ASDSO Dam Safety Toolbox

Colorado

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In Colorado, dams are regulated by the Colorado Department of Natural Resources; Division of Water Resources; Dam Safety Program. Learn more at their website: https://dwr.colorado.gov/services/dam-safety and ASDSO's state program summary page ASDSO Colorado Page

Colorado Dam


Statutes

Lexis Nexis Public Access to Colorado Revised Statutes (CRS)

  • CRS Title 37, Article 87 governs Reservoirs
  • CRS 37-87-105 regulates the construction of new dams, and modification, repair or enlargement of existing dams
  • CRS 37-87-107 provides the authority to the State Engineer to set the safe storage level of all reservoirs in the state
  • CRS 37-80-102 provides the State Engineer with the authority to promulgate Rules for the regulation of Dams in accordance with the requirements of CRS 24-4-103

Rules

2-CCR 402-1 "RULES AND REGULATIONS FOR DAM SAFETY AND DAM CONSTRUCTION" January 1, 2020

Guidance Documents

Guidelines for Conduit Installation and Breaching at Low Hazard Dams, Jan 8, 2021

Guidelines for Dam Breach Analysis, Jan 21, 2020

Guidelines for Dam Breach Analysis: Spreadsheet for Estimating Dam Breach Parameters Using the Froehlich Method, Feb 10, 2010

Guidelines for Dam Breach Analysis: Spreadsheet for Estimating Dam Breach Parameters Using the MacDonald Langridge-Monopolis/Washington State Method, Feb 10, 2010

Guidelines for Design Review, Mar 6, 2023

Guidelines for Hazard Classification, Jan 21, 2020

Guidelines for Hydrologic Hazard Analysis, Jan 21, 2020

Guidelines for Hydrological Modeling and Flood Analysis, Sep 12, 2022

Guidelines for Preparation of Subsurface Investigation Plans, Jan 21, 2020

Guidelines for the use of Regional Extreme Precipitation Study (REPS) Rainfall Estimation Tools, Jan 21, 2020

Guidelines for use of Comprehensive Dam Safety Evaluation (CDSE) Risk Assessments & Risk Informed Decision Making (RIDM), Mar 8, 2021

Guidelines for use of the Freeboard & Riprap Wind and Wave Analysis (FRWWA) Spreadsheet Design Tool, Apr 20, 2021

Trainings

YouTube tutorial videos for performing rainfall-runoff analysis in Colorado


Citations:



Revision ID: 7856
Revision Date: 03/28/2024