Title | Date | Size | Description | |
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Y2 St Vrain Hydraulics TSDN (no models) | 01/18/2019 | 299.42 MB | The Hydraulics deliverable (technical support data notebook) contains a project narrative, spatial database (containing FIRM layers), and stream-specific data and models. Due to file size, the stream-specific data and models are not posted online, but are available upon request. This TSDN was approved by FEMA on 1/18/19; therefore, these data are available for public use. Please note that the floodplains included in this deliverable have not been fully processed/refined, which will occur during the floodplain mapping stage. The attached zip folder is ~290 MB |
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Y2 St Vrain Hydraulic Models | 03/04/2021 | 57.75 MB | The attached zip folder has Year 2 hydraulic models for Fourmile Canyon Creek, Fourmile Creek, Geer Canyon, Gold Run, James Creek, Left Hand Creek, and North St. Vrain Creek. These models accompany the hydraulics TSDN. The download is ~55 MB. |
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Y2 South Platte Hydraulics TSDN (no models) | 11/12/2018 | 447 MB | The Hydraulics deliverable (technical support data notebook) contains a project narrative, spatial database (containing FIRM layers), and stream-specific data and models. Due to file size, the stream-specific data and models are not posted online, but are available upon request. This TSDN was approved by FEMA on 10/15/18; therefore, these data are available for public use. Please note that the floodplains included in this deliverable have not been fully processed/refined, which will occur during the floodplain mapping stage. The attached zip folder is ~450 MB |
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Y2 South Platte Hydraulic Models | 03/04/2021 | 94.65 MB | The attached zip folder has the CHAMP Year 2 hydraulic models for the South Platte River from Weld County to the Colorado-Nebraska state line. These models accompany the hydraulics TSDN. The download is ~90 MB. |
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Y2 Big Thompson Hydraulic Models | 03/04/2021 | 47.14 MB | The attached zip folder has Year 2 hydraulic models for the Big Thompson River, Black Canyon Creek, Cedar Creek, Dark Gulch, Dickson Gulch, Dry Creek, Dry Gulch, Fall River, Fish Creek, Fox Creek Long Gulch, Noel's Draw, Quillan Gulch, and West Creek. These models accompany the hydraulics TSDN. The download is ~45 MB. |
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Y2 Big Thompson HUC-8 Hydraulics (no models) | 11/12/2018 | 338.74 MB | The Hydraulics deliverable (technical support data notebook) contains a project narrative, spatial database (containing FIRM layers), and stream-specific data and models. Due to file size, the stream-specific data and models are not posted online, but are available upon request. This TSDN was approved by FEMA on 9/4/18; therefore, these data are available for public use. Please note that the floodplains included in this deliverable have not been fully processed/refined, which will occur during the floodplain mapping stage. The attached zip folder is ~350 MB |
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Y2 Big Thompson 2D Hydraulic Models (Estes Park and Loveland) | 03/04/2021 | 0 KB | Due to the large file size of the 2D models, they are not available on the website. Model files can be obtained by contacting the community. |
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Y1 St. Vrain Hydraulic Models | 03/04/2021 | 107.18 MB | The attached zip folder has Year 1 hydraulic models for Boulder Creek, Beaver Creek, Cabin Creek, Coal Creek, Dry Creek No. 2 & 3, Fourmile Canyon Creek, Middle Boulder Creek, Middle St. Vrain Creek, North Boulder Creek, North St. Vrain Creek, Rock Creek, South Boulder Creek, South Platte River, South St. Vrain Creek, St. Vrain Creek, St. Vrain Creek CLOMR, and Two Mile Canyon Creek. These models accompany the hydraulics TSDN. The download is ~45 MB. |
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Y1 St. Vrain 2D Models | 03/04/2021 | 0 KB | Due to the large file size of the 2D models, they are not available on the website. Model files can be obtained by contacting the community. |
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Y1 St Vrain Hydraulics TSDN (no models) | 01/12/2018 | 709.99 MB | The Hydraulics deliverable (technical support data notebook) contains a project narrative, spatial database (containing FIRM layers), and stream-specific data and models. Due to file size, the stream-specific data and models are not posted online, but are available upon request. This TSDN was approved by FEMA on 1/12/18; therefore, these data are available for public use. Please note that the floodplains included in this deliverable have not been fully processed/refined, which will occur during the floodplain mapping stage. The attached zip folder is ~690 MB |
