Marshall Lake Dam Construction Record Drawings. According to Jansen (1983), this alternative delivery system was adopted at some sites where there was not enough water to transport materials over longer distances, which is a plausible explanation for the semi-arid Marshall Mesa region. The 75-foot-tall, 2,400-foot-long high hazard earth embankment dam had relatively flat slopes (3H:1V upstream and downstream), a 200-foot-wide downstream stability berm, very little discharge from the internal seepage collection drains, a reasonably large outlet works pipe with multiple control points, and a recently constructed concrete-lined spillway designed to accommodate flood inflows approaching the PMF. Though the peak reservoir level reached within 3 feet of the dam crest during the rain event, the 1921 slope failure didnt lead to an uncontrolled loss of the reservoir because the 48-inch-diameter outlet works flow capacity was sufficient to lower the reservoir at about the same rate as the embankment settlement was developing. (4.9 miles WSW) Liggett, CO (5.5 miles E) Marshall, CO (5.6 miles S) Silver Spruce, CO (6.3 miles WSW) El Vado, CO (6.3 miles WSW) Salina, CO (7.2 miles W) Ninemile . These maps are seperated into rectangular quadrants that are Locality Latitude Longitude Distance Bearing; Cracker Jack, Boulder Co., Colorado, USA: 39 57' 16" N: 105 12' 55" W: 0.9km (0.6 miles) Sunday Tungsten (Chance . Flood of 1921 Boulder Valley. The stability berm was constructed only in the embankment reach to the north of the outlet works (stations 2+50 to 8+00). A subsequent limited geotechnical investigation in this area (also the first documented geotechnical investigation performed at this dam) revealed poorly consolidated clayey soils with very low soil strength parameters and suggested that the soils were behaving in a fully-softened condition. Getting help. Bicycles may be ridden only on those trails that are posted with the international bicycle symbol. The rumors are, that these are private lakes and you can fish there if you are a member of some type of "club." 1777 Broadway higher than 53% of other locations on record. This case study summary was peer-reviewed by Alon Dominitz, P.E., NY Department of Environmental Conservation. The 1922 construction also included an attempt to improve the abandonment of the original outlet works pipe, as the design engineer identified the original abandonment as inadequate; however, the 1922 pipe abandonment efforts remain woefully inadequate by modern standards. Please enable JavaScript in your browser for a better user experience. In the early 1900's the city realized that it would need to secure more drinking water sources if the area was to support a thriving town. In its early days, swimmers and bathers frequented the lake, but now only limited fishing is allowed. Todays forests in Colorado are crowded with excess vegetation which makes them vulnerable to mega-fires, drought, and disease such as bark beetles. Lexington, KY 40508, 2023 Copyright Association of State Dam Safety Officials. Horses are allowed on most trails. Cost: Memberships are up to $5000 for the first year, and up to $3500 for each additional year. Sign-up to receive Emails or SMS/Text Messages on a variety of subjects. (1943). Get a daily guest pass for friends or family to experience the fun at the Recreation Center for the entire day. Marshall Lake is a cultural feature (reservoir) in Boulder County. The USGS (U.S. Geological Survey) publishes a set of the most commonly used The caretaker lived on-site and provided daily visual observations of the dam and collected weekly readings of the dam safety instrumentation, which fluctuated predictably with the reservoir fluctuations. Woodland Lake. (2) Baker, G.R. Because the nearest station and this geographic feature may have Privacy Policy. Contributed By: Ryan Schoolmeesters, P.E. High winds are common in Colorado and even brush fires are known to happen in Boulder in December, although they aren't common. y Canyon Mapleton Ave. Arapahoe y Broadway h h. y F l a g s t a f f R d . Copyright 2023. Maps, Driving Directions & Local Area Information Popular Local Resources Hotels Near Marshall Lake Nearby Cities Nearby Neighborhoods Nearby Features Marshall Lake - Location Map + Marshall Fire: Disaster assistance center opens to aid residents. Parking is available with a parking fee. Post By: Stain420 Posted: 8/21/2008 8:06:51 AM Points: 673. Boulder, Colorado Marshall Lake Baseline Reservoir Valmont Reservoir 128 93 119 36 36.. South Boulder Rd. To the east, Coal Creek . This website may contain affiliate links, meaning when you click the links and make a purchase, we may receive a small commission. A as ACT s.w. Cancel/Freeze/Payroll Deduction Form Mountain Health Autodraft Form. Lots are also generally larger in this area. Dam crest and upstream slope damage of Marshall Lake Dam in 1946(Photo source: the Colorado State Engineers Office, Marshall Lake Dam Archives). Did you know that your credit union has its own foundation? Many of these spots are open to public fishing. Hayden Lake: maps, driving directions and local area information. Many of these spots are open to public fishing. The downstream slope was reconstructed to 3H:1V following roller-compacted earth fill techniques, and included a 4-foot-thick gravel chimney filter rising to within 20 feet of the dam crest with an 8-inch tile seepage collection drain pipe. There are two temporary restrooms (one is ADA accessible) located where the restroom was before the Marshall Fire. Learn about bringing your dog to OSMP. Detectives from the Sheriff's Office, along with medical investigators from the Boulder County Coroner's Office, investigated the man's death at the scene. This event was isolated to the upstream slope (no impact to the dam crest) and was attributed to a rapid drawdown condition despite the reservoir having been drawn down at this same rate (about 0.25 feet per day) for many years prior. 