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Office of Sustainability and the Environment
Urban Runoff Urban Runoff
Code Requirements


For a complete guide to all Code Requirements related to Watershed Management and the development of a Drainage Plan, consult Working for a Cleaner Baypdf symbol 

New Construction and Remodels:
Working_for_a_Cleaner_Bay

Annual Operations & Maintenance Requirements

Annual Maintenance – property owners or their representatives are required to maintain their rainwater runoff device (BMPs) annually.  The will include an inspection. SMMC 7.10.090 (r)     
Sale or Transfer of Property:

U.S. Environmental Protection Agency
tools for modeling, analysis, calculation

National Stormwater Calculator
A desktop application that estimates the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States. Estimates are based on local soil conditions, land cover, and historic rainfall records.

Storm Water Management Model
A dynamic hydrology-hydraulic water quality simulation model. It is used for single event or long-term (continuous) simulation of runoff quantity and quality from primarily urban areas.


Additional Resources:
 
Last updated: Wednesday, 01/29/2020
 arc
ARCSA is your rainwater harvesting resource.  Visit for listing of installers, to learn how to become certified to become an installer or inspector and more.    

 

Rain Harvest Rebate Program

 Small Cistern
Harvesting rainwater protects the Bay from runoff and makes watering your yard fun.  

If that's not enough incentive, how about receiving a generous rebate?  


 

Matrix 2.0 Alternative Water Guidelines 

 Matrix Document Banner
download (pdf)
New roadmap for decentralized, alternate water supplies - indoor and outdoor non-potable water regulations streamlined for rainwater, graywater, stormwater, blackwater use.
KCRW 89.9 Story


 

City of Santa Monica © 2020

Santa Monica Office of Sustainability and the Environment
1685 Main St., Santa Monica, CA 90401 · (310) 458-2213 · TTY (310) 917-6626