Environmental Rules in South Gate, CA (2026)
4 verified environmental rules for South Gate, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
South Gate regulates stormwater and drainage through Chapter 6.67, aimed at cutting pollutants that reach the city's storm drain system before they hit the Los Angeles River watershed.
South Gate Stormwater Discharge Rules
Some RestrictionsSouth Gate Municipal Code § 6.67.010(A)
The purpose of this chapter is to protect the public health, welfare and safety and to reduce the quantity of pollutants being discharged to the waters of the United States. This chapter has the following objectives: 1. The elimination of non-stormwater discharges to the municipal separate storm sewer system; 2. The elimination of spillage, dumping and disposal of pollutants into the muni...
Erosion Control
South Gate won't issue a grading, building, or demolition permit for a one-acre-plus disturbed site until the applicant files a state stormwater notice of intent and prepares a pollution prevention plan.
South Gate Grading Permit Stormwater Rule
Some RestrictionsSouth Gate Municipal Code § 6.67.030(C)(4)
Notice of Intent to Comply. No grading, building, demolition, or other permit shall be issued by the division of building and safety for developments with a disturbed area of one acre or greater unless the applicant can show that a notice of intent to comply with the state construction general permit has been filed and that a stormwater pollution prevention plan has been prepared for the projec...
Flood Zones
South Gate requires a development permit for any construction or land alteration within a FEMA-mapped special flood hazard area, administered by the director of building and safety under the city's floodplain management chapter.
South Gate Flood Zone Development Rules
Some RestrictionsSouth Gate Municipal Code § 7.47.040(A)-(B)
A development permit shall be obtained before any construction or other development begins within any area of special flood hazard established in Section 7.47.020B. Application for a development permit shall be made on forms furnished by the floodplain administrator and may include, but not be limited to: plans in duplicate drawn to scale showing the nature, location, dimensions, and elevation ...
Flood Elevation Requirements
New and substantially improved residential buildings in South Gate's mapped flood zones must have their lowest floor, including any basement, elevated to or above the base flood elevation and certified by a licensed engineer or surveyor.
South Gate Base Flood Elevation Rule
Some RestrictionsSouth Gate Municipal Code § 7.47.050(A)(3)(a)
Residential construction, new or substantial improvement, shall have the lowest floor, including basement, i. In an AR (with base flood depth) zone, elevated above the highest adjacent grade to a height equal to or exceeding the depth number specified in feet on the FIRM, or elevated at least two feet above the highest adjacent grade if no depth number is specified. ii. In an A zone, elev...
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County ordinances apply to unincorporated areas and may supplement South Gate city rules.
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