Residents in need of immediate assistance can visit the Disaster Assistance Center located at the Boulder County Southeast Hub, 1755 South Public Road, Lafayette, call the Boulder Office of Emergency Management at 303-413-7730 or contact a local chapter of the . The Coroner's Office is also charged with determining the cause and manner of the man's death. Boulder County, CO. All Rights Reserved. larger. Whether you're baitcasting, fly fishing or spinning your chances of getting a bite here are good. 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. 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. 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. (3) The Arnold Company Engineers. Design By Granicus - Connecting People and Government. Get directions, reviews and information for Marshall Lake in Boulder, CO. East Portal. Note that you do not have the right to enter private property without the owner's permission. Information on parking permits & fees. The most significant revelations included the four downstream slope failures, the hydraulic fill construction method used to construct the dam, the suspicion that open remnant coal mine tunnels may extend through the foundation, the poorly abandoned outlet works pipe extending through a portion of the dam, and identification of the foundation bedrock as the Laramie Formation. Lexington, KY 40508, 2023 Copyright Association of State Dam Safety Officials. If you would like more information about the water supply, please contact Cory Peterson at 303.335.4610. Many of these spots are open to public fishing. 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. Currently, Wonderland Lake is owned by the City of Boulder. The USGS (U.S. Geological Survey) publishes a set of topographic maps of the U.S. commonly To learn more about Boulders history visit the Museum of Boulder website*. 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 . Hayden Lake is a cultural feature (reservoir) in Boulder County. Marshall Lake Dam Construction Report. Your savings are federally insured to at least $250,000 and backed by the full faith and credit of the United States Government. (1983). 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. 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. 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. Supplies are conveyed under the Continental Divide to Carter Lake and the soon to be constructed Chimney Hallow Reservoir. The case number assigned to this investigation is 18-3010. Cancel/Freeze/Payroll Deduction Form Mountain Health Autodraft Form. 220. moon phase. official weather station. During the routine 2017 dam inspection, however, a review of movement monument survey data collected between 1980 and 2016 revealed minor but progressive settlement and downstream movement of the dam crest coupled with equivalent uplift and downstream movement along the interface of the upper downstream slope and stability berm. The dam performed satisfactorily thereafter until a fifth slope failure developed in 2010, this time on the upstream slope at the far north end of the dam. Get a daily guest pass for friends or family to experience the fun at the Recreation Center for the entire day. All of Louisville's water supplies are from surface water that are diverted from two watershed basins: South Boulder Creek and the Colorado River. (1948). Longitude: -105.2131331W The primary coordinates for Marshall Lake places it within the CO 80303 ZIP Code delivery area. The dam operated successfully for another 20 years until a third downstream slope failure occurred in 1942. Copyright 2001-2023 Lake-Link Inc. All rights reserved. Cowdrey Reservoir #2 is a small body of water near the town of Superior and the larger Marshall Lake. Bicycles are allowed on Marshall Valley Trail, Coal Seam Trail, Cowdrey Draw Trail, Greenbelt Plateau Trail, and Community Ditch Trail. B o u l d e r C a nyo C.U. Marshall Lake Boulder County, CO. BE THE FIRST TO WRITE A REVIEW. 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. (1906). Todays forests in Colorado are crowded with excess vegetation which makes them vulnerable to mega-fires, drought, and disease such as bark beetles. 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. Anyone interested in fishing Marshall Lake or nearby fishing Lakes should consult with guides and other local resources before heading out to fish. . A fourth downstream slope failure developed in 1946 in the same location as the 1942 slope failure. We may have highlighted some of the best fishing spots in Boulder County based on feedback from our visitors. All of Louisvilles water supplies are from surface water that are diverted from two watershed basins: South Boulder Creek and the Colorado River. Really hoping some of this moisture makes it down to the front range . LAKE SIZE. /s/ Cmdr. differences in elevation and topography, the historic weather at the two separate locations Dams and Public Safety. The finished dam had a 3H:1V upstream slope and 2H:1V downstream slope. On-trail riding is encouraged to protect rare plants and wildlife habitat. Copyright Locality, LLC | Privacy Policy | Terms of Use | About | Contact. U.S. Bureau of Reclamation. Latitude: 39.9466439N . The embankment settlement ultimately dropped the dam crest by roughly 17 feet along a 200-foot-long dam length over about 12 days. This failure occurred along the previously unimproved dam reach south of the outlet works alignment between stations 9+00 and 12+50. Birds of prey are frequently sighted in this area. The Laramie Formation foundation is significant because three other similar dams in the Denver Front Range share this same foundation, and each have experienced slope failures that required substantial slope stabilization repair projects. Post By: Stain420 Posted: 8/21/2008 8:06:51 AM Points: 673. (8) Caley, J.H. The map now contains brown squares outlining nearby US Topo Map quadrants. 