Since a leading cause of sewer spills is clogged sewer lines due to FOG, OCSD established a Fats, Oils, and Grease Control Program to eliminate the discharge of FOG-containing wastewater from Food Service Establishments (FSE) and commercial kitchens.

OCSD's program covers Tustin, parts of Orange and unincorporated areas of the County.

1. Permit Application Materials for Commercial Properties

Application Brochure (245.6 KB)

Commercial Application Checklist (179.5 KB)

Fees (29.2 KB)

Ordinance (5.01 MB)

Permit Application (263.7 KB)

2. Permit Application Materials for Food Service Establishments

Application Brochure (295.5 KB)

Application Checklist (182.7 KB)

Fees (29.2 KB)

Ordinance (5.01 MB)

Permit Application (263.7 KB)

3. Fact Sheets

01. Core Ordinance (214.6 KB)

02. Basic FOG Information (113 KB)

03. Fog Definitions (90.3 KB)

04. General Frequently Asked Questions (105.3 KB)

05. FOG Program (113 KB)

06. Frequently Asked Questions (132.9 KB)

07. Prohibitions Relating to FOG (128.3 KB)

08. Best Management Practices (71.9 KB)

09. Kitchen Best Practices Management (246.3 KB)

10. Managing Food Materials (71 KB)

11. Food Service Waste Reduction (72.9 KB)

12. Restaurant Oil and Grease Rendering (213.7 KB)

13. Grease Interceptors (216.7 KB)

14. Design Guidelines for Grease Interceptors (123.7 KB)