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Y1 Little Thompson Hydraulic Models | 12/18/2017 | 1.18 GB | The attached zip folder has Year 1 hydraulic models for the Little Thompson River, Dry Creek, North Fork Little Thompson, and West Fork Little Thompson River. These models accompany the hydraulics TSDN. The download is ~1,150 MB. |
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Y1 Big Thompson Hydraulic Models | 03/04/2021 | 137 MB | The attached zip folder has Year 1 hydraulic models for the Big Thompson River, Buckhorn Creek, Dry Creek, Little Thompson River, North Fork Little Thompson River, West Fork Little Thompson River, and Redstone Creek. These models accompany the hydraulics TSDN. The download is ~130 MB. |
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Y1 Big Thompson HUC-8 Hydraulics TSDN (no models) | 12/18/2017 | 286.03 MB | The Hydraulics deliverable (technical support data notebook) contains a project narrative, spatial database (containing FIRM layers), and stream-specific data and models. Due to file size, the stream-specific data and models are included in two separate zip files: one for the Big Thompson River and tribs (Buckhorn and Redstone) and one for the Little Thompson River and tribs (Dry Creek, West Fork, and North Fork). This TSDN was approved by FEMA on 12/13/17; therefore, these data are available for public use. Please note that the floodplains included in this deliverable have not been fully processed/refined, which will occur during the floodplain mapping stage. The attached zip folder is ~280 MB |
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Weld County CCO Meeting Presentation | 09/11/2020 | 14.12 MB | Presentation for Weld County CCO Meeting to be held on 9/24/2020 |
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Universal Community Agreement Form | 07/16/2015 | 99 KB | Universal community agreement form to be completed and submitted by each community involved in the project. |
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Template Flood Hazard Community Notification Letter | 09/02/2016 | 31 KB | A template letter that communities can use to notify residents of changes in flood hazard information. |
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Survey Memo | 06/23/2015 | 118 KB | Memo to Colorado property owners on property access. Memo will be carried by surveyors to inform landowners about the project. |
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Study Incorporation- Data Coordination Fact Sheet for CHAMP | 03/13/2017 | 447 KB | Describes various considerations pertaining to incorporating additional studies and data into the CHAMP project. |
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South Platte Kickoff Presentation | 11/10/2016 | 4.75 MB | Presentation slides given at Greeley and Sterling South Platte Kickoff Meetings |
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South Platte CHAMP Hydrology TSDN | 05/22/2019 | 52.35 MB | Project narrative describing the South Platte Hydrology TSDN |
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September 2017 CHAMP Newsletter | 09/14/2017 | 982 KB | September 2017 Newsletter for the CHAMP Project. |
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Sedgwick_CCO_SignIn | 08/22/2019 | 98 KB | ||
Risk MAP vs CHAMP Fact Sheet | 05/24/2016 | 296 KB | Compares components or characteristics of Risk MAP projects and CHAMP |
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Regulatory Appeals Process (Spanish) | 03/29/2021 | 311 KB | Document outlining the preliminary products appeal process |
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Regulatory Appeals Process | 03/29/2021 | 300 KB | Document outlining the preliminary products appeal process |
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Q3 Meeting Minutes | 06/08/2016 | 181 KB | Notes from the 3rd Quarterly Update meeting |
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Public Meeting SOP | 02/07/2018 | 321 KB | A standard operating procedure created to provide guidance and processes on typical public meeting for CHAMP and other Colorado Mapping Efforts |
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Public Fact Sheet for CHAMP | 08/31/2017 | 556 KB | Provides information on CHAMP that the public may be interested in and addresses common questions about flood studies. |
