Environmental Rules in Gretna, LA (2026)
1 verified environmental rules for Gretna, Louisiana, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Gretna Code of Ordinances § 10-15 makes the property owner responsible for maintaining approved drainage arrangements, whether a retaining wall, sub-surface drainage, or a swale, and requires new construction that would drain onto a higher-elevation neighboring lot to dedicate a recorded drainage servitude and install drainage facilities before occupancy.
Gretna Lot Drainage and Runoff Rules
Some RestrictionsGretna Code of Ordinances § 10-15(a)(3), (e)(1)
(a)Generally. To establish appropriate grade or elevation for lots, structures, and facilities, the following general standards shall apply: ( ... 3)Runoff. ... The approved arrangements for handling direct run off (whether by retainer wall, approved sub-surface drainage, swale, or other approved alternative) shall be properly maintained by the property owner. ... (e)Drainage servitude and faci...
Looking for Jefferson Parish county-wide rules?
County ordinances apply to unincorporated areas and may supplement Gretna city rules.
Environmental Rules in Jefferson Parish →