Stormwater Requirements for Construction and Development Projects

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Construction activities can threaten stormwater quality in a number of ways: disturbed sediment and materials delivered or stored onsite can enter the storm drains, rainwater on site can carry pollutants into the drains, and changing the landscape from permeable to impervious by adding buildings, concrete and asphalt can affect how rainwater enters the stormwater system.

Construction projects and development plans are reviewed by Community Development for stormwater protection requirements and plans. This includes larger scale development (commercial and residential), as well as residential projects such as pools and additions. More information about required permits and stormwater protection for construction projects can be found below and at the Development Engineering page

The "Post-Construction Standard Plan" guides proponents and municipal plan checkers through the various requirements of the Phase II Municipal Separate Storm Water Sewer System (MS4) Permit. This plan was developed in collaboration with 16 other Central Valley municipalities and WGR Southwest Inc. to develop the "Post-Construction Standard Plan". Questions should be directed to Community Development at (916) 617-4645.

Here you will find frequently used documents including submittal requirements, checklists and other valuable information for stormwater requirements. Just click on the links; these documents are in pdf form.

Post-Construction Standards Plan
The "Post-Construction Standard Plan " guides project proponents and municipal plan checkers through the various requirements of the Phase II Municipal Separate Storm Water Sewer System (MS4) Permit and addresses the Post-Construction Measures which includes:

  1. Site Design Measures
  2. Regulated Projects
  3. Source Control Measures
  4. Low Impact Development (LID) design Standards
  5. Hydromodification Measures
  6. Enforceable Mechanisms
  7. Operation and Maintenance of Storm Water Control Measures
  8. Post-Construction Storm Water Management Requirements Based on Assessment and
  9. Maintenance of Watershed Processes
  10. Alternative Post-Construction Storm Water Management Program

Volumetric Sizing Tool
This document is referenced in the Post-Construction Standard Plan Appendix 6. Use to calculate Treatment Controls.

Post-Construction Project Worksheet
A completed Post-Construction Project Worksheet is required to be submitted with the submittal of a project which meets the Regulated project criteria. A Regulated project creates or removes and replaces 5,000 square feet or more impervious surface.

Post-Construction Small Projects
A completed Small Project Post-Construction Project Worksheet is required to be submitted with the submittal of a project which meets the Small project criteria. A Small project creates or removes and replaces 2,500 to 5,000 square feet impervious surface. This package includes the first two pages of the Post-Construction Project worksheet.

ESCP Worksheet - Application 500SF to 1 AC of Soil Disturbance
CalGreen stormwater requirements regulates project which are less than an acre in size. To meet is requirement a Erosion Sediment Control Plan (ESCP) needs to be included in the submittal package.

Bridge District Onsite Infiltration Design
Bridge District Onsite Infiltration System Design Guidelines" are intended to provide information related to design of onsite infiltration systems in the East Shed of West Sacramento's Bridge District.

Best Management Fact Sheets

Erosion and Sediment Control BMPs
The provided Fact Sheets describe Stormwater Best Management Practices (BMPs) also know as stromwater controls and stormwater management facilities, that can be use to meet the stormwater management requirements in the "Post-Construction Standard Plan" and "Erosion and Sediment Control Plans".

Stormwater Informational flyers for home maintenance projects

Guide to Storm Water Pollution Prevention
This flyer is for backyard and homeowner small projects which include the use of concrete, pain and Yard maintenance.

Landsapers Guide to Storm Water Pollution Prevention
This flyer is for professional landscapers and homeowners.

Swimming Pool Maintenance Guide to Storm Water Pollution Prevention
This flyer is for pool and spa construction and maintenance. Pool construction and maintenance services as well as homeowners will benefit from the information included in this flyer.

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