Rocklin Municipal Code Ch. 15.28 (Grading and Erosion and Sedimentation Control) regulates grading and erosion control on all property to prevent pollution of watercourses with nutrients, sediment, or earthen materials from surface runoff. Grading and erosion-control plans require City approval before work begins.
Rocklin MC Ch. 15.28 was enacted to regulate grading on all property within the city to avoid pollution of watercourses with nutrients, sediments, or other earthen materials generated by surface runoff on or across the permit area. The chapter establishes administrative procedures for issuance of grading permits and approval of erosion-control plans, including fills and embankments, and requires inspection of grading activities. Applicants typically submit a Grading Permit application together with an Erosion and Sedimentation Control Plan (ESCP) showing silt fences, fiber rolls, stabilized construction entrances, storm-drain inlet protection, and other Best Management Practices consistent with the California Stormwater Quality Association BMP Handbook. Sites disturbing one acre or more must also obtain coverage under the State Construction General Permit (Order 2022-0057-DWQ) and prepare a Stormwater Pollution Prevention Plan (SWPPP).
Grading without a permit or without approved erosion controls violates Ch. 15.28; the City may stop work, require remediation/restabilization, and assess Municipal Code general-penalty fines. State Water Board enforcement under the Construction General Permit can add administrative civil liability up to $10,000 per day per Water Code §13385.
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