North OC Watershed Management Area

Efforts to develop a combined Integrated Regional Water Management (IRWM) Plan for the North and Central OC Watershed Management Areas began in February 2017.  The comment period for the draft plan (The OC Plan) closed on December 22, 2017.  Responses to the comments are being prepared and the final draft plan will be completed by the end of February 2018. 

The Call for Projects to build the IRWM Project List is now open through February 21stProjects can be submitted via the new North/Central IRWM website/Data Management System (DMS); instructions for submitting projects are provided below.  To provide agencies and stakeholders additional guidance on submitting projects using the website/DMS, two technical assistance workshops have been scheduled for the following:

  • January 16, 2018, 2:30-3:30 pm
  • February 6, 2018, 2:30-3:30 pm

Both workshops will be held at Orange County Public Works, 2301 North Glassell Street in Orange - Conference Room 2A.  The project team will demonstrate how to submit projects using the website/DMS, assist with project submittal, and answer questions for those needing assistance. 

Project Submittal Process

  1. Download the IRWM Project Solicitation Excel Score Sheet from the Project Submittal page of the website/DMS.
  2. Complete the IRWM Project Solicitation Excel Score Sheet and save locally using the designated file nomenclature ("NCWMA_OrgName_ProjectName").
  3. Drag and drop saved IRWM Project Solicitation Excel Score Sheet into web submission box on the left-hand side of the Project Submittal page of the website/DMS.  (If you would like to add more information about an existing, previously funded project, please also use this process to submit photos, data, reports, etc.).
  4. Complete the "Project Submittal Form" online through the Project Submittal page of the website/DMS, including geospatial project location (dropped pin, lat/lon, or address), and click "Submit Entry" button.
  5. County staff will receive both the Project Submittal Form entry and associated geospatial data as well as the IRWM Project Solicitation Excel Score Sheet; after these are reviewed briefly for completeness, they will be added to the IRWM Project Data Explorer map on the website/DMS and the IRWM Project List.  County staff will strive to have all projects uploaded within three business days of submittal, barring any technical issues.

If you have additional questions regarding the development of The OC Plan and associated Call for Projects process, please refer to the list of North/Central IRWM Plan FAQ.

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The North OC Watershed Management Area (WMA) encompasses 241,000 acres (376 square miles) in Northern Orange County. The NOC WMA is bordered by Los Angeles County to the North and West and to the East by San Bernardino County. The three watersheds in this area are the San Gabriel River/Coyote Creek, Anaheim Bay-Huntington Harbour and the Santa Ana River. All three watersheds lie within the Santa Ana Regional Water Quality Control Board boundary. The NOC WMA includes all of the cities of Anaheim, Brea, Buena Park, Cypress, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, La Habra, La Palma, Los Alamitos, Placentia, Seal Beach, Stanton, Villa Park, Westminster, and Yorba Linda, and portions of the cities of Costa Mesa, Orange, Newport Beach, and Santa Ana, as well as unincorporated areas of Orange County.

North Orange County Integrated Regional Water Management Plan (NOC IRWMP)

Efforts to develop an Integrated Regional Water Management Plan for the NOC WMA began in June, 2007. Stakeholder meetings focused on developing goals and objectives for the region, and began to collect ideas for potential projects to be included in the Plan.

On July 27, 2010 the California Department of Water Resources (DWR) released the final guidelines for the Proposition 84/1E grant program. These guidelines established the general procedures and criteria that DWR is using to implement each Integrated Regional Watershed Management grant program. Based on these guidelines the NOC WMA Plan was restructured to follow DWR Proposition 84/1E guidelines.

The public comment period for the NOC WMA plan closed on January 28, 2011. Comments were received and incorporated in the final plan. The final NOC WMA plan is below, each section of the plan is a separate file for ease of use.

  1. Cover, TOC and Figures
  2. Executive Summary
  3. Section 1 Introduction
  4. Section 2 Governance
  5. Section 3 Regional Description
  6. Section 4 Objectives
  7. Section 5 Resource Management Strategies
  8. Section 6 Regional Priorities & Implementation
  9. Section 7 Data Management
  10. Section 8 Finance
  11. Section 9 Technical Analysis
  12. Section 10 Coordination with Existing Local/Regional Plans
  13. Section11 Stakeholder Involvement
  14. Section 12 Climate Change
  15. NOC IRWMP Project Matrix

North OC WMA

If there are any questions regarding the details of a document, or to obtain a hard copy or other alternative formats of the original document, or to have a document read to you, please contact the OC Public Works offices, Monday through Friday, 7:30 am to 5:00 pm PST, at 2301 N. Glassell St., Orange, CA, 92865 by email at  OC Watersheds, or by phone at (714) 955-0600.