Contribute a photo Fairmont Reservoir Los Angeles County, CA Follow Share Share Fairmont Reservoir... Email Facebook Twitter Fairmont ReservoirFollow Overview Fishing Reports Guides & Tackle California Fairmont Reservoir Nearby Businesses Guides & Tackle Shops near Fairmont Reservoir Checkout local fishing businesses near Fairmont Reservoir. Add your business. Currently, no businesses are listed for Fairmont Reservoir. Be the first to add yours! Feature your Fairmont Reservoir Business here! Learn more