Environmental Rules in Evansville, IN (2026)
4 verified environmental rules for Evansville, Indiana, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Evansville requires a Notice of Intent letter and a city-approved construction plan before any project disturbing one acre or more of land can begin grading, under the City's construction and post-construction storm water runoff control chapter.
Evansville Construction Site Stormwater Rules
Some RestrictionsEvansville Municipal Code § 16.20.080
For any new construction activity that will result in land disturbance equal to or greater than one acre, the project site owner must submit to the department a complete NOI letter in accordance with this chapter and 327 IAC 15-5. (B) The NOI letter must be comprised of and otherwise comply with the following criteria: (1) Name, mailing address, and location of the project site for which ...
Erosion Control
Before disturbing under an acre of land in Evansville, property owners must install erosion and sediment control practices, with city inspections and escalating fines for sites that don't comply.
Evansville Erosion and Sediment Control Rule
Some RestrictionsEvansville Municipal Code § 16.15.050(A), (B)
No property owner shall begin, cause to begin, or continue any land-disturbing activity on less than one acre prior to installing the required erosion and sediment control practices. (B) During the construction activity at a site, erosion and sediment control measures necessary to meet the requirements of this chapter shall be maintained, at all times. (C) On-site sediment shall be detain...
Flood Zones
Evansville requires a floodplain development permit before any construction, fill, grading, or land-disturbing activity in areas of special flood hazard, enforced by the Floodplain Administrator under the Evansville-Vanderburgh Building Commission.
Evansville Floodplain Development Permit
Some RestrictionsEvansville Municipal Code § 16.10.045
A floodplain development permit shall be required in conformance with the provisions of this chapter prior to the commencement of any development activities in areas of special flood hazard.
Flood Elevation Requirements
Evansville sets its flood protection grade at base flood elevation plus two feet of freeboard, and requires new or substantially improved structures in Zone A and AE to build to or above that height.
Evansville Base Flood Elevation Freeboard
Some RestrictionsEvansville Municipal Code § 16.10.120(B)(2)
In Zone A and Zone AE, new construction or substantial improvement of any residential structure shall have the lowest floor, including basement, at or above the FPG. Should solid foundation perimeter walls be used to elevate a structure, openings sufficient to facilitate the unimpeded movements of floodwaters shall be provided in accordance with the standards of subsection (B)(3) of this sectio...
Looking for Vanderburgh County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Evansville city rules.
Environmental Rules in Vanderburgh County →