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File #: 26-197    Version: 1
Type: Report Status: Agenda Ready
File created: 3/16/2026 In control: REGULAR CITY COUNCIL AND HOUSING AUTHORITY*
On agenda: 4/7/2026 Final action:
Title: INTRODUCTION AND FIRST READING BY TITLE ONLY OF AN ORDINANCE AMENDING CHAPTER III OF TITLE 15 OF THE COSTA MESA MUNICIPAL CODE RELATING TO DRAINAGE AND ADOPTION OF DEVELOPMENT IMPACT FEES FOR STORM DRAINAGE AND ADOPTION OF A CAPITAL IMPROVEMENT PLAN AS PART OF THE NEXUS STUDY AND COMPLETION OF THE STORM DRAIN SYSTEM MASTER PLAN (SDSMP) UPDATE
Attachments: 1. Agenda Report, 2. 1. Storm Drainage Impact Fee Nexus Study, 3. 2. Proposed Resolution, 4. 3. Proposed Ordinance
TITLE:
title
INTRODUCTION AND FIRST READING BY TITLE ONLY OF AN ORDINANCE AMENDING CHAPTER III OF TITLE 15 OF THE COSTA MESA MUNICIPAL CODE RELATING TO DRAINAGE AND ADOPTION OF DEVELOPMENT IMPACT FEES FOR STORM DRAINAGE AND ADOPTION OF A CAPITAL IMPROVEMENT PLAN AS PART OF THE NEXUS STUDY AND COMPLETION OF THE STORM DRAIN SYSTEM MASTER PLAN (SDSMP) UPDATE
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DEPARTMENT: PUBLIC WORKS DEPARTMENT / ENGINEERING DIVISION
PRESENTED BY: RAJA SETHURAMAN, PUBLIC WORKS DIRECTO
CONTACT INFORMATION: SEUNG YANG, P.E., CITY ENGINEER, (714) 754-5335

RECOMMENDATION:
recommendation
Staff recommends the City Council:
1. Adopt the 2026 Storm Drainage Impact Fee Nexus Study ("Nexus Study") as the final component of the 2024 Storm Drain System Master Plan Update.
2. Adopt the storm drain Capital Improvement Plan (CIP) as provided in Appendix A (Table A-1) in the Nexus Study.
3. Adopt Resolution 2026-XX for the updated development impact fees for storm drainage, in compliance with governing California laws AB1600 (Mitigation Fee Act) and AB 602 (Development Impact Fees).
4. Introduce for first reading, by title only, Ordinance No. 26-XX of the City Council of the City of Costa Mesa, California, Amending Chapter III of Title 15 of the Costa Mesa Municipal Code Relating to Drainage and waive further reading.
5. Authorize staff to implement the updated fees sixty (60) days after adoption, in compliance with AB 1600 (Mitigation Fee Act).
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BACKGROUND:
In 2006, the City Council amended Costa Mesa Municipal Code section 15-64 (Title 15, Chapter III) to identify and put into effect a Storm Drain System Master Plan (SDSMP) and its associated drainage impact fees. These impact fees are collected from new development and significant re-development projects as "one-time" charges to fund the impacts that future development will have on the City's storm drainage system.

The 2006 SDSMP analyzed the existing storm drain system throughout the City. The detailed "rational method" ana...

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