Environmental Rules in Texas (2026)

Texas Water Code Section 26.040 lets the TCEQ issue general permits for storm water discharges. Regulated small…

San Antonio bans dumping acids, oils, paint, automotive fluids, pesticides and other pollutants into the city's…

Abilene bans dumping anything but stormwater into its municipal storm drains, and empowers the City to inspect, fine…

Amarillo's Municipal Separate Storm Sewer System ordinance bans discharging any pollutant, including oily sheens…

Carrollton bans any discharge into the municipal storm sewer system (MS4) that is not composed entirely of stormwater…

Conroe requires a city stormwater permit and an engineer-prepared stormwater quality plan before any construction…

El Paso City Code § 15.20.080 bans discharging anything other than stormwater into the city's municipal separate storm…

Frisco bars any discharge into its storm sewer system that isn't composed entirely of stormwater under Section 34-331…

Houston bans discharging anything other than storm water into its municipal storm sewer system (MS4); construction and…

Leander bans discharging anything but stormwater or authorized non-stormwater flows into its municipal storm sewer…

Lubbock bans any non-stormwater discharge into its municipal separate storm sewer system (MS4) under City Code Section…

Chapter 54 of the Parker Code of Ordinances bans discharging anything into the city's storm drainage system that poses…

Pearland's General Code bars anyone from putting anything but storm water and specifically listed allowable flows into…

Plano's storm water code bans dumping anything but storm water into the municipal storm sewer system. Sec. 21-65 lists…

Shenandoah, Texas bars anyone from introducing anything other than storm water into its municipal separate storm sewer…

Sugar Land bans illicit discharges and illicit connections into its storm sewer system under the Stormwater Quality…

Travis County bans illicit discharges into its municipal storm sewer system and open waterways countywide, requiring…

Arlington enforces stormwater management regulations through its Stormwater Management Department and the city's Code…

Austin puts the cost of handling stormwater on the property owner. Anyone developing land must convey all stormwater…

Baytown bans dumping motor oil, wash water, sewage, sediment or other pollutants into its storm sewer system under City…

Bell County Subdivision Regulations § 307 sets the storm-frequency and ditch standards every new subdivision road must…

Unincorporated Brazoria County will not take responsibility for a subdivision's drainage beyond protecting its own…

Brownsville runs a TPDES-permitted municipal storm sewer system with a broad illicit discharge article, and requires…

Bryan bans non-stormwater discharges into its storm drain system and requires permits and pollution controls for…

Cameron County's Subdivision Rules and Regulations set numeric storm-return-period standards for every unincorporated…

Cedar Park requires developers to size stormwater systems for a fully developed, undetained drainage area and dedicate…

Celina prohibits dumping anything but rain into the city's storm drain system, with narrow exceptions for things like…

Converse bans dumping oil, chemicals, yard waste, and household hazardous waste into storm drains and creeks, and funds…

Corpus Christi requires a site-specific storm water quality management plan for any development of one acre or more…

Dallas bans discharging anything other than stormwater into its municipal storm drains, creeks, and other waters under…

In unincorporated Dallas County, filling, blocking, or letting a drainage easement clog with debris, sediment, or…

Denton bills a drainage charge against every parcel of real property in the city under the state Municipal Drainage…

Edinburg regulates stormwater discharges into its MS4 storm sewer system, requiring construction sites to file…

El Paso County requires every new subdivision in the unincorporated area to handle its own storm and flood water under…

In Farmersville, every storm water collection system must be designed by a licensed professional engineer and approved…

Fort Worth requires a CFRA Certificate of Compliance, or a full Stormwater Drainage Study for one-acre-plus projects…

Fulshear Ordinance 2025-1505 protects local waterways by regulating how residents drain pools and spas and prohibiting…

Garland bans discharging anything but stormwater into its municipal separate storm sewer system (MS4), covering…

Georgetown's Municipal Separate Storm Sewer System (MS4) ordinance makes property owners responsible for keeping…

Grand Prairie bans discharging anything but stormwater into its municipal storm sewer system. City Code § 13-605 lists…

New subdivisions in Harlingen must submit engineered drainage plans with hydrology and hydraulic calculations…

Unincorporated Harris County requires a Stormwater Quality (SWQ) Permit for new development and significant…

Irving requires new development and redevelopment to control post-construction stormwater runoff under Chapter 51…

New development in unincorporated Jefferson County cannot release stormwater onto neighboring land or county drainage…

