Environmental Rules in Texarkana, TX (2026)
4 verified environmental rules for Texarkana, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Texarkana requires a stormwater permit before any land-disturbing activity, and blocks permits for sites disturbing 5,000 square feet or more without an approved erosion and sediment control plan.
Texarkana Stormwater Permit Required
Some RestrictionsSec. 125-63(g)(1)(a)
Unless specifically exempted in writing, a stormwater permit must be obtained from the director prior to commencement of any construction, development, excavating, grading, regrading, landfilling, berming, paving, diking, clearing and grubbing or any land disturbing activities made to any property within the city.
Erosion Control
Texarkana requires a city-approved erosion and sediment control plan before any land disturbance of 5,000 square feet or more, plus a full stormwater permit and SWP3 for sites of one acre or larger.
Texarkana Erosion & Sediment Control Plan
Some RestrictionsSec. 125-63(g)(1)b.
In addition, no stormwater permit will be issued for land disturbing activity that would require the uncovering or disturbance of 5,000 square feet or more of land without the approval of an erosion and sediment control plan by the director.
Flood Zones
Texarkana requires a floodplain development permit for any work in special flood hazard areas, and new or substantially improved homes must have their lowest floor built at or above the base flood elevation.
Texarkana Floodplain Development & Elevation Rules
Some RestrictionsSec. 110-92(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. 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 110-65(a)(1) is ...
Flood Elevation Requirements
Texarkana requires new construction and substantial improvements of residential structures to raise the lowest floor to or above the base flood elevation, with nonresidential buildings elevated or floodproofed a foot higher.
Texarkana Base Flood Elevation Rule
Some RestrictionsSec. 110-92(1)
New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), elevated to or above the base flood elevation.