Environmental Rules in LaPorte County, IN (2026)
4 rules for unincorporated LaPorte County, Indiana.
Verified from official government sources
Stormwater Management
LaPorte County's Chapter 52 Stormwater Management ordinance requires a permit and an approved Stormwater Management Plan for any subdivision or site plan disturbing an acre or more, with waivers available and a $2,500-per-day civil penalty backing enforcement.
LaPorte County Stormwater Management Rules
Significant RestrictionsLaPorte County Code of Ordinances § 52.16
In addition to or as an alternative to any penalty provided herein or by law, any person who violates the provisions of this subchapter shall be punished by a fine of not less than $2,500 for each violation. Such person shall be guilty of a separate offense for each day during which the violation occurs or continues.
Erosion Control
LaPorte County requires an approved Erosion and Sediment Control Plan before any construction on a project site disturbing an acre or more. The MS4 Coordinator reviews the plan, and the county backs it with a graduated citation schedule and stop-work orders for noncompliance.
LaPorte County Erosion & Sediment Control
Significant RestrictionsLaPorte County Code of Ordinances § 156.16
No construction project site owner (permittee) shall be granted a Site Development Permit for a project site where the proposed land disturbance is one acre or more without the approval of the ESCP by the MS4 Coordinator. ... All ESCPs shall be accompanied by a $100 per acre of disturbance filing fee. The Site Development Permit is granted by the MS4 Coordinator for a period of five years.
Flood Zones
LaPorte County requires a floodplain development permit before any grading, filling, construction or structural alteration in a special flood hazard area (SFHA). The County Building Commissioner, acting as Floodplain Administrator, reviews applications, and violations carry fines up to $2,500 per day under Chapter 155 of the county code.
Floodplain Development Permits in LaPorte County
Significant RestrictionsLaPorte County Code of Ordinances § 155.17; § 155.99
§ 155.17 ESTABLISHMENT OF FLOODPLAIN DEVELOPMENT PERMIT. 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. ... § 155.99 PENALTY. Failure to obtain a floodplain development permit in the SFHA or failure to comply with the requirements of a floodplain develo...
Flood Elevation Requirements
In LaPorte County's special flood hazard areas, new and substantially improved homes must have their lowest floor, including any basement, built at or above the flood protection grade, two feet above the base flood elevation. Non-residential buildings must meet the same freeboard or be floodproofed.
LaPorte County Flood Elevation Rules
Some RestrictionsLaPorte County Code of Ordinances § 155.41
(B) Residential structures. New construction or substantial improvement of any residential structure (or manufactured home) shall have the lowest floor; including basement, at or above the FPG (two feet above the base flood elevation). ... (C) Non-residential structures. New construction or substantial improvement of any commercial, industrial, or non-residential structure (or manufactured ho...
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