Killeen makes it illegal to send anything but rain runoff into the city's storm drain system. Code section 32-24 bars…

Laredo bans discharging any pollutant into its MS4 storm sewer system or water bodies and separately charges every…

Lewisville bans dumping anything but stormwater into its storm drain system (the MS4) and requires construction sites…

Longview makes it a strict-liability offense to discharge any hazardous substance into a street, storm drain, or…

Lubbock County requires every subdivision plat outside the cities to include an engineer-sealed drainage plan sized for…

Midland bans dumping anything but stormwater into its municipal storm drain system, under a Stormwater Management Code…

Every lot in unincorporated Midland County has to be graded so runoff drains straight to a street or defined drainage…

Mission bans polluted discharges into its MS4 storm sewer system and requires construction sites disturbing an acre or…

New Braunfels runs a city drainage utility funded by a mandatory fee on every benefited property, under design…

Any subdivision plat filed in unincorporated Nueces County must include storm water drainage facilities engineered to…

Odessa bars dumping anything but stormwater into its municipal storm drain system, making it a criminal offense to…

Pharr bans dumping anything but rainwater into its storm drains and watercourses, enforcing federal and state…

Richardson has adopted the 1989 Storm Drainage Design Manual, prepared by Shimek, Jacobs and Finklea, as the city's…

Rockwall bans dumping anything but stormwater into the city's storm sewer system, with civil penalties up to $2,000 per…

Round Rock requires all new drainage systems to handle the 25-year storm in curbs and storm sewers, with the citywide…

Rowlett requires storm sewer inlets sized to keep 100-year design-storm flows under 1.5 inches over residential street…

San Angelo regulates stormwater and drainage under Code of Ordinances Article 12.05, covering any development or…

San Marcos bans illicit discharges into its storm sewer system and funds drainage work through a monthly stormwater…

Stormwater in Tarrant County is governed by TCEQ MS4 permit TXR040000 and the Construction General Permit TXR150000 for…

Every parcel in Taylor's drainage service area pays a monthly drainage utility fee based on impervious surface. One…

Taylor County caps post-development storm water runoff at pre-development levels and sets the design storms…

Temple prohibits discharging anything but stormwater into the city's storm drain system, with fines up to $2,000 per…

Texarkana requires a stormwater permit before any land-disturbing activity, and blocks permits for sites disturbing…

Tyler requires a stormwater management plan for every development. No building permit or subdivision construction plan…

Waco requires a stormwater pollution prevention plan (SWPPP) for any residential, commercial, or industrial development…

New commercial, multifamily, or 2+ acre residential development in Wichita Falls must control stormwater runoff to…

Allen operates under TCEQ MS4 Phase II permit (TXR040000). New development over 1 acre requires SWPPP, detention pond…

Bexar County stormwater is regulated under TCEQ MS4 permit TXR040000. Construction sites of 1 acre or more need an…

Grapevine operates an MS4 (Municipal Separate Storm Sewer System) under a TPDES permit from the Texas Commission on…

Haltom City operates a Phase II MS4 stormwater program under TCEQ permit. Development over 1 acre requires a stormwater…

Keller operates a regulated MS4 stormwater program under the TPDES permit issued by TCEQ. Illicit discharges to storm…

Mansfield operates a Phase II MS4 stormwater program under TPDES permit. Construction sites over 1 acre need SWPPP and…

McKinney operates under a TCEQ MS4 Phase II stormwater permit (TXR040000). Development over 1 acre must submit a…

Pasadena operates under an MS4 stormwater permit from TCEQ, requiring stormwater pollution prevention measures for all…

Universal City operates under a Texas MS4 stormwater permit through TCEQ, prohibiting illicit discharges to storm…

Construction over the Edwards Aquifer recharge zone in western Williamson County requires a TCEQ-approved water…

Any Texas construction that disturbs one acre or more must get TCEQ Construction General Permit (TXR150000) coverage…

Parker's stormwater chapter requires every construction-site operator to use best management practices controlling…

Pearland bans land-disturbing construction activity without a city permit and requires an approved erosion and sediment…

Shenandoah, Texas requires every construction site to use best management practices controlling sediment and soil…

Construction sites in Abilene that need a state TPDES stormwater permit must file a stormwater pollution prevention…

Austin City Code Title 25 and the Drainage Criteria Manual regulate all grading and drainage activities. A grading…

