Environmental Rules in Conroe, TX (2026)
4 verified environmental rules for Conroe, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Conroe requires a city stormwater permit and an engineer-prepared stormwater quality plan before any construction disturbing one acre or more can begin. Illicit discharges into the storm drain system are separately banned citywide.
Conroe Construction Stormwater Permit Ordinance
Significant RestrictionsConroe Code of Ordinances § 26-198 (Construction storm water management)
A storm water permit shall be obtained prior to the start of any construction activity at a site by application to the director by the owner and/or operator of the construction site at which construction occurs or is proposed... Application for a storm water permit shall be submitted to the director, or their representative prior to beginning construction activities of any type, including clear...
Erosion Control
Conroe requires grading and drainage permits for construction projects through the Engineering Department. Stormwater must not be redirected onto neighboring properties. Floodplain development requires additional permits.
Conroe Grading & Drainage Ordinance
Light RestrictionsTex. Local Government Code Sec. 232.003 (Subdivision Requirements - Drainage Specifications)
Sec. 232.003. SUBDIVISION REQUIREMENTS. By an order adopted and entered in the minutes of the commissioners court, and after a notice is published in a newspaper of general circulation in the county, the commissioners court may:(1) require a right-of-way on a street or road that functions as a main artery in a subdivision, of a width of not less than 50 feet or more than 100 feet;(2) requir...
Flood Zones
Conroe requires a floodplain development permit before any construction, fill or alteration in a special flood hazard area, under Code of Ordinances section 78-38. The floodplain administrator reviews scaled plans showing structure elevation and location relative to the flood hazard area. Building without full compliance is a misdemeanor punishable by up to $500.00 per violation.
Conroe Floodplain Development Permit Required
Significant RestrictionsConroe Code of Ordinances §§ 78-38 (Establishment of Development Permit), 78-63 (Permit Procedures), 78-87 (Penalties for Noncompliance)
A floodplain development permit shall be required to ensure conformance with the provisions of this chapter. ... (1)Application for a floodplain development permit shall be presented to the floodplain administrator on forms furnished by him/her and may include, but not be limited to, plans in duplicate drawn to scale showing the location, dimensions, and elevation of proposed landscape alterati...
Flood Elevation Requirements
New residential construction and substantial improvements in Conroe's FEMA special flood hazard areas must elevate the lowest floor, including any basement, to at least one foot above the base flood elevation, certified by a licensed engineer, architect, or surveyor before the floodplain administrator issues a permit.
Conroe Floodplain: Lowest Floor One Foot Above BFE
Some RestrictionsConroe Code of Ordinances sec. 78-82(1) (Specific standards — Residential construction)
Residential construction—New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), elevated to at least one foot 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 article I...
Looking for Montgomery County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Conroe city rules.
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