239 S. Limestone Street The original 24-foot-tall dam was raised by roughly 25-feet from the downstream side in 1907. The body was preliminarily identified as a 51-year-old Boulder man. Its true. Estes, Larimer Estes South, Larimer Flatiron Res., Larimer Groundhog Res., Dolores Isabel, Custer Lake of Glass, Larimer Lake Thomas, Weld Marshall Lake, Boulder McPhee Res., Montezuma Miramonte Res., San Miguel . Woman Creek Dam and Reservoir Rehabilitation Design Report. U.S. Bureau of Reclamation. Many years of successful dam performance does not guarantee future successful performance. Supplies are conveyed under the Continental Divide to Carter Lake and the soon to be constructed Chimney Hallow Reservoir. Critical Trail Connections There are four Boulder Valley Comprehensive Plan (BVCP) proposed connections in the area (see Map 3. The comprehensive detailed historical review of Marshall Lake Dam revealed information not previously known by the current consulting and regulatory dam engineers responsible for oversight of this dam. These supplies provide a secondary source that is derived from the Upper Colorado River. They allow the local houses and their guests to use the lake out of courtesy and a small fee. (7) Mitton, C.L. This lake is 220 acres in size. The Marshall Recreation Center offers a wide variety of memberships from Marshall Alumni to Marshall Employee, as well as to the Marshall community. Illuminate Your After-Sundown, Outdoor Adventures with Rapala's R12 Lithium Spotlight Lantern, Locate Fish Faster Through the Ice with Intuitive Technology from Humminbird, 23 for 2023: Make This Your Best Fishing Year Ever, Die-Hard Live-Bait Anglers Will Love Rapalas New R12 Lithium Aerator. Between January 2014 and June of 2015 there were 11 properties sold in the community. When needed, water from these locations is delivered to Louisville by means of the Southern Water Supply Pipeline (SWSP). known as US Topo Maps. Mobile Resources. Alternate Fishing Times: 12:00AM to 12:00AM. Its strength degrades over time due to stress relief when disturbed by excavation and wetting and drying. Don't show this message again Email: lawson129@marshall.edu. Boulder County Streams (53). This slope failure was notably less significant than the previous failure in this location, dropping the dam crest by 2 feet in a 200-foot-wide reach, but was sufficient to prompt extension of the 1922 stability berm to the south of the outlet works alignment. Marshall Lake is a cultural feature (reservoir) in Boulder County. 80302, 2023 City of Boulder. Credit card payments are allowed with a small fee to cover the merchant charges. Routine inspections of Marshall Lake Dam in the early 21st century were relatively uneventful. The information revealed during the comprehensive review provided a better understanding of the embankment construction methods, highlighted the long history of embankment instability, and revealed outstanding and unresolved dam safety concerns. When the weather is nice, its great to exercise outside and take advantage of the fresh air. This failure occurred along the previously unimproved dam reach south of the outlet works alignment between stations 9+00 and 12+50. Deputies, along with medical personnel, responded to the scene and confirmed the man was deceased. Coordinator of Member & Guest Services. But when the weather conditions get too hot, cold or wet, the Rec Center has your back! An Equal Opportunity University. |, Best Practices - Probability Stability Analysis, Best Practices - Embankment Slope Instability, Engineering Field Handbook - Elementary Soil Engineering, Design Standards No. The GPS coordinates for this Lake are 39.9466439 (latitude), -105.2131331 (longitude) and the approximate elevation is 5,689 feet (1,734 meters) above sea level. The exact cause of this slope failure is unclear. Is Marshall Lake open to fishing, and if so, what can you catch there? sunset tomorrow. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[580,400],'fishingworks_com-medrectangle-4','ezslot_2',118,'0','0'])};__ez_fad_position('div-gpt-ad-fishingworks_com-medrectangle-4-0'); 2023 Elevations Credit Union. A typical Louisville home uses about 0.4 acre-feet per year. Marshall Lake, Baseline Lake, what's the deal? if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[336,280],'fishingworks_com-large-leaderboard-2','ezslot_6',116,'0','0'])};__ez_fad_position('div-gpt-ad-fishingworks_com-large-leaderboard-2-0');Above is a map and a list of the lakes in Boulder County, . The GNIS Feature Detail Report for Marshall Lake does not include property ownership information. Without the comprehensive review, the minor dam crest depression and embankment movement might have continued to be brushed aside as a normal nuisance condition, which might have paved the way for another, and potentially more devastating, slope failure at Marshall Lake Dam. NMLS # 717246. Choose which topics youd like to receive updates on and start enjoying everything from tips on managing your finances to stories from our community. A pedestrian gate on Marshall Road near S. 66th has promoted undesignated trails. The trailhead is located just east of the intersection of Highway 93 and Marshall Road. Similar to the 1921 failure, the 1942 failure occurred following a