Bell County requires new subdivision roads and drainage ditches to be at least 70 percent grassed over before the…

Bexar County erosion control follows TCEQ TPDES Construction Permit TXR150000, county drainage rules, and Edwards…

Excavation and grading in Brownsville run under a model code adopted by reference in its 1975 edition, enforced by the…

Bryan requires a city development permit and active erosion and sediment controls, like silt fences, stabilized…

Any site development permit in unincorporated Cameron County requires an erosion control plan at minimum, and projects…

Every construction site in Carrollton, regardless of size, must use best management practices to control sediment and…

Cedar Park requires either a full site development permit or a rough grading permit from the Engineering Department…

Celina requires a city permit before any excavation, fill, or grading work, plus engineered drainage design for new…

Corpus Christi regulates grading and drainage through its Drainage Design Manual and Unified Development Code. Grading…

Every construction site in Dallas that disturbs soil has to install erosion and sediment control best management…

Denton requires a permit before any clearing, grading, grubbing, stockpiling, excavating, or other earthwork, with a…

Denton County and its cities require grading permits for land-disturbing activities and enforce drainage standards to…

Edinburg requires a stormwater pollution prevention plan before issuing a building or site development permit for any…

Farmersville requires every construction site's erosion and sedimentation controls to meet the city's design manual…

Flower Mound requires erosion and sediment control measures on all construction sites per Chapter 54 and the TPDES…

Every property owner in Frisco must keep soil, silt and topsoil from washing off their land onto neighboring property…

Fulshear requires land-disturbing sites in SU multifamily, SC, GC, DD, SO, and IN districts to use sediment and erosion…

Georgetown requires a Storm Water Pollution Prevention Plan (SWPPP) for any construction disturbing an acre or more…

Grand Prairie bars any construction-related stormwater discharge until the operator has a TPDES permit (when…

Grapevine requires grading and drainage to direct stormwater away from structures and not impose runoff onto adjacent…

Harlingen requires every new subdivision plat to include an engineered drainage plan with hydrology and hydraulic…

Construction sites in unincorporated Harris County need an SWQ Permit with a site plan showing erosion control…

Irving requires an earthwork permit before grading, filling, or excavating, and Section 41-62.6 bars placing fill…

Katy's minimum construction standards require storm sewers to contain a two-year storm without surcharging at minimum…

Killeen requires a site disturbance permit before disturbing an acre or more of land, or any smaller parcel that is…

League City requires erosion and sediment control throughout the development process. All development in the floodplain…

Leander requires a stormwater pollution prevention plan for construction sites disturbing an acre or more, and a…

Contractors working in a Lewisville public right-of-way must have erosion control measures, such as silt fencing, in…

Lubbock requires grading plans for subdivisions and any site work over 5,000 sf of disturbance. Residential lots must…

Lubbock County requires drainage channels in new subdivisions to be shaped, graded, lined or protected against scour…

Midland's Stormwater Management Code requires an erosion control plan drawing with any construction plans submitted for…

Developers platting land in unincorporated Midland County must submit an erosion and stormwater quality control plan as…

Construction sites in Mission must control erosion and sediment through a stormwater pollution prevention plan, silt…

New Braunfels requires every construction site to use best management practices controlling sediment and silt runoff…

New subdivisions in unincorporated Nueces County must divert erosive sheet flow to a stable outlet or detention…

Pasadena requires grading and drainage permits for development within city limits. The city proposed a major Street…

Anyone conducting construction or land-disturbing activity in Plano, disturbing 5,000 square feet or more of vegetative…

Richardson makes every property owner and every contractor personally responsible for stopping silt, earth and topsoil…

Rockwall requires a grading permit from the city engineer before any filling, grading, or excavation work begins on…

Round Rock requires an erosion and sedimentation control plan for any permitted construction, and a full Storm Water…

Any Rowlett property owner proposing new development must submit an erosion control plan covering excess siltation and…

San Angelo requires every construction site that drains to the storm sewer system to control erosion under Code of…

San Marcos requires every construction site to use best management practices controlling sediment, silt, and soil…

Sugar Land requires a land disturbance permit before any construction activity disturbs one acre or more, or a smaller…

Anyone building or repairing utility, water, sewer or telecom facilities in a Taylor right-of-way must install erosion…

Temple requires construction sites disturbing an acre or more to install erosion and sediment control BMPs before work…

Texarkana requires a city-approved erosion and sediment control plan before any land disturbance of 5,000 square feet…

