Environmental Rules in Lake Charles, LA (2026)
4 verified environmental rules for Lake Charles, Louisiana, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Lake Charles bans dumping anything but stormwater into its storm drains and watercourses under the Stormwater Quality Management and Discharge Control Ordinance, City Code § 21-210. The rule targets everyday sources like vehicle-wash water, dumpster leakage, and pressure-washing runoff, and it is enforced with escalating fines that reach $1,000.00 a day.
Lake Charles Stormwater Discharge Rules
Significant RestrictionsLake Charles, LA Code of Ordinances § 21-210
No person shall discharge or cause to be discharged into the city storm drain system or watercourses any materials, including, but not limited to, pollutants or waters containing any pollutants that cause or contribute to a violation of applicable water quality standards, other than stormwater. Illegal discharges include, but are not limited to... (a)Water from the cleaning of gas stations, veh...
Erosion Control
Lake Charles Code Sec. 21-234 requires developers and property owners to control erosion and sedimentation on construction sites so runoff does not cross onto neighboring property, rights-of-way, streets, or streams. The city can demand a separate erosion control plan, and inspectors enforce a set of minimum control measures under Section 21-234.1.
Lake Charles Erosion & Sediment Control Rules
Some RestrictionsLake Charles, LA Code of Ordinances Sec. 21-234
Developers and/or property owners shall use appropriate erosion and sedimentation control measures to ensure that erosion, or adverse conditions caused by erosion or sedimentation, is eliminated or held to an acceptable minimum and does not cross to an adjoining property, right-of-way, street, or stream. When deemed necessary, the public works engineers, zoning and development director, city ma...
Flood Zones
Development in Lake Charles's mapped floodways and flood hazard areas A, AE, and VE must offset any fill it brings in, under City Code § 6-486. The rule requires removing an equal volume of fill from the site so the floodplain loses none of its water-storage capacity, with exemptions for small subdivisions and pre-2021 house lots.
Lake Charles Floodplain Fill Mitigation Rule
Some RestrictionsLake Charles, LA Code of Ordinances § 6-486
(a)Purpose. Fill mitigation (flood plain storage) is intended to ensure that developments do not cause or result in a barrier that will adversely affect the efficiency of, or restrict the flow or capacity of, a designated floodway or watercourse so as to cause foreseeable damage to others, wherever located. For example, should fill material be required, an equal quantity of fill material shall ...
Flood Elevation Requirements
Lake Charles sets a minimum foundation height for construction under City Code § 6-487: the finished floor must sit at least one foot above the highest of four flood-measurement benchmarks, including FEMA's base flood elevation. The freeboard rule applies to every enclosed residential and commercial structure in the city.
Lake Charles Freeboard Elevation Requirement
Some RestrictionsLake Charles, LA Code of Ordinances § 6-487(b)
(b)The following minimum foundation elevation requirement is established to provide protection from flooding events in the city. The minimum floor elevation shall be one foot above the highest of the following four measurements.(1)The BFE measurement value in flood hazard areas AE and VE shall be based on the latest Calcasieu Parish Flood Insurance Study (FIS)...a.For sites with a BFE of nine f...