moderately heavy rain event; however, no association between the rain and the failure is made in the historical records. Dogs must be on a hand-held leash at all times unless they meet the voice and sight control standard and display a City of Boulder Voice and Sight tag. Marshall Lake Dam was originally built around 1885 to provide water supply for some of the original coal miners on the Marshall Mesa just south of Boulder, Colorado. Coordinator of Member & Guest Services An acre-foot is a measurement of volume that equates to approximately 326,000 gallons. Clicking anywhere within a quandrant will display an info window with the map name, as Learn more about riding your horse on OSMP. BUY A COLORADO FISHING LICENSE. So you can see the range! Boulder, Boulder Button Rock, Boulder Chatfield, Douglas . The nearest weather station for both precipitation and along Coal Creek and Marshall Lake. All rights reserved. For years I've lived in Boulder and I've heard rumors about Marshall Lake and Baseline Lake. 5:35PM. Processed claystone also makes a relatively low strength compacted embankment (Deere & Ault, 2014). (1948). Telephone: 304-696-2529. (1983). Elevations Foundation was born in 2010 and Read more, As Ive mentioned in previous posts, Elevations Credit Union is committed to education and financial literacy at all life stages. Rates & Eligibility. Some reports indicate it is suitable for baitcasting, spinning or fly-fishing. The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. (1906). Specifications for the Enlargement of the Dam of Marshall Reservoir. Three picnic tables available at the trailhead. Hayden Lake is a cultural feature (reservoir) in Boulder County. 13: Embankment Dams - Chapter 13, Association of State Dam Safety Officials. Local Government Government Departments Public Works. Sometimes, water is conveyed from the reservoir via the Cowdrey Drainage to South Boulder Creek, although most of the time, the Cowdrey Drainage is dry. This location's average precipitation levels are Members may purchase up to two (2) full memberships. Sawhill Ponds South Mesa Trail Marshall Mesa Flatirons Vista . Therefore prices range greatly in the community . In the late 1970s, a Boulder County geologist informed the Colorado State Engineers office that coal mine activity in the second half of the 19th century on the Marshall Mesa may have created tunnels extending fully through the foundation of the dam, and that these open tunnel could be the cause of past and future subsidence problems in and around the dam. If you would like more information about the water supply, please contact Cory Peterson at 303.335.4610. The movement resembled that of a rotational slope failure and, perhaps not coincidentally, was most significant near station 4+00 where the persistent dam crest depression had been observed. On-trail riding is encouraged to protect rare plants and wildlife habitat. (1910). No further mention of the historical coal mines occurs in the Colorado State Engineers records. Below are weather averages from 1971 to 2000 according to data gathered from the nearest However, it quickly became a recreational site for swimming, boating, volleyball and picnicking. Further research into this concern was conducted over the following few years until a Phase 1 Inspection by the U.S. Army Corps of Engineers in 1980 essentially discredited these concerns, concluding that the mine tunnels, if they exist at all, would be too deep and not likely to have contributed to past slope failures. 20460 NOTES The Marshall Landfill, located three miles southeast of Boulder, Boulder County, CO, an 80acre active County landfill and an BOacre inactive consists of two parcels: Between 1965 and 1974, the inactive landfill accepted unstabilized landfill due north. In the winter, the lake was used for ice skating when conditions were posted as safe. Boulder Reservoir was initially constructed in 1954-55. Organization: Colorado Division of Water Resources. This slope failure was initially attributed to the solutioning of soluble salts in the embankment, and later to a leaky outlet pipe. The upstream two-thirds of the original 30-inch outlet pipe was abandoned in-place with only a minor cap on the upstream end. If you see a lake name that is duplicated within Boulder County, then try to narrow it down using the name of the USGS topo map which is usually a prominent place or . The reservoir level at the time of failure is unknown; however, this failure again did not result in an uncontrolled release of the reservoir. Copyright Locality, LLC | Privacy Policy | Terms of Use | About | Contact. Share & Bookmark, Press Enter to show all options, press Tab go to next option, Louisville Rebuilds (Marshall Fire Recovery), Bidding Opportunities/ Requests for Proposals, Lafayette-Louisville Boundary Area Drainage Improvements, Curbside Trash, Recycling & Compost Service. To the Marshall Fire allow the local houses and their guests to use Lake! Precipitation and along Coal Creek and Marshall Lake, what can you catch there cold or wet, Lake... 40508, 2023 Copyright Association of State Dam Safety Officials on managing your finances to stories our. Sold in the embankment reach to the north of the intersection of Highway 93 and Marshall Road near S. has! Of courtesy and a small fee both precipitation and along Coal Creek and Road. Continental Divide to Carter Lake and the soon to be constructed Chimney Hallow Reservoir which. Solutioning of soluble salts in the early 21st century were relatively uneventful the Upper Colorado River Coal Creek and Lake! 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