Grading permits are required under Travis County Code Chapter 82 for any disturbance over 1 acre, cuts/fills over 4…

Tyler requires a clearing and grading permit from the city engineer before any earth change, excavating, grading…

Victoria requires construction operators disturbing one acre or more to file a stormwater pollution prevention plan and…

Waco requires anyone disturbing an acre or more, or a smaller site inside a larger development, to file a stormwater…

Wichita Falls requires a grading permit for most cutting or filling of land, with engineered drainage and terracing…

Allen requires grading permits for any lot alteration moving over 50 cubic yards of soil. Positive drainage away from…

Amarillo requires all construction sites to implement erosion and sediment controls to prevent soil and contaminants…

Cedar Hill requires engineered drainage plans for new development and prohibits altering lot grading in a way that…

College Station requires grading permits for significant earth-moving work. Drainage must not redirect water onto…

Grading and drainage work over 1 acre requires a Collin County or city engineering permit plus TCEQ CGP. Sites must…

Conroe requires grading and drainage permits for construction projects through the Engineering Department. Stormwater…

Converse requires grading permits for significant cuts and fills. Property owners cannot redirect stormwater onto…

TCEQ TPDES construction general permit TXR150000 requires erosion controls for sites disturbing 1+ acre. Dallas County…

DeSoto requires grading and drainage plan review for new construction, major additions, and significant site…

El Paso requires erosion and sediment control measures on all construction and land disturbance projects. The city's…

Euless requires silt fence, stabilized entrances, and inlet protection on construction sites with approved erosion and…

Fort Bend County requires lot grading and drainage plans for new subdivisions and many site developments, ensuring…

Fort Worth regulates grading and drainage through the Development Code and the Storm Water Management Design Manual. A…

Garland requires grading permits for land disturbance activities under the Development Code. All development must…

Texas counties cannot zone, so unincorporated Guadalupe County has no general grading ordinance. Placing fill or…

Haltom City requires erosion and sediment control BMPs on all construction sites with exposed soil. Silt fences, inlet…

Houston's Chapter 19 and Design Manual Chapter 9 impose strict grading and drainage requirements. Detention is required…

Humble regulates site grading and drainage to prevent flooding and erosion. Development must maintain natural drainage…

Keller Engineering Design Standards require positive drainage from structures and no diversion of runoff onto…

Laredo requires grading permits for excavations over 50 cubic yards or 3 feet depth. Drainage plans must show no…

Live Oak requires grading permits for significant earthwork and prohibits grading that redirects stormwater onto…

Mansfield requires erosion and sediment controls on all construction sites. BMPs include silt fence, inlet protection…

McKinney requires erosion and sediment control BMPs on all construction sites disturbing 1 acre or more. Silt fences…

Montgomery County requires erosion and sediment controls for land-disturbing activities over 1 acre under TCEQ…

NRH requires grading permits for significant earthwork and mandates positive drainage away from all structures. Runoff…

Odessa requires an NPDES or TPDES stormwater discharge permit for construction sites, plus a copy of the notice of…

In Pharr, construction or grading work that disturbs an acre or more must comply with a TPDES or NPDES stormwater…

Rosenberg requires lot grading plans, drainage area maps, and on-site and off-site drainage system plans for…

San Antonio's UDC requires property developers to manage all stormwater flowing through their property, including…

Stafford requires drainage compliance and grading review for new development under Chapter 26 and the subdivision…

Erosion and sediment control in Tarrant County is required under TCEQ TXR150000 for sites 1 acre or larger, plus MS4…

Tomball requires grading and drainage plans for development projects to ensure proper site drainage and prevent water…

Universal City requires grading permits for projects moving over 50 cubic yards of soil and mandates drainage plans…

On the Edwards Aquifer recharge zone, clearing and excavation are regulated activities under 30 TAC Chapter 213 and…

Baytown requires erosion and sediment controls on construction sites to prevent soil runoff into storm drains and…

La Porte requires that grading and drainage changes on residential properties do not adversely affect neighboring…

Texas prohibits damaging, destroying, or removing a sand dune or its vegetation seaward of a dune protection line or…

Brownsville sits about twenty miles inland of the Gulf and holds no public beach. The Texas Coastal Management Program…

Texas Water Code Section 16.3145 orders the governing body of every Texas city and county to adopt the…

Austin participates in the National Flood Insurance Program and maintains strict floodplain regulations under City Code…

