April 7, 2023
OF-19-01 Geology and Groundwater Resources of La Plata County, Colorado
This report extends our county-based geology and groundwater series and provides a regional overview with the general…
Search
July 23, 2021
OF-20-09 Review of the Jefferson County Water Supply Policies and Analyses for Land Development in Mountain Areas
This CGS review, requested by Jefferson County Planning and Zoning, focuses on groundwater/aquifer quality and quantity issues, and provides comprehensive…
April 6, 2021
OF-18-12 Geology and Groundwater Resources of Elbert County, Colorado
This report provides a regional overview with the general public in mind, although it contains detailed background that is beneficial…
March 4, 2021
ON-010D Colorado Groundwater Atlas (Data) – v20210304
This data package is comprised of GIS data as of 04 March 2021 as well as all tables and figures…
March 4, 2021
ON-010M Colorado Groundwater Atlas (Map) – v20210304
This map is comprised of statewide GIS data compiled as of 04 March 2021. Online GIS resource. ON-010M (Note: “Add…
January 23, 2018
OF-17-01 Geology and Groundwater Resources of Mesa County, Colorado
This report provides a regional overview with the general public in mind: it also contains detailed background that will benefit…
January 23, 2016
OF-16-04 Geology and Groundwater Resources of Chaffee County, Colorado
This report provides a regional overview with the general public in mind: it also contains detailed background that will benefit…
January 23, 2015
OF-15-10 Geology and Groundwater Resources of Douglas County, Colorado
This report provides a regional overview with the general public in mind: it also contains detailed background that will benefit…
January 23, 2015
OF-15-11 Geology and Groundwater Resources of Park County, Colorado
This report provides a regional overview with the general public in mind: it also contains detailed background that will benefit…
October 17, 2014
OF-14-09 Geologic Map of the Whitewater Quadrangle, Mesa County, Colorado
The purpose of this geologic map is to describe the geology, mineral and ground-water resource potential, and geologic hazards of…
April 29, 2014
OF-14-13 Geologic hazards derivative map of the Whitewater quadrangle, Mesa County, Colorado
This map is a derivative map created from information compiled on OF-14-09 Geologic Map of the Whitewater Quadrangle, Mesa…
May 1, 2011
WAT-2011-02 Geologic Model of the Purgatoire River Watershed within the Raton Basin, Colorado
A report prepared for the Colorado Water Conservation Board (CWCB). 54 pages, includes GIS database used in…
March 19, 2011
OF-11-03 Cross-sections of the Fresh-water-bearing Strata of the Denver Basin between Greeley and Colorado Springs, Colorado
The purpose of this publication is to provide graphic representation of the stratigraphic and structural relationships of the strata that…
March 1, 2011
WAT-2011-01 El Paso County Groundwater Quality Study: Phase 1
An initial study of groundwater resources in El Paso County, Colorado. 139 pages. Digital PDF download. WAT-2005-01D From the Executive…
March 10, 2010
MIN-2010-01 Lone Mesa State Park Mineral and Water Resource Assessment
In 2009, Colorado State Parks (now Colorado Parks and Wildlife) requested the assistance of the CGS to…
January 2, 2010
OF-10-03 Geologic Map of the Severy Creek Watershed, Teller and El Paso Counties, Colorado
The purpose of the study was to map the bedrock and surficial geology, and determine the relative age of the units…
July 15, 2009
OF-09-11 Managing Stormwater to Protect Water Resources in Mountainous Regions of Colorado
The purpose of the study was to provide the public with a useful guide to the issues surrounding stormwater runoff and…
September 2, 2005
WAT-2005-01 Turkey Creek Watershed Case Study
A detailed study of nonpoint source (NPS) pollution in the Turkey Creek Watershed in Jefferson County, Colorado. 77 pages. Digital…
January 20, 2005
PO-04 Poster – Water and Contamination in Colorado
This full-color poster illustrates how human-caused and natural water contamination occurs and how it affects Colorado’s water supply. Digital PDF…
January 20, 2005
OF-05-01 Mine Site History and Watershed Characterization of the Cinnamon Gulch Area, Dillon Ranger District, White River National Forest, Summit County, Colorado
This publication describes the history, geology and environmental setting of several mines in the Cinnamon Gulch area and characterized constituent…
July 20, 2004
EG-13 Artificial Recharge of Ground Water in Colorado: A Statewide Assessment
Groundwater aquifers can be used as reservoirs to provide increased water storage capacity in Colorado through an intentional, engineered water…
March 20, 2003
IS-66 Directory of Colorado Water Quality Data
This publication is a compendium of organizations that collect water quality data in Colorado. Includes organizational contact, geographic coverage, activities…
February 10, 2003
SP-53 Ground Water Atlas of Colorado
ED: Note that this Atlas is superseded by our current ON-010 Colorado Groundwater Atlas—a fully online…
October 1, 2002
RockTalk: Ground Water in Colorado
This edition of RockTalk is an introduction to aquifers, groundwater, and water quality in Colorado. Digital PDF download. RT-05-04D From…
October 17, 2001
FT-01-02 The San Juan Mountains of Southwest Colorado: Geology, Water Quality, Mine Remediation, and Avalanche Hazards - Field Trip Guidebook
This field trip guide accompanied the 2001 Durango GeoConference “Geology and Land Use Issues in Southwestern Colorado”, put on by…
October 11, 2001
WAT-2001-01 Geology, Mining, and Water Quality
A presentation examining the relationship between geology, mining activities, and surface water quality in Colorado. 23 pages. Digital PDF download.
October 9, 2000
FT-00-02 Geology, Water Quality, and Avalanche Hazards of the Ouray – Silverton Area, Southwest Colorado: Field Trip Guidebook
This field trip guide was part of the October 2000 Earth Science Week. PDF download. FT-00-02D…
September 22, 2000
WAT-2000-01 Scoping Report for Ground-Water Atlas of Colorado
This report contains initial scoping material related to the 2003 SP-53 Ground Water Atlas of Colorado. Digital…
May 10, 2000
OF-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado
This study (now superseded by publication B-54) describes the water quality of several areas in Colorado that show the…
April 1, 2000
RockTalk: Water Quality in Colorado
This edition of RockTalk discusses the ways in which geology can determine water quality. Digital PDF download. RT-03-02D Excerpt: Geology…