Environmental Rules in Evansville, IN

If you live in Evansville or are thinking about moving there, environmental rules are one of those things you probably won't think about until they affect you directly. Evansville has 4 specific rules on the books covering different aspects of environmental rules, and some of them might surprise you.

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.

Key details: Permit required: Before any SFHA development activity. Administered by: Floodplain Administrator, Building Commission. SFHA source map: Vanderburgh Co. FIRM, 1/29/2021. Violation status: Common nuisance, daily offense.

Building without a floodplain development permit, or violating permit conditions, is a common nuisance under EMC 15.05.520; each day of continued violation is a separate offense, and the Building Commission may warn the owner that a willful violation can suspend NFIP flood insurance coverage.

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.

Key details: Applies to: land disturbance under 1 acre. First citation penalty: $100-$250 civil penalty. Second citation penalty: $500-$750 civil penalty. Standard referenced: IN DNR erosion-control handbook. Enforcement tool: stop-work order + City corrective work.

Continued noncompliance draws a first citation of $100-$250, a second of $500-$750, then a stop-work order and City-performed corrective work billed to the property owner.

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.

Key details: Threshold: 1 acre or more of disturbance. Required filing: NOI letter to the state. Plan review: By City's MS4 operator. Review window: 14 days for deficiency notice. Technical review: Copy sent to Vanderburgh County SWCD.

Beginning construction before MS4 plan approval, or after a notice of plan deficiency, is a violation subject to enforcement action, penalty, or fine under EMC 16.20.070.

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.

Key details: Freeboard: BFE plus two feet (the FPG). Zone A/AE residential: Lowest floor at or above FPG. Nonresidential option: Elevate or floodproof to FPG. Verification: Certified elevation certificate required.

Failing to meet the FPG standard blocks issuance of a certificate of completion or occupancy until a corrected elevation certificate is filed; noncompliance is also a common-nuisance violation under EMC 16.10.075, with each day treated as a separate offense.

The Bottom Line

Evansville's environmental rules rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Evansville is broadly strict or permissive.

These rules come from Evansville's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.