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Construction Site Stormwater Management

For more information
To learn more about the City's Construction Site BMP Review and Inspection Program, please contact:
Building Permits & Inspection Services at (831) 646-3890, or, the Stormwater Program at
(831) 646-3921.

Help protect the Monterey Bay and its wildlife by properly installing and maintaining construction site stormwater best management practices at all times, and especially during this wet season!

The City of Monterey's Storm Water Ordinance (Municipal Code Chapter 31.5 Article 2) requires all construction site owners and contractors to implement storm water best management practices (BMPs). BMPs prevent pollutants generated during construction from leaving the construction site and entering the City's storm water system during wet or dry weather. BMPs help protect the Monterey Bay National Marine Sanctuary!
Storm Water BMP Inspections
City staff perform stormwater inspections of construction sites. Two different inspection forms are utilized depending on the size of the site. They are provided below for owner and contractor review:
     Construction review and inspection checklist (sites < 1 acre)
     Construction review and inspection checklist (sites > 1 acre)

Below are links to online construction BMP guidance documents:
About the Construction General Permit ("CGP")
Regulated by the State Water Resources Control Board (SWRCB), larger projects are required to obtain coverage under their Construction General Permit (CGP) prior to the issuance of a construction activity permit locally. Larger construction projects (including linear projects) are those that disturb one or more acres of soil or whose project disturbs less than one acre and is part of a larger common plan of development.

These projects also require a Stormwater Pollution Prevention Plan (SWPPP) to be submitted to the SWRCB and the City's Plans and Public Works Department for review prior to permit issuance. Lean more about the CGP and SWPPP requirements at the SWRCB Construction Stormwater Program website.

To report illegal dumping to the street, waterways, or the storm drain system, please call one of the following:

(831) 646-3921 (Business hours)
(831) 646-3914 (After hours)
911 (County-wide, anytime)


Dumping any pollutants or trash into the gutter, catch basin or the storm drain system is ILLEGAL. Please report any dumping to the City. Local ordinances limit storm water flows to clean rain water and non-polluted incidental flows like groundwater. Please do your part to protect local waterways!
City of Monterey Code requires construction site operators to implement best management practices (BMPs) to prevent pollutants from leaving the site and entering the City's storm water system.

A Storm Water Pollution Prevention Plan (SWPPP) must be submitted to Plans and Public Works Department for any construction project (linear included) that disturbs one or more acres of soil or whose project disturbs less than one acre and is part of a larger common plan of development.

Regulated by the State Water Resources Control Board (SWRCB), these projects are required to obtain coverage under the State's Construction General Permit (CGP) prior to construction. Lean more about the CGP and SWPPP requirements at the State's SWRCB Construction Storm Water Program website.

NEW POST-CONSTRUCTION REQUIREMENTS (PCRs) for DEVELOPMENT PROJECTS are now in effect throughout the Central Coast per Central Coast Regional Board regulations.