Conroe requires a floodplain development permit before any construction, fill or alteration in a special flood hazard…

Any development within a Corpus Christi special flood hazard area needs a floodplain development permit under Sec…

Anyone who wants to fill, alter, or build on land in a Dallas FP-designated floodplain needs a fill permit or…

Denton bars any construction, alteration, fill, or grading in a mapped floodway or floodplain until the city engineer…

Any unincorporated El Paso County subdivision that falls inside a HUD-defined Flood Hazard Area must be built to the…

Georgetown Chapter 15.44 governs all development within special flood hazard areas mapped on the FEMA-adopted Flood…

Irving requires a development permit before any construction, grading, or land change occurs in an area of special…

A county development permit is required before any construction, fill or substantial improvement begins in Jefferson…

Any development inside a Lubbock floodplain needs a Floodplain Development Permit from the Floodplain Administrator…

New Braunfels requires a floodplain development permit for any construction in FEMA special flood hazard areas, with…

Parker's subdivision code lets the City Council prohibit development on any portion of a lot lying within the…

Any new construction, substantial improvement, or land alteration within Plano's areas of special flood hazard needs a…

Rowlett requires a floodplain development permit before any construction, land alteration, or use change inside its…

Within the Edwards Aquifer Recharge Zone, San Antonio Code Sec. 34-912 bans nearly all construction in designated…

Any construction, fill, or alteration in a Sugar Land special flood hazard area needs a floodplain development permit…

Any development in a Taylor flood hazard area needs a floodplain development permit before work starts, under Sec…

Abilene requires a Floodway Development Permit from the Floodplain Administrator before any building construction or…

Allen participates in NFIP and has floodplains along Rowlett Creek and East Fork Trinity River tributaries. FEMA Zone…

Arlington regulates development in FEMA-designated flood hazard areas through its Floodplain Administration program…

Any development, redevelopment, or substantial improvement inside a Baytown special or moderate flood hazard area needs…

Any subdivision plat in unincorporated Bell County must show the 100-year flood plain from the current FEMA Flood…

Brazoria County has no zoning power, but Section 5.01.A of its Subdivision Regulations requires every development in…

Any construction in Bryan's mapped floodplain needs a floodplain development permit, and new homes must sit at least…

In unincorporated Cameron County, new construction or substantial improvement in a flood hazard area must raise its…

Any development within Cedar Park's FEMA-mapped special flood hazard areas, covering both the Williamson and Travis…

Celina requires a floodplain development permit before any construction, fill, or land-use change in a special flood…

Any construction, alteration, or land-use change inside Converse's FEMA-mapped special flood hazard areas needs a…

Any new construction, alteration, or land-use change inside Dallas County's mapped Special Flood Hazard Area needs a…

Any structure or land use inside an El Paso special flood hazard area needs a floodplain development permit before work…

Any construction, fill, grading or land-use change within Farmersville's mapped special flood hazard areas needs a…

Fort Worth requires a floodplain development permit before any building, fill, or use change in a FEMA-mapped special…

Every new building or substantial improvement in a Frisco special flood hazard area must be anchored against flotation…

Garland requires a floodplain development permit from the Director of Engineering, the City's floodplain administrator…

Grand Prairie requires a Floodplain Development Permit from the Stormwater Department before any structure, fill, or…

Guadalupe County participates in the National Flood Insurance Program and enforces floodplain development permits in…

Harlingen requires a floodplain development permit and 18 inches of freeboard above base flood elevation for new…

New homes in Harris County's 100-year floodplain must sit above the base flood elevation before a development permit…

Houston requires a floodplain development permit for any construction, fill, or land-disturbing activity inside a…

No one may grade, fill, build, or change the use of land in a Killeen special flood hazard area without first getting a…

Laredo regulates floodplain development through a standalone set of Regulations for Floodplain Management adopted by…

Leander requires a floodplain development permit for any structure or land-use change within its FEMA-mapped special…

Lewisville requires a floodplain development permit for any construction, fill, or land alteration within the city's…

Unincorporated Lubbock County requires a Floodplain Development Permit before any construction, alteration, or land use…

Mansfield participates in the NFIP and enforces a floodplain ordinance. Construction in Special Flood Hazard Areas…

Midland requires a floodplain development permit before any construction, fill, grading, or land change in an area of…

Any construction on land in a Midland County flood hazard zone needs a floodplain determination from the County…

