The Water Desk at the School for Environmental Journalism at the University of Colorado, Boulder.

Upper Colorado River Resource Guide

Lake Powell water level information

Mountain Buzz flow chart

NRCS: Snowpack chart

USGS: Map of real time streamflow conditions in Colorado

USGS: Table of real time Colorado streamflows

USGS: List of USGS links for Colorado headwaters

USGS: Roaring Fork watershed links

USGS: Eagle River watershed links

USGS: Blue River watershed links

USDA snowpack graphics

Bureau of Reclamation

A view from the Pitkin County end of Homestake Reservoir, located on Homestake Creek, a tributary of the upper Eagle River. Credit: Brent Gardner-Smith/Aspen Journalism

Div. 5 Water Court

Div. 5 Division Engineer

Colorado Dam Safety

The building, in Denver, that houses the CWCB. Credit: Brent Gardner-Smith/Aspen Journalism

Colorado Water Conservation Board (CWCB)

CWCB: Past meeting agendas

CWCB: Colorado’s Water Plan

CWCB: Colorado River Basin Roundtable (CBRT)

CBRT: Colorado River Basin Implementation Plan

CBRT: Colorado River basin roundtable membership list, from Aspen Journalism

Arkansas River Basin Roundtable

Gunnison River Basin Roundtable

South Platte River Basin Roundatble

Metro Basin Roundtable

Yampa White Green River Basin Roundtable

Rio Grande River Basin Roundtable

A view of red canyon, just south of Glenwood Springs, from the Roaring Fork River on May 13, 2015. Credit: Jeremy Wallace / The Aspen Times

Colorado River District

Grand Valley Water Users Association

Northwest Council of Governments

Colorado Water Congress

Front Range Water Council

Aspen Consolidated Sanitation District

City of Aspen

Snowmass Water and Sanitation District

Basalt Water Conservancy District

Ruedi Water and Power Authority

Eagle River Water and Sanitation

Eagle River Watershed Council

West Divide Water Conservancy District

Ute Water Conservancy District

Clifton Water

Grand County Water and Sanitation

Winter Park Water and Sanitation District

Upper Blue Sanitation District

Silt Water Conservancy District

Bluestone Water Conservancy District

Collbran Water Conservancy District

Middle Park Water Conservancy District

Upper Yampa Water Conservancy District

The diversion structure for the Maybell Canal on the Yampa River east of Maybell. The ditch has been working to reduce diversions after the division engineer found it was diverting more water than it needed. Credit: Brent Gardner-Smith/Aspen Journalism

Northern Water

Northern: West Slope water data

Northern: Reservoir data

Denver Water

Aurora Water

Colorado Springs Utilities

Southeastern Water Conservancy District

Twin Lakes Reservoir and Canal Company

Part of a trans mountain diversion structure on a tributary in the upper Fryingpan River. Credit: Brent Gardner-Smith / Aspen Journalism

Adams Tunnel

Roberts Tunnel

Moffat Tunnel

Bousted Tunnel

Twin Lakes Tunnel

Homestake Tunnel

Grand River Ditch

Continental Hoosier Tunnel

Busk-Ivanhoe Tunnel

Wurtz Ditch

The crest of the dam across the Fryingpan River that forms Ruedi Reservoir, which can hold 102,373 acre-feet of water. Credit: Photo: Courtesy of Bureau of Reclamation

Granby Reservoir

Dillon Reservoir

Green Mountain Reservoir

Ruedi Reservoir

Williams Fork Reservoir

Wolford Mountain Reservoir

Homestake Reservoir

Vega Reservoir

Shadow Mountain Reservoir

Rifle Gap Reservoir

Willow Creek Reservoir

Grass Valley Reservoir

Clinton Gulch Reservoir

Eagle Park Reservoir

Largest Reservoirs in Colorado

A beaver dam on lower Lincoln Creek, in 2011. Credit: Brent Gardner-Smith/Aspen Journalism

Colorado Mesa University Water Center

Colorado River Outfitters Association

Colorado Trout Unlimited

Western Resource Advocates

American Rivers

The Government Highline Canal is managed by the Grand Valley Water Users Association, and serves as a major source of irrigation water in the Grand Valley. Credit: Brent Gardner-Smith/Aspen Journalism

Cameo call flows

River gages:

Flows in Colorado River at Cameo

Flows in Plateau Creek at Colorado River

Flows in the 15-mile reach below Palisade

Flows in Government Highland Canal

Flows in Grand Valley Irrigation Canal

Flows in Orchard Mesa Canal System

The Grottos, in the upper Roaring Fork River basin. Credit: Brent Gardner-Smith/Aspen Journalism / Aspen Journalism

Roaring Fork flows and info

Flows at Shoshone

Flows in Roaring Fork at Glenwood

Flows in Roaring Fork through Aspen, at Mill St.

Flows in Roaring Fork through Aspen

Roaring Fork watershed gages

Roaring Fork gage chart scan

Roaring Fork River basin flows

Roaring Fork watershed gage map

A view of the Dolores River below Slickrock. Credit: Brent Gardner-Smith/Aspen Journalism

Dolores River flows

Basin Maps

The Colorado River basin and its context in the West.

Transmountain diversions in Colorado, by size

River basins in Colorado.

The Upper Colorado River basin, within Colorado, including the Gunnison River basin.

The upper Colorado River basin, within Colorado, including the Gunnison basin.

A map showing water facilities in the upper Colorado River basin. Credit: USGS

The Upper Colorado River basin, within Colorado, aka Div. 5

Upper Colorado River above Grand Junction, aka Div. 5

Upper Colorado River basin map

Grand Valley consumptive use map, CBRT draft BIP

Middle Colorado sub region per CBRT BIP

Roaring Fork sub region, CBRT BIP

Roaring Fork River watershed

Eagle River sub region per CBRT BIP

Eagle River basin.

State Bridge sub region per CBRT BIP

Summit County sub region, CBRT BIP

The Blue River basin.

Grand County sub region per CBRT BIP

The headwaters of the upper Colorado River.

Brent Gardner-Smith, the founder of Aspen Journalism, and who served as AJ’s executive director until August 2021 and as editor from 2011-2020, is the news director at Aspen Public Radio. He's also been...