to control the erosion and siltation of soil materials from the owner's property. The owner shall not allow water runoff to transport silt, earth, topsoil, etc., from the owner's property to others properties or on to city streets, drainage easements, drainage facilities or storm...
Flood Zones
Every new building or substantial improvement in a Frisco special flood hazard area must be anchored against flotation, built with flood-resistant materials, and have its utilities protected from floodwater intrusion. A floodplain development permit is required first, and encroachments into the mapped floodway are barred unless engineering studies show no rise in flood levels.
Frisco Floodplain Development Standards
Some RestrictionsFrisco Code of Ordinances § 42-91
In all areas of special flood hazards the following provisions are required for all new construction and substantial improvements: (1) All new construction or substantial improvements shall be designed (or modified) and adequately anchored to prevent flotation, collapse or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy; (2)...
Vehicle Idling Restrictions
Heavy-duty diesel vehicles over 14,000 pounds idling more than five minutes are restricted in the Dallas-Fort Worth ozone nonattainment area, which includes Collin and Denton counties covering Frisco.
TEXAS Idling Limits Apply Inside Frisco DFW Region
Light RestrictionsTexas Health and Safety Code Sec. 382.0191
IDLING OF MOTOR VEHICLE. (a) In this section, 'idling' means allowing an engine to run while the motor vehicle is not engaged in forward or reverse motion. (b) The commission may not prohibit or limit the idling of any motor vehicle with a gross vehicle weight rating greater than 8,500 pounds that is equipped with a 2008 or subsequent model year heavy-duty diesel engine or liquefied or compress...
Flood Elevation Requirements
In Frisco's FEMA special flood hazard areas, every new or substantially improved home must have its lowest floor, including any basement, elevated to or above the base flood elevation, with compliance certified by a licensed engineer, architect, or land surveyor.
Frisco Floodplain: Elevate Lowest Floor to Base Flood Elevation
Some RestrictionsFrisco Code of Ordinances § 42-92(1)
In all areas of special flood hazards where base flood elevation data has been provided as set forth in section 42-26, section 42-62(8), or section 42-93(c), the following provisions are required: (1) Residential construction. New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), elevated to or above the base flood elevation....
Looking for Collin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Frisco city rules.
Environmental Rules in Collin County →