Environmental Rules in Bossier Parish, LA (2026)
4 rules for unincorporated Bossier Parish, Louisiana.
Verified from official government sources
Stormwater Management
Bossier Parish's MS4 stormwater ordinance bars discharging anything but stormwater into the parish's storm drain system, covering ditches, catch basins and channels across unincorporated Bossier Parish. The Police Jury's director of public works administers the program, investigates illicit connections, and can suspend a violator's access to the system. Violators face fines up to $500 per day per offense under Chapter 122, Article IV.
Bossier Parish Stormwater Discharge Rules
Some RestrictionsBossier Parish Code § 122-95(a)
(a)Prohibition of illegal discharges. Unless expressly authorized or exempted by this article, no person shall throw, drain, or otherwise discharge, cause, or allow others under their control to throw, drain, or otherwise discharge into the municipal storm drain system (MS4) any pollutants or waters containing any pollutants, other than stormwater.
Erosion Control
Construction and industrial sites in unincorporated Bossier Parish must comply with their Louisiana LPDES stormwater discharge permit before releasing runoff into the parish's storm drain system, and operators must promptly contain and report any discharge to the director of public works. The parish's illicit-discharge ordinance separately bans releasing more sediment than site-based erosion controls can retain.
Bossier Parish Construction Stormwater Rules
Some RestrictionsBossier Parish Code §§ 122-97(b)(19), 122-100(a)
(19)Any harmful quantity of sediment, silt, earth, soil, or other material associated with clearing, grading, excavation or other construction activities in excess of what could be retained on site or captured by employing sediment and erosion control measures to the maximum extent practicable under prevailing circumstances; ... Sec. 122-100. - Industrial or construction site stormwater runoff ...
Flood Zones
In unincorporated Bossier Parish, any permanent construction inside a special flood hazard area needs a floodplain development permit before footings, a slab, piers, or drill shafts go in, under Code § 54-53. The Bossier Parish Tax Assessor's office collects the permit fee when the application is filed.
Bossier Parish Floodplain Development Permit
Some RestrictionsBossier Parish Code § 54-53
A floodplain development permit shall be required to ensure conformance with the provisions of this article. ... (a)A development permit must be obtained prior to the commencement of any permanent construction, i.e., footings, slab, piers, drill shafts, etc. Applicable permit fee is to be paid at the office of the Bossier Parish Tax Assessor upon application for development or building permit, ...
Flood Elevation Requirements
New or substantially improved residential structures in a Bossier Parish special flood hazard area must have their lowest floor, plus mechanical and electrical equipment, raised at least one foot above the base flood elevation under Code § 54-92(1), certified by a registered engineer, architect, or land surveyor.
Bossier Parish Residential Base Flood Elevation Rule
Some RestrictionsBossier Parish Code § 54-92
(1)Residential construction. New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), mechanical and electrical equipment and duct work elevated to a minimum of one foot above the base flood elevation. A registered professional engineer, architect, or land surveyor shall submit a certification to the floodplain administrator tha...
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