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. National Credit Union Administration, a U.S. Government Agency. Clicking anywhere within a quandrant will display an info window with the map name, as 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. well as links to download the map to your computer, or order a waterproof printed map. Boulder, Get Current Demographic Data for Cities, Towns, and ZIP Codes, View Boundary Maps, for Cities, Towns, and ZIP Codes, Locate Physical, Cultural, and Historical Features, Colorado physical, cultural and historic features. Some reports indicate it is suitable for baitcasting, spinning or fly-fishing. Its strength degrades over time due to stress relief when disturbed by excavation and wetting and drying. Many of these spots are open to public fishing. Marshall Lake is a reservoir located just 2.2 miles from Superior, in Boulder County, in the state of Colorado, United States, near Louisville, CO. Fishermen will find a variety of fish including cutthroat trout and rainbow trout here. (1923). The exact cause of this slope failure is unclear. 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. 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. For updateson Marshall Fire Recovery, please visit theLouisville Rebuilds website. (7) Mitton, C.L. Fishing Location Type: Lake, Boulder County Lakes (197) Routine inspections of Marshall Lake Dam in the early 21st century were relatively uneventful. This website may contain affiliate links, meaning when you click the links and make a purchase, we may receive a small commission. 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. The 1921 failure, however, was initiated by an intense, widespread rain event that was reported to have filled the top 6 feet of the reservoir over a span of 3 days. Shared memberships are allowed for up to a $1000 fee, but only count as one (1) membership for rotational purposes. CO Yankee Doodle Lake. This knowledge, coupled with the recently observed and documented embankment movement near station 4+00, generated sufficient concern about the stability of the dam to warrant immediate action by the dam owner and implementation of a focused long-term monitoring program. 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. Anglers who are familiar with Marshall Lake are asked to submit reviews of the Lake. An Equal Opportunity University. Localized repairs to the damaged section of the upstream slope included reconstruction to a slightly flatter inclination and replacement of the fat clay soils with more permeable sandy material. To provide a more reliable system, Louisville is also a participant in Northern Water Conservancy Districts Colorado-Big Thompson (C-BT) project and the Windy Gap project. Poor compaction, steep abutments, and foundation discontinuities can lead to differential settlement, cracking, and failure by internal erosion. Maps, Driving Directions & Local Area Information Popular Local Resources Hotels Near Marshall Lake Nearby Cities Nearby Neighborhoods Nearby Features Marshall Lake - Location Map + Evert Pierson Kids Fishing Pond is now managed by the City of Boulder but was originally a University gravel pit, repurposed in 1949 by the Boulder Fish and Game Club, which still stocks the pond during the summer months. Technical Memorandum Marshall Dam Repairs. lower than 75% of other locations on record. For this reason, we suspect that the embankment and foundation materials may have inherently poor qualities for dam building, which may be a contributing factor in the historical slope failures and recently recorded movement at Marshall Lake Dam. Telephone: 304-696-2529. Twenty First Biennial Report. Therefore prices range greatly in the community . known as US Topo Maps. Plans and Cross Section of Marshall Lake Dam. Fishing looks to be not very active with peak fishing times around 5-7 PM. Shortly following the first reservoir fill in 1910, a rotational failure of the downstream slope developed, extending through the dam crest to the upstream slope. The reservoir level at the time of failure is unknown; however, this failure again did not result in an uncontrolled release of the reservoir. Hayden Lake: maps, driving directions and local area information. 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. 2023 Marshall University. Fishing looks to be moderately active with peak fishing times around 7-8 AM and 3-4 PM. MktoForms2.loadForm("//members.elevationscu.com", "884-BJB-408", 1323); Subscribe today and get the latest posts delivered right to your inbox. It was to be a storage facility for irrigation and drinking water, filled by the Boulder Feeder Canal and seasonal creeks and ditches. (10) Ecological Resource Consultants, Inc. (2010). This lake is 220 acres in size. 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. Marshall Reservoir Left Abutment Embankment Repairs. Early Intervention and Prevention Services, First-Time Parents (Nurse-Family Partnership), Help for Someone Abusing Drugs or Alcohol, Tobacco Education & Prevention Partnership, Hazardous Materials Management Facility (HMMF), Office of Sustainability, Climate Action & Resilience (OSCAR), Short-Term Dwelling and Vacation Rental Licensing. The nearest weather station for both precipitation and Many years of successful dam performance does not guarantee future successful performance. (1910). Hayden Lake, Boulder County, Colorado. Alternate Fishing Times: 12:00AM to 12:00AM. Planned and Requested Trail Improvements). Author: Bureau of Reclamation & U.S. Army Corps of Engineers, Author: Natural Resources Conservation Service, Author: United States Bureau of Reclamation, Association of State Dam Safety Officials 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'); The area has been part of the EPA study related to the Marshall Landfill. The Marshall fire, which spread over 6,000 acres in a matter of . Flood of 1921 Boulder Valley. Record drawings for the repair project indicate that the dam crest dropped approximately 16 feet and the failed section resembled a typical rotational downstream slope failure with mobilized material deposited at the downstream toe. Photos provided by Flickr are under the copyright of their owners. Makes it down to the front range crowded with excess vegetation which makes vulnerable. 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