Environmental Rules in Farmersville, TX (2026)
4 verified environmental rules for Farmersville, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In Farmersville, every storm water collection system must be designed by a licensed professional engineer and approved by the city engineer under Code of Ordinances § 65-49, and no one may alter a drainage ditch, channel or stream without the city engineer's written permission.
Farmersville Stormwater Drainage Rules
Some RestrictionsFarmersville Code of Ordinances § 65-49
(a)System design requirements. Drainage improvements shall accommodate runoff from the upstream drainage area in its anticipated maximum "build-out" condition, and shall be designed to prevent overloading the capacity of the downstream drainage system. The city may require the phasing of development, the use of control methods such as retention or detention, or the construction of off-site drai...
Erosion Control
Farmersville requires every construction site's erosion and sedimentation controls to meet the city's design manual, its stormwater management plan, city ordinance or EPA rules, whichever is strictest, under Code § 65-49(b), pointing builders to the NCTCOG's regional best-practices manual.
Farmersville Construction Erosion Control
Some RestrictionsFarmersville Code of Ordinances § 65-49(b)
(b)Erosion and sedimentation controls. All erosion and sedimentation controls shall conform to the design manual and standard construction details, stormwater management plan, city ordinance, or EPA requirements, whichever is most stringent. For erosion and sedimentation control, the city uses the latest edition of Storm Water Quality Best Management Practices for Construction Activities in Nor...
Flood Zones
Any construction, fill, grading or land-use change within Farmersville's mapped special flood hazard areas needs a floodplain development permit from the city's floodplain administrator before work begins. The rule tracks FEMA's 2009 Flood Insurance Study for Collin County, and building without a permit is a misdemeanor fined up to $2,000 per violation.
Farmersville Floodplain Development Permit
Some RestrictionsFarmersville Code of Ordinances §§ 26-26–26-27
A floodplain development permit shall be required to ensure conformance with the provisions of this article. ... No structure or land shall hereafter be located, altered, or have its use changed without full compliance with the terms of this article and other applicable regulations.
Flood Elevation Requirements
New homes and substantial improvements built in Farmersville's mapped flood hazard areas must have their lowest floor, including any basement, elevated at least two feet above the base flood elevation set on FEMA's flood insurance rate maps. A licensed engineer, architect or land surveyor must certify compliance to the city's floodplain administrator before approval.
Farmersville Base Flood Elevation Rule
Some RestrictionsFarmersville Code of Ordinances § 26-80
(1)Residential construction. New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), elevated to two feet above the base flood elevation. A registered professional engineer, architect, or land surveyor shall submit a certification to the floodplain administrator that the standard of this subsection as proposed in section 26-51(...
Looking for Collin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Farmersville city rules.
Environmental Rules in Collin County →