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Proposed Hydrology Methods Map & Decision Tree | 03/22/2016 | 1.75 MB | Annotated map of proposed hydrology methods for the study streams and a decision tree |
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Project Schedule and Study Incorporation Flow Chart | 04/13/2016 | 1.87 MB | Incorporation of Ongoing Studies Decision Flowchart and a figure displaying the Hydraulic Analysis Status & Timing for Regulatory Updates |
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Morgan_CCO_SignIn | 08/22/2019 | 61 KB | ||
May 2017 CHAMP Newsletter | 05/17/2017 | 960 KB | May 2017 Newsletter for the CHAMP Project. |
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Master St. Vrain Basin Map | 09/20/2016 | 462 KB | Basin specific map for the St. Vrain basin. |
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Master Project Map | 09/20/2016 | 1.51 MB | Map of the stream segments and project area. |
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Master Little Thompson Basin Map | 09/20/2016 | 359 KB | Basin specific map for the Little Thompson basin. |
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Master Boulder Coal Creek Basin Map | 09/20/2016 | 429 KB | Basin specific map for the Boulder Coal Creek basin. |
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Master Big Thompson Basin Map | 09/20/2016 | 440 KB | Basin specific map for the Big Thompson basin. |
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July 2016 CHAMP Newsletter | 07/22/2016 | 1.86 MB | 3rd Quarterly CHAMP Newsletter |
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Hydrology Exhibit - St Vrain HUC-8 | 02/04/2016 | 7.5 MB | Presents proposed 1% annual chance flows by study source and compares to effective flows from current FIS reports. Also shows gage locations. |
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Homeowner Handout (Spanish) | 03/29/2021 | 1.43 MB | Handout for homeowners explaining implications of flood risk changes |
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Homeowner Handout | 03/29/2021 | 1.12 MB | Handout for homeowners explaining implications of flood risk changes |
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Floodplain Managers Guide to 2D Floodways | 03/16/2020 | 4.47 MB | Training material on various aspects of 2D floodways. |
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Feedback Questionnaire | 02/04/2016 | 358 KB | We value your input! |
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Fact Sheet on Flood Risk (Spanish) | 03/29/2021 | 370 KB | Answers frequently asked questions and provides resources for additional information. |
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Fact Sheet on Flood Risk | 03/29/2021 | 669 KB | Answers frequently asked questions and provides resources for additional information. |
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Estes Park Flood Risk Review Sign-In | 08/28/2017 | 82 KB | Sign-In sheet for Estes Park Flood Risk Review meeting held 8/23/2017 |
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December 2016 CHAMP Newsletter | 12/08/2016 | 436 KB | December 2016 Newsletter for the CHAMP Project. |
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December 2015 CHAMP Newsletter | 12/22/2015 | 667 KB | December 2015 Newsletter for the CHAMP Project. |
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Community Public Meeting Template | 07/20/2020 | 5.8 MB | This is a Powerpoint Presentation template for Colorado Risk MAP COMMUNITY FIRM and FIS Update public meetings. It's designed as a template and has areas to insert community/county specific information. |
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Community Outreach Expectations and Timing | 08/16/2018 | 320 KB | This memo documents the role of local jurisdictions in regards to outreach for Risk MAP projects. It includes a timeline of a typical flood risk analysis project, outreach milestones, and options/ideas to accomplish outreach. |
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Colorado Water Plan Implementation Fact Sheet | 09/01/2017 | 1.69 MB | Colorado Water Plan (CWP) Implementation Fact Sheet, September 2017. |
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Colorado Hazard Mapping Program Phase I Flyer | 08/07/2015 | 353 KB | Informational flyer on Phase I of the Colorado Hazard Mapping Program. Flyer can be used for public information. |
