10 county-level rules, plus city-specific rules for 9 cities in Dallas County, Texas.
Verified from official government sources
Dallas County maintains a Storm Water Management Plan (SWMP) under TPDES General Permit TXR040000 for unincorporated urbanized areas. County Public Works manages MS4 compliance. Illicit discharge reporting through county or regional hotline.
TCEQ TPDES construction general permit TXR150000 requires erosion controls for sites disturbing 1+ acre. Dallas County SWMP covers construction site runoff control. Storm Water Pollution Prevention Plan (SW3P) required for qualifying projects.
TCEQ Construction General Permit TXR150000 (2023 CGP)
Stormwater General Permit for Construction Activities. Stormwater permit requirements for the discharge of stormwater associated with construction activities that disturb one (1) or more acres of soil. TCEQ issued the renewal of the CGP with an effective date of March 5, 2023. Construction activities are regulated under the CGP if they discharge stormwater to any surface water in the state and ...
Dallas County is inland — no Gulf coast, no Texas Open Beaches Act jurisdiction, and no GLO coastal-construction rules apply. The relevant inland program is the Dallas County Floodplain Development Permit, required for any work in a FEMA Special Flood Hazard Area in unincorporated areas. Most unincorporated land is in the Trinity River floodplain; floodway encroachment is prohibited absent a FEMA CLOMR.
Dallas County Floodplain Management Regulations (Court Order 2019-0322) require a Floodplain Development Permit for any development in mapped flood zones. FEMA Flood Insurance Rate Maps delineate flood hazard areas. NFIP participation required.
No separate county grading ordinance. Dallas County Floodplain regulations cover grading in flood zones. County maintains drainage ditches in road ROW. TCEQ construction stormwater permit required for 1+ acre sites.
Dallas County sits within the Dallas-Fort Worth ozone nonattainment area, where TCEQ Rule 30 TAC 114.512 limits commercial heavy-duty vehicle idling to five minutes. Locally adopted by Dallas County for fleets and contractors.
Tex. Health & Safety Code Sec. 382.0191
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 liquef...
Texas Health and Safety Code Section 382.0622 preempts cities and counties from banning gas-powered lawn equipment. Dallas County has no countywide gas leaf blower ban and cannot adopt one without state authorization.
Tex. Health & Safety Code Sec. 382.002 (Policy and Purpose - Texas Clean Air Act)
Sec. 382.002. POLICY AND PURPOSE. (a) The policy of this state and the purpose of this chapter are to safeguard the state's air resources from pollution by controlling or abating air pollution and emissions of air contaminants, consistent with the protection of public health, general welfare, and physical property, including the esthetic enjoyment of air resources by the public and the maint...
Dallas County Commissioners Court has not adopted a countywide climate emergency resolution or comprehensive climate action plan. Member cities including Dallas have their own plans, but the county tier focuses on resilience and operational sustainability.
Dallas County Purchasing Department uses sustainable procurement practices, including ENERGY STAR specifications, recycled-content paper, and fuel-efficient fleet purchases. There is no binding green procurement ordinance, but administrative policies guide buyers toward eco-preferred goods.
Texas has no statewide cool roof mandate, and Dallas County applies cool roof specifications only to its own facilities through capital project standards. Private buildings follow the Texas adopted International Energy Conservation Code without specific cool roof requirements.
Tex. Health & Safety Code Sec. 388.003 (Adoption of Building Energy Efficiency Performance Standards)
Sec. 388.003. ADOPTION OF BUILDING ENERGY EFFICIENCY PERFORMANCE STANDARDS. (a) To achieve energy conservation in single-family residential construction, the energy efficiency chapter of the International Residential Code, as it existed on May 1, 2001, is adopted as the energy code in this state for single-family residential construction. On September 1, 2016, the energy efficiency chapter ...
9 cities in Dallas County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
17 verified rules • Boat Dock Permits, Climate Emergency Mobilization
5 verified rules • Coastal Development, Erosion Control
5 verified rules • Coastal Development, Erosion Control
4 verified rules • Erosion Control, Flood Zones
4 verified rules • Erosion Control, Flood Zones
4 verified rules • Erosion Control, Flood Zones
4 verified rules • Erosion Control, Flood Zones
5 verified rules • Coastal Development, Erosion Control
5 verified rules • Coastal Development, Erosion Control
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Dallas County Ordinance Hub →