Unincorporated Nueces County requires a Development Permit before any structure, fill, or land-use change occurs within…

Pearland requires a floodplain development permit before any construction, fill, or land alteration in a special flood…

Richardson requires new construction and substantial improvements to residential structures in a special flood hazard…

Any construction, grading, or land alteration within Rockwall's mapped special flood hazard areas needs a floodplain…

San Angelo participates in the National Flood Insurance Program and enforces floodplain development standards under…

San Marcos requires a floodplain development permit for any construction or development in a mapped special flood…

Before filling, grading, building or changing the use of any land inside Shenandoah's mapped special flood hazard…

Tarrant County participates in the NFIP. Development in Special Flood Hazard Areas in unincorporated land requires a…

Taylor County participates in the FEMA National Flood Insurance Program and requires a floodplain development permit…

Temple requires a floodplain development permit before any construction, fill, or land alteration in a special flood…

Texarkana requires a floodplain development permit for any work in special flood hazard areas, and new or substantially…

Building in Tyler's FEMA Special Flood Hazard Areas requires a Floodplain Development Permit under UDC Division G. The…

Victoria requires a Floodplain Development Permit for any construction in FEMA-mapped flood hazard areas, with new or…

Collin County participates in NFIP with floodplain management ordinances. Lake Lavon and Lake Ray Hubbard drive FEMA…

McKinney participates in the NFIP (CID 480134). Properties along the East Fork Trinity River, Wilson Creek, and Honey…

Mission and Hidalgo County participate in FEMA's NFIP. Rio Grande basin creates flood risk. Development in…

Travis County enforces floodplain development through Chapter 82 and participates in NFIP. The 2018 Llano River / Lake…

Williamson County participates in the National Flood Insurance Program and enforces floodplain development permits in…

Dallas regulates the shorelines of White Rock and Bachman Lakes under City Code Sec. 32-82, a local addition to the…

A noncommercial dock or pier on ER or SR zoned waterfront property in Baytown needs a Special Use Permit before it can…

Travis County requires County Executive approval before any access route or appurtenance to a boat dock, pier, wharf…

Building, modifying, or extending a dock, bulkhead, or shoreline access on Lake Austin, Lady Bird Lake, or Lake Walter…

Building a dock, pier, mooring, or piling in city waters or Lake Corpus Christi Reservoir below elevation 94 feet…

Anyone building, enlarging or moving a dock, pier or boathouse on Fort Worth-controlled water, chiefly Lake Worth…

Houston requires a construction permit from Public Works before building, altering, or repairing any pier or boat dock…

Waco requires every marina or dock built on Lake Brazos to be constructed in accordance with all federal, state, and…

Every structure in Austin's mapped wildland-urban interface must clear a fuel-modification buffer set by its Proximity…

New Braunfels bans overnight truck idling citywide, capping engine idle time at ten consecutive minutes for a…

Austin City Code Sec. 6-1-51 prohibits a motor vehicle's primary propulsion engine from idling more than five…

Celina caps unattended engine idling at five minutes April through October and layers on sleeper-berth idling buffers…

Converse caps heavy diesel truck idling at five consecutive minutes, with signage and fine requirements for truck stops.

Fulshear caps engine idling at one hour under its noise ordinance, exempting only emergency equipment and vehicles at…

Garland caps bus idling at transportation depots to thirty minutes under GDC § 2.52(A)(10)(c), a noise and air-quality…

From April 1 through October 31 each year, Georgetown Section 10.04.080 bans idling a vehicle's primary propulsion…

Grand Prairie bars idling a motor vehicle's primary engine for more than five consecutive minutes while parked under…

Irving caps engine idling for trucks over 10,000 pounds at 15 minutes when parked within 300 feet of a home, unless the…

Plano makes it an offense to let a motor vehicle's primary propulsion engine idle for more than five consecutive…

Rockwall requires drivers to shut off the engine, lock the ignition, and remove the key before leaving any vehicle…

San Marcos bans idling a motor vehicle's primary propulsion engine for more than five consecutive minutes when the…

Shenandoah, Texas, in Montgomery County, bans letting a motor vehicle engine idle for more than one hour under the…

Texas has no statewide vehicle idling rule, but Dallas County is part of the Dallas-Fort Worth ozone nonattainment area…

Dallas County sits within the Dallas-Fort Worth ozone nonattainment area, where TCEQ Rule 30 TAC 114.512 limits…

El Paso participates in the Texas Commission on Environmental Quality voluntary idling reduction program, particularly…

