Join us in the back-country wilderness for a journey filled with beautiful sights that are photographic and artistic sketching opportunities. Our journey begins in the afternoon. We will be deep in a…

Ready for a workout? Forget the gym for the day and head outside! Join us for an exhilarating morning fitness hike on the paved Hicks Haul Road in OC Parks’ Irvine Ranch Open Space. This hike allows…

Come enjoy a fast-paced early morning hike in Fremont Canyon Nature Preserve, part of OCParks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon, past an abandoned…

Looking for a way to give back to Nature this Winter? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is…

Limestone Canyon is a treasure waiting to be discovered. Join us for an early evening, moderately-paced, 5.5-mile beginning cardio hike. The hike may include a few short rest stops along the way and…

Spend the morning watering and nurturing Tecate Cypress trees and Coast Live Oak seedlings at the Fremont Staging area. Please be aware that you may be instructed to use tools for this activity…

What Is the Aboveground Storage Tank Act? The Aboveground Petroleum Storage Act-APSA applies to businesses with a total storage capacity at any one site of more than 1,320 gallons of petroleum…

Hazardous Materials Business Emergency Plan (HMBEP) All Certified Unified Program Agencies (CUPAs), Participating Agencies (PAs), and regulated businesses in the state of California must submit…

PRE-REGISTRATION is REQUIRED for this event.  All participants are required to have the confirmation email either on their phone or have a printed copy to show through the window of…

The Environmental Health Division implements the Hazardous Waste Inspection Program throughout Orange County. The purpose of this program is to ensure that all hazardous wastes generated by…