Environmental Rules in Meridian, ID (2026)
4 verified environmental rules for Meridian, Idaho, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Every new development in Meridian must install an adequate storm drainage system built to the city's adopted standards, and subdivisions must integrate vegetated stormwater swales or green facilities into required landscaping.
Meridian Stormwater Drainage and Integration Rules
Some RestrictionsMeridian City Code § 11-3B-11
A. Purpose. The regulations of this section are intended to improve water quality and provide a natural, effective form of flood and water pollution control through the integration of vegetated, well designed stormwater filtration swales and other green stormwater facilities into required landscape areas, where topography and hydrologic features allow. B. Applicability. The standards for stormw...
Erosion Control
Every new development in Meridian must include an adequate storm drainage system built to the city's adopted standards and specifications, with design and construction following city-adopted Best Management Practices.
Meridian storm drainage required for developments
Some RestrictionsMeridian City Code § 11-3A-18
An adequate storm drainage system shall be required in all developments in accord with the city's adopted standards, specifications and ordinances. Design and construction shall follow Best Management Practice as adopted by the city.
Flood Zones
Meridian requires a floodplain development permit and elevation two feet above base flood elevation for any construction in its Floodplain Overlay District.
Meridian Floodplain Overlay District Rules
Significant RestrictionsMeridian City Code § 10-6-2; § 10-6-5
The Flood protection elevation (FPE) for the City of Meridian shall be two (2) feet above base flood elevation. ... Development is prohibited in a mapped floodway as shown on the effective FIRM unless ... a "no-rise" certification is provided by a qualified state of Idaho licensed professional engineer.
Flood Elevation Requirements
In Meridian's mapped floodplain, new construction and substantial improvements must elevate the lowest floor at least two feet above the base flood elevation, the city's required flood protection elevation.
Meridian Requires 2-Foot Flood Freeboard
Some RestrictionsMeridian City Code § 10-6-5
For all residential construction and new nonresidential construction the lowest floor elevation of any structure, including basements, or mobile/manufactured homes, shall be elevated to the flood protection elevation of no less than two (2) feet above the base flood elevation. (2) For all residential construction and new nonresidential construction, any crawlspace or other unfinished or flood...
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County ordinances apply to unincorporated areas and may supplement Meridian city rules.
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