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Grading and erosion control in Rio Vista

Rio Vista's own rules on grading and erosion control, with the code text for every value.

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Each rule below links to the section of the Rio Vista Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Rio Vista's code says

Rio Vista code What Rio Vista's code adds
Erosion control plan
  • A qualified person must prepare an erosion and sediment control plan, submitted with the final grading plan.
    Applies: Projects that need grading approval; covers the construction period.
    § 13.24.250 · code text
    The ESC plan shall be prepared by a qualified person for all projects to control surface runoff and erosion and to retain sediment on a particular site and prevent pollution of site runoff during the period when preconstruction and construction related grading activities occur, but before final improvements or permanent structures are complete.
  • A post-construction erosion and sediment control plan must be submitted with the final grading plan.
    Applies: Projects that need grading approval; covers the site after construction.
    § 13.24.260 · code text
    The PC plan shall be prepared for all projects to control surface runoff and erosion and retain sediment on a particular site after all planned final improvements and/or structures have been installed or erected.
When a grading permit is needed
  • You need grading approval for 50 cubic yards or more.
    Applies: Smaller work also needs approval if cuts or fills are 2 feet deep or more, slopes are 10% or more, or drainage is blocked.
    § 13.24.070 · code text
    The volume of material graded is less than 50 cubic yards,
Grading without a permit
  • Exempt: under 50 cubic yards, cuts or fills under 2 feet, slopes under 10%; permitted pool, basement and footing digs.
    Applies: Drainage must not be blocked. Unless project conditions require grading approval.
    § 13.24.070 · code text
    An excavation below finished grade for basements and footings of a building authorized by a valid building permit;

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the grading rules in Rio Vista?

Rio Vista's code: You need grading approval for 50 cubic yards or more. (Smaller work also needs approval if cuts or fills are 2 feet deep or more, slopes are 10% or more, or drainage is blocked.) (§ 13.24.070); A qualified person must prepare an erosion and sediment control plan, submitted with the final grading plan. (Projects that need grading approval; covers the construction period.) (§ 13.24.250).

General information, not legal advice.

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Ask GoCodebook how Rio Vista's grading and erosion control rules apply to your situation and get an answer that cites the section.

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Rio Vista Municipal Code — full text