Environmental Rules in Terrebonne Parish, LA (2026)
5 rules for unincorporated Terrebonne Parish, Louisiana.
Verified from official government sources
Stormwater Management
Terrebonne Parish Code § 22-353 bans discharging anything but stormwater into the parish's storm drain system (MS4), covering everyone from construction sites to commercial facilities. Violators face a civil penalty up to $500 per day plus criminal prosecution carrying a $500 fine and up to 90 days in jail, enforced by the Planning and Zoning and Public Works departments.
Terrebonne Parish Stormwater Discharge Rules
Significant RestrictionsTerrebonne Parish Code § 22-353
(c)Discharge prohibitions and exemptions. No person shall throw, drain, or otherwise discharge, cause, or allow others under its control to throw, drain, or otherwise discharge into the MS4 any pollutants or waters containing any pollutants, other than stormwater. ... (6)Civil penalties. ... the authorized enforcement agency may impose a penalty not to exceed five hundred dollars ($500.00) (dep...
Erosion Control
Terrebonne Parish Code § 22-354 requires erosion and sediment control measures on every land-disturbing site in the parish, from silt fencing to stabilized construction entrances, before ground is disturbed. Violators face a notice of violation, a mandatory cease-and-desist halting all work, and a criminal fine of at least $500 plus up to 90 days in jail per violation.
Terrebonne Parish Erosion Control Rules
Significant RestrictionsTerrebonne Parish Code § 22-354
(a)Purpose/intent. ... it is the intent of this article to control soil erosion and sedimentation caused by land disturbing activities in Terrebonne Parish. ... (d)Design requirements. The following requirements shall be met on all sites:(1)Appropriate erosion control measures shall be installed prior to any land disturbing activity and thereafter whenever necessary. ... (3)Water shall not be d...
Flood Zones
Terrebonne Parish Code Chapter 9 governs every area of special flood hazard across the parish and the former City of Houma. A flood control/utility permit from the floodplain administrator, the director of planning and zoning, is required before any new construction, substantial improvement, or structural addition, and the finished structure must be anchored against flotation, collapse, and hydrostatic loads.
Terrebonne Parish Floodplain Development Permit Rules
Some RestrictionsTerrebonne Parish Code §§ 9-2, 9-7, 9-8.5, 9-56(1)
Any person violating any provision of this chapter shall be so notified by certified return receipt mail of the specific violation and given no less than five (5) days and no more than thirty (30) days to either remove the unlawful structure, if it is prohibited, or cause it to conform to the provisions of this chapter, if it is an authorized structure or repair-related activity. ... This chapt...
Boat Dock Permits
Terrebonne Parish doesn't have a separate boat-dock ordinance; instead, section 12-6 requires a Coastal Impact Certificate before building bulkheads or any other structure, including a dock, that needs a Louisiana coastal zone permit or a federal Section 10/404 permit from the Army Corps of Engineers.
Terrebonne Parish Coastal Zone Construction Permit
Significant RestrictionsTerrebonne Parish Code § 12-6(a)
(a)A coastal impact certificate from the Terrebonne Parish Consolidated Government shall be required prior to the performing of any of the following: soil regrading as defined in article II of this chapter; seismographic survey; or the construction of any well, well site, well platform, other mining operation, pipeline, canal; or for the dredging of canals, bayous, borrow pits, wetlands, ponds,...
Flood Elevation Requirements
New construction and substantial improvements to residential structures in Terrebonne Parish's special flood hazard areas must have the lowest floor, including any basement, elevated to or above the minimum height set by the 2021 International Building Code as amended. Code Sec. 9-1 builds in at least one foot of freeboard above the base flood elevation as a safety margin, more for some structure types, certified by a Louisiana-registered engineer, architect, or surveyor.
Terrebonne Parish Base Flood Elevation Rule
Some RestrictionsTerrebonne Parish Code §§ 9-1, 9-57(1)
Freeboard means an additional amount of height above the base flood elevation used as a factor of safety in determining the level at which a structure's lowest floor must be elevated or floodproofed to be in accordance with state or community floodplain management regulations. For purposes herein, the minimum height of one (1) foot of freeboard may increase depending upon the type of structure ...
All Terrebonne Parish ordinances
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