Hiking: North Shore picnic area (trailhead to Rocky Point), South Side Dam, Miramonte picnic area and Osprey Point (trailhead), to South Boulder Creek inlet. This short video summarizes Denver Water’s community commitments based on years of study and robust outreach to Gross Reservoir neighbors. Denver Water, as the city’s main water supply company is called, operates four collection systems to capture water for the city, three of which collect water from the western slope of the Continental Divide, using the watersheds of the Fraser, Williams Fork, and Blue Rivers. The reservoir was built to store water from the West Slope traveling through the Moffat Tunnel and from South Boulder Creek. A safety project at the Osprey Point boat ramp will force closures of some areas. Find out what projects we're doing to improve our system. Aging outlet works at base of Denver Water dam call for major upgrade to valves, pipes. Pets are not permitted to enter the water. Denver Water wants to raise the dam at Gross Reservoir More From KMGH Denver, CO UP NEXT. When complete, Gross Reservoir will be able to hold 119,000 acre-feet, second only to Dillon Reservoir in Summit County, which is capable of holding just north of 257,000 acre-feet. The project to add 113 feet to the existing Gross Reservoir dam will make it possible to store 119,000 acre-feet of water, or 38.8 billion gallons, there. Please give us feedback. Gate on south dam road subject to being opened and closed by Denver Water staff. Provide funding towards Colorado Parks and Wildlife’s cutthroat trout habitat projects to protect and restore native trout populations. Boating: Friday of Memorial Day weekend to Sept. 30, West side U.S. Forest Service closes late fall to early spring. Image credit: Denver Water. Osprey Point, the Inlet Trail and the Miramonte Picnic Area will be closed the week of Nov. 30 because of safety project. Protect raptor species, fight invasive species, relocate rare plant species and responsibly remove trees and brush in the reservoir’s expanded footprint. Gross Reservoir was completed in 1954 and named for Denver Water former Chief Engineer Dwight D. Gross. No household waste, hazardous materials or materials not from the reservoir site may be placed in any Denver Water waste receptacle. Take Flagstaff Road west until it turns into Gross Dam Road. Boating: Car-top non-motorized boating only, allowed on the Friday of Memorial Day weekend through Sept. 30. Gross Dam was built in the early 1950s and was designed to be expanded in the future to increase water storage capacity. General Information: Gross Reservoir (440 surface acres) is a storage reservoir owned and operated by Denver Water. Prohibited: Firearms, fireworks or any projectile weapons of any kind. Complete a stream restoration project on the Williams Fork River. For more information call. Picnicking: Limited picnicking is now available, though larger picnic area shelters located on the east side of the reservoir are closed until further notice. Good for drivers, bad for the Fraser River, Keep it cool: Good for the Fraser River and its trout, Searching for solutions to help trout keep their cool, Gross Reservoir Expansion Proposal Presents Water Demand, Environmental Concerns. To ensure public safety, this area including the Inlet Trail and Miramonte Picnic Area will be closed to the public while work is performed over the next three weeks, weather dependent. The outlet works are a critical part of any big dam. Construct and maintain sediment pond on Berthoud Pass to keep the Fraser River bottom clean. The Gross Reservoir Expansion Project is a major component of Denver Water’s long-term, multi-pronged approach to deliver safe, reliable water to the more than 1.5 million residents in our service area today and many of the projected millions who will call Colorado home in the decades to come. See recent headlines. The trail offers a number of activity options and is accessible year-round. Length 5.2 miElevation gain 980 ftRoute type Out & back The intersection has the Coal Creek Canyon Improvement Association Hall and United Power offices. If you have questions, please contact us. Gross Reservoir Dam Project now subject to local 1041 review. You can go fishing, hiking, camping, paddling and picnicking here; take out a boat, too, but no motors allowed. Named for Denver Water former Chief Engineer Dwight D. Gross, the reservoir was completed in 1954. The application is currently under review. This raise will be constructed with a construction method known as a downstream buttress, which will use the existing dam as formwork. Gross Dam is a 340 foot tall concrete gravity dam. Snagging kokanee permitted Sept. 1 to Jan. 31 only. Ice fishing when conditions permit. All fires are subject to county bans. Convey approximately 540 acres of land near the Moffat Tunnel to the U.S. Forest Service for permanent protection and management as part of the National Forest System. You can reach the reservoir two ways: the first is to drive up Baseline until it turns into Flagstaff Road, follow Flagstaff until you reach the Gross Reservoir Road, this will take you to the dam. Sign up to receive Denver Water’s weekly TAP Headlines. Construct a fish ladder on Cabin Creek in Grand County. Gross Reservoir, with 440 acres of surface area, nestles among low mountains in the Front Range southwest of Boulder. With a construction method known as a downstream buttress, which will the! 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