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CHAMP Y2 Survey TSDN (SV, BT, Platte) | 11/28/2017 | 1 GB | The attached zip file contains the full TSDN for CHAMP Year 2 survey except for photos due to file size, which can be made available upon request. This includes as-builts, correspondence, a narrative, sketches, spatial files, supplemental data, and a spreadsheet of the survey data. Survey data are included for all detailed CHAMP Year 2 streams including those in the St. Vrain Watershed, Big Thompson Watershed, and along the South Platte River. The entire download is ~977 MB. |
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CHAMP Y2 Hydro TSDN - Estes & South Platte | 03/15/2021 | 80.73 MB | This compressed zip folder contains a pdf of the project narrative describing the CHAMP Hydrology TSDN for the Estes Valley Watershed and along the South Platte River, as well as correspondence documentation, spatial files, and various spreadsheets containing supplemental data. The download is ~80 MB. |
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CHAMP Y1 Survey TSDN - St Vrain | 08/22/2016 | 4.26 MB | This compressed zip folder contains a pdf of the project narrative describing the CHAMP Survey TSDN for the St Vrain Watershed, as well as spatial files and a spreadsheet of the survey data. |
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CHAMP Y1 Survey TSDN - Big Thompson | 08/22/2016 | 4.37 MB | This compressed zip folder contains a pdf of the project narrative describing the CHAMP Survey TSDN for the Big Thompson Watershed, as well as spatial files and a spreadsheet of the survey data. |
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CHAMP Y1 Hydro TSDN - St Vrain | 03/12/2021 | 42.62 MB | This compressed zip folder contains a pdf of the project narrative describing the CHAMP Hydrology TSDN for the St. Vrain Watershed, as well as correspondence documentation, spatial files, and various spreadsheets containing supplemental data. Please email coloradohazardmapping@aecom.com to obtain additional files, such as the models and simulations. |
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CHAMP Y1 Hydro TSDN - Big Thompson | 03/12/2021 | 33.46 MB | This compressed zip folder contains a pdf of the project narrative describing the CHAMP Hydrology TSDN for the Big Thompson Watershed, as well as correspondence documentation, spatial files, and various spreadsheets containing supplemental data. Please email coloradohazardmapping@aecom.com to obtain additional files, such as the models and simulations. |
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CHAMP South Platte HEC-RAS Models | 07/16/2018 | 94.66 MB | A zip folder containing all of the HEC-RAS models along the South Platte |
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CHAMP Flood Risk Review Meeting Figure | 09/22/2016 | 1.53 MB | Shows extents of streams and meeting times for the Flood Risk Review Meetings. |
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CHAMP and CLP Comparison Map | 08/15/2017 | 2.08 MB | Map that differentiates between the CHAMP and Cache La Poudre projects in Larimer and Weld Counties. |
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Boulder CCO Sign In | 11/26/2019 | 114 KB | ||
April 2016 CHAMP Newsletter | 04/08/2016 | 694 KB | 2nd Quarterly CHAMP Newsletter |
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Approved South Platte Floodplain Mapping Submittal | 11/28/2018 | 209.68 MB | The South Platte Floodplain Mapping deliverable (technical support data notebook) contains a project narrative, spatial database (containing FIRM layers), and stream-specific data. Due to file size, depth and WSEL grids are not posted online, but are available upon request. This TSDN was approved by FEMA on 11/28/18; therefore, these data are available for public use. The attached zip folder is ~205 MB |
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Akron&Otis_CCO_SignIn | 08/22/2019 | 57 KB | ||
2D Floodway Approach Memo | 03/15/2018 | 323 KB | This memo documents how our CHAMP team calculates 2-Dimensional (2D) Floodways for Use on Regulatory Flood Insurance Rate Maps (FIRMs) and Flood Insurance Studies (FIS) |
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2D Floodplains and Floodways for Floodplain Managers | 10/25/2018 | 4.5 MB | This document reviews why 2D models should be selected for flood studies, how regulatory products (FIRM and FIS) are differerent from traditional modeling, how to use data associated with a 2D model, and any differences when managing these results. |
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2019 November Newsletter | 11/27/2019 | 675 KB | ||
2019 March Newsletter | 03/14/2019 | 1.05 MB | Newsletter documenting updates to CHAMP data, PMRs, available topo, and other related topics. |
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2019 August Newsletter | 08/12/2019 | 931 KB | ||
2018 February Newsletter | 02/13/2018 | 1.04 MB | Our 7th newsletter |