Fort Worth sits inside the Dallas-Fort Worth ozone nonattainment area, so TCEQ Rule 30 TAC 114.512 caps heavy-duty…

Heavy-duty diesel vehicles over 14,000 pounds idling more than five minutes are restricted in the Dallas-Fort Worth…

TCEQ Rule 30 Texas Administrative Code 114.512 limits commercial vehicles over 14,000 pounds to five minutes of idling…

Houston falls within the Houston-Galveston-Brazoria ozone nonattainment area, where TCEQ Rule 30 TAC 114.512 limits…

Bexar County opted into TCEQ Rule 30 TAC 114.512, prohibiting commercial vehicles over 14,000 pounds GVWR from idling…

Heavy-duty diesel vehicles operating in Travis County are subject to the TCEQ five-minute idling rule under 30 TAC…

Diesel trucks serving Port of Corpus Christi terminals face idling time limits under TCEQ regional rules and city…

Lubbock has no broad municipal idling ban, but the Texas Commission on Environmental Quality applies idling…

Austin City Council adopted the Climate Equity Plan in 2021, committing the city to net-zero community greenhouse gas…

Dallas has no climate-emergency declaration ordinance. Instead, City Code Sec. 2-120 creates a 15-member Environmental…

Austin Energy Code, an amended version of the 2021 IECC adopted under City Code Title 25, requires high-reflectance and…

Dallas City Code Chapter 53 amends the International Energy Conservation Code to require cool roofing on most low-slope…

San Antonio adopted the IECC with local amendments through SAMC Chapter 10, requiring high-reflectance and…

Fort Worth's adopted International Energy Conservation Code, with local amendments, requires reflective roofing or…

Houston Energy Code amendments to Chapter 28 require low-slope commercial roofs to meet minimum solar reflectance and…

Texas has no statewide cool roof mandate, and Dallas County applies cool roof specifications only to its own facilities…

Harris County has no cool-roof or reflective-roof mandate because Texas counties lack adopted building-code authority…

Travis County has no cool-roof mandate for private properties because Texas preempts local energy code amendments on…

Lots in Brazoria County's designated floodplain can't get a development permit below the FEMA Base Flood Elevation…

Building in a Dallas floodplain requires a city-council-approved fill permit, and once approved the building pad must…

In DeSoto's FEMA special flood hazard areas, new and substantially improved homes must set the lowest floor, including…

In Houston's 0.2% annual chance (500-year) floodplain, new homes and substantial improvements must sit at the minimum…

New residential construction in Irving's special flood hazard areas must have the lowest floor, including any basement…

New residential construction in New Braunfels floodplain must elevate its lowest floor, including the basement, at…

In Pflugerville's FEMA special flood hazard areas, new construction and substantial improvements must elevate the…

In Plano's FEMA special flood hazard areas, new and substantially improved homes must have their lowest floor…

Rockwall requires new and substantially improved buildings in flood hazard areas to sit 2 feet above the base flood…

Rowlett requires new and substantially improved residential structures in mapped flood hazard areas to elevate the…

In Abilene's FEMA special flood hazard areas, new and substantially improved homes must set the lowest floor at least…

In Allen's FEMA special flood hazard areas, new and substantially improved homes must have their lowest floor elevated…

New and substantially improved residential structures in Amarillo's FEMA Special Flood Hazard Areas must have the…

Austin's Building Code requires the lowest floor of any new or substantially improved building in a flood hazard area…

New or substantially improved homes in a Baytown special flood hazard area must have their lowest floor built to the…

Any lot in a Bell County subdivision with a mapped flood hazard area must set its minimum first-floor elevation at…

Bryan requires new and substantially improved residential structures in mapped flood zones to elevate the lowest floor…

New homes and substantial improvements in a Cameron County flood hazard area must sit at least 12 inches above the base…

New and substantially improved residential structures in Cedar Park's mapped flood hazard areas must have their lowest…

New homes and businesses in Celina's mapped floodplain must be built at least 2 feet above the base flood elevation…

New residential construction and substantial improvements in Conroe's FEMA special flood hazard areas must elevate the…

Converse requires new and substantially improved residential structures to elevate the lowest floor to or above the…

New homes and substantially improved buildings in Corpus Christi's FEMA flood zones must have their lowest floor and…

New and substantially improved buildings in Dallas County's mapped floodplain must sit at least two feet above the base…

