Environmental Rules in Sherman, TX (2026)
4 verified environmental rules for Sherman, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In the City of Sherman, Texas, only stormwater may enter the municipal separate storm sewer system (MS4). Article 13.05 makes it an offense to introduce any discharge not composed entirely of stormwater or any harmful quantity of any substance, lists affirmative defenses such as lawn watering and residential car washing, and backs enforcement with notices of violation, cost liens, and class C misdemeanor fines.
Stormwater Discharge Rules in Sherman, Texas
Some RestrictionsSherman Code of Ordinances § 13.05.005
(a) A person commits an offense if the person introduces or causes to be introduced into the MS4 any discharge that is not composed entirely of stormwater. (b) It is an affirmative defense to any enforcement action for a violation of subsection (a) that the discharge was composed entirely of one or more of the following categories of discharges: ... (6) A discharge or flow from lawn watering, o...
Erosion Control
In the City of Sherman, Texas, construction sites must meet the North Central Texas BMP Manual design criteria, stabilize soil within five days of clearing or inactivity, and install sediment controls before clearing begins. Sites disturbing greater than thirty acres must be phased. The design rules are in Sherman Code of Ordinances § 3.13.005.
Sherman, TX Construction Erosion and Sediment Control
Some RestrictionsSherman Code of Ordinances § 3.13.005
Grading, erosion control practices, sediment control practices, and waterway crossings shall meet the design criteria set forth in the most recent version of the North Central Texas Stormwater Quality Construction Site BMP Manual, and shall be adequate to prevent transportation of sediment from the site to the satisfaction of the city. ... Phasing shall be required on all sites disturbing great...
Flood Zones
In the City of Sherman, Texas, all proposed development within a special flood hazard area or floodplain needs a city floodplain development permit issued by the engineering department. The city engineer serves as floodplain administrator and reviews each application against listed flood-risk factors. The rule is Sherman Code of Ordinances § 3.12.043.
Sherman, TX Floodplain Development Permit Rules
Significant RestrictionsSherman Code of Ordinances § 3.12.043
A city floodplain development permit shall be required for all proposed development within a SFHA or floodplain to assure conformance with the provisions of this article. The floodplain development permit shall be issued by the engineering department. ... Application for a floodplain development permit shall be presented to the floodplain administrator on forms furnished by the city and may inc...
Flood Elevation Requirements
In the City of Sherman, Texas, new construction and substantial improvement of a residential structure in a special flood hazard area must have its lowest floor, including any basement, elevated to two feet above the base flood elevation. Nonresidential buildings meet the same two foot standard or are floodproofed. The rule is Sherman Code of Ordinances § 3.12.072.
Sherman, TX Base Flood Elevation Requirements
Some RestrictionsSherman Code of Ordinances § 3.12.072
In all areas of special flood hazards where base flood elevation data has been provided as set forth in section 3.12.007, section 3.12.042(8) or section 3.12.074(c), the following provisions are required: ... New construction and substantial improvement of any residential structure shall have the lowest floor (including basement) elevated to two (2) feet above the base flood elevation. A regist...