Denton requires new homes in the floodway fringe to sit at or above the city's minimum building elevation, a set…

New homes in Edinburg's floodplain must have their lowest finished floor, including any basement, elevated at least six…

El Paso requires new and substantially improved buildings in a mapped flood hazard area to sit at least one foot above…

El Paso County requires one foot of freeboard above the 100-year flood level for any lot in FEMA's 'A' flood zone…

New homes and substantial improvements built in Farmersville's mapped flood hazard areas must have their lowest floor…

New and substantially improved structures in Fort Bend County's special flood hazard areas must sit at least 2 feet…

Fort Worth requires new and substantially improved homes to raise their lowest floor at least two feet above the base…

In Frisco's FEMA special flood hazard areas, every new or substantially improved home must have its lowest floor…

New homes and substantial improvements in Fulshear's special flood hazard areas must have the lowest floor built at or…

Garland requires two feet of freeboard above the base flood elevation for new and substantially improved residential…

Georgetown requires new and substantially improved residential structures in special flood hazard areas to elevate the…

Any new home or business built in a mapped Grand Prairie floodplain must set its lowest floor at least one foot above…

In a Harlingen special flood hazard area, § 105-57(1)(a) requires the lowest floor and every mechanical, electrical and…

New construction in Harris County's floodplain must be elevated well above base flood, not just to it, under the…

In unincorporated Jefferson County, new and substantially improved residential structures in mapped special flood…

New construction and substantial improvements in Katy's FEMA special flood hazard area must set the finished floor at…

In Killeen's FEMA special flood hazard areas, new and substantially improved residential structures must have their…

New and substantially improved buildings in Laredo's mapped flood hazard areas must sit higher than the federal…

New and substantially improved homes in Leander's mapped flood hazard areas must have their lowest floor built at least…

Any new home or substantial improvement in a Lewisville special flood hazard area must have its lowest floor built two…

Lubbock's floodplain code requires new and substantially improved homes in special flood hazard areas to raise their…

Unincorporated Lubbock County requires new and substantially improved buildings in Special Flood Hazard Areas to…

In McAllen's FEMA special flood hazard areas, new residential construction and substantial improvements must have the…

In McKinney's mapped floodplain, new homes and substantially improved homes must have their lowest floor at least two…

Any new construction, fill, manufactured home, or substantial improvement in Mesquite's design-flood floodplain…

Midland requires the lowest floor of any new or substantially improved residential structure in a special flood hazard…

Owners building on lots inside Midland County's Special Flood Hazard Area or the Additional Regulatory Flood Study…

In Mission's FEMA-mapped special flood hazard areas, new and substantially improved homes must have their lowest floor…

In unincorporated Nueces County, new and substantially improved residential structures in a mapped flood hazard area…

In Odessa's FEMA-mapped special flood hazard areas, new construction and substantial improvements must elevate the…

New and substantially improved homes in Pearland's FEMA flood hazard area must have their lowest floor, including all…

In Pharr's FEMA special flood hazard areas, new and substantially improved homes must have their lowest floor…

In Richardson's FEMA special flood hazard areas, any new or substantially improved residential structure must have its…

Round Rock requires any structure built on a lot within or adjacent to the 100-year floodplain to have its finished…

In mapped flood hazard areas, San Angelo requires new and substantially improved homes to elevate their lowest floor at…

San Antonio's Unified Development Code requires new construction and substantially improved structures in the…

San Marcos requires new construction and substantial improvements in AE, AH, and AO flood zones to elevate the lowest…

Where FEMA has published a base flood elevation for the site, Shenandoah requires every new or substantially improved…

New construction and substantial improvements in Sugar Land's special flood hazard areas must have the lowest floor at…

New homes in Taylor's flood hazard areas must sit at least two feet above the base flood elevation, a full two feet of…

Taylor County requires final subdivision plats in flood hazard areas to certify that finished floor elevations sit at…

Temple requires new construction in special flood hazard areas to sit at least one foot above the base flood elevation…

Texarkana requires new construction and substantial improvements of residential structures to raise the lowest floor to…

New construction and substantial improvements in unincorporated Travis County's special flood hazard areas must sit at…

Victoria requires new and substantially improved structures in the mapped floodplain to sit at least one foot above the…

In Waco's FEMA special flood hazard areas, new and substantially improved homes must have their lowest floor, including…

In any FEMA special flood hazard area, new construction and substantial improvements must have the lowest floor…