Colorado Reservoirs

Water Levels Capacity Storage
September 21 2023


colorado Reservoir Report

September 21 2023


The history of reservoirs and dams in the USA is closely tied to the country's development and growth. Major river systems like the Colorado, Columbia, and Missouri have been extensively dammed to provide water for irrigation, hydropower, flood control, and recreation. Many of these dams were constructed in the mid-20th century, during a period of rapid infrastructure development, and have since played an essential role in the country's economy and society.

The US has a vast network of dams and reservoirs, with over 90,000 dams across the country, including 2,500 major dams. Many of these dams are located on major river systems, such as the Colorado River, where they have significant hydrological impacts on the river's flow and ecosystem. Dams can also have important climatic impacts, influencing the amount of water available for irrigation, and potentially affecting regional climates. For example, the construction of large reservoirs in arid regions like the Colorado River basin can lead to increased evaporation rates, reducing the amount of water available for other uses. Additionally, climate change may exacerbate existing hydrological and climatic concerns, potentially leading to more frequent and severe droughts and floods in certain regions.

Location Observation 24hr Change (%) Percent Normal (%) Elevation (ft)
Teller Reservoir Near Stone City
Colorado ID 07099233
-999,999 ft None None 5477.96
Trinidad Lake Near Trinidad
Colorado ID 07124400
6,187 ft 0 100 6233.53
John Martin Reservoir At Caddoa
Colorado ID 07130000
3,806 ft 0 100 3837.56
Wolford Mtn Reservoir Nr Kremmling
Colorado ID 09041395
7,483 ft 0 100 7500
Rifle Gap Reservoir Near Rifle
Colorado ID 09091900
5,947 ft 0 100 5908.49
Vega Reservoir Near Collbran
Colorado ID 09096100
7,959 ft 0 100 7990.25
Taylor Park Reservoir At Taylor Park
Colorado ID 09108500
9,315 ft 0 100 9333.39
Silver Jack Reservoir Near Cimarron
Colorado ID 09125800
8,855 ft -0.01 100 8796
Crawford Reservoir Near Crawford
Colorado ID 09129550
6,526 ft -0.01 100 6549.99
Paonia Reservoir Near Bardine
Colorado ID 09131495
6,399 ft -0.02 100 6448.48
Fruit Growers Reservoir Near Orchard City
Colorado ID 09143600
5,467 ft -0.01 100 5473.55
Ridgway Reservoir Near Ridgway
Colorado ID 09147022
6,846 ft 0 100 6871
Vallecito Reservoir Near Bayfield
Colorado ID 09353000
7,627 ft 0 100 7652.24
Lemon Reservoir Near Durango Co
Colorado ID 09362800
8,105 ft -0.01 100 8160.22
Cucharas Reservoir
Colorado ID 100001
59 acre-ft 0 48 5776.17
Dillon Reservoir
Colorado ID 100002
242,307 acre-ft -0.14 100 9021.13
Marys Lake
Colorado ID 100003
645 acre-ft -3.18 89 8064.03
Granby Reservoir
Colorado ID 100010
493,784 acre-ft -0.17 116 8291.8
John Martin Reservoir At Caddoa
Colorado ID 100017
24,452 acre-ft -1.47 27 3837.6
Pueblo Reservoir Near Pueblo
Colorado ID 100031
219,591 acre-ft -0.2 152 4850
Ruedi Reservoir Nr Basalt
Colorado ID 100032
86,615 acre-ft -0.27 98 7533.51
Olympus Dam At Estes Park
Colorado ID 100038
2,394 acre-ft 1.15 94 7466.02
Shadow Mountain Reservoir
Colorado ID 100049
16,955 acre-ft 0 99 8365
Williams Fork Reservoir
Colorado ID 100053
88,740 acre-ft -0.32 110 7736.45
Carter Lake
Colorado ID 100065
107,202 acre-ft -0.03 185 5766.56
Flatiron Reservoir Nr Loveland
Colorado ID 100081
547 acre-ft 2.22 99 5486
Green Mountain Reservoir
Colorado ID 100089
127,233 acre-ft -0.9 104 7960
Horsetooth Reservoir
Colorado ID 100091
122,081 acre-ft -0.35 149 5429.68
Meredith Reservoir (Content)
Colorado ID 100100
31,402 acre-ft -0.31 200 4254.06
Pinewood Reservoir
Colorado ID 100113
849 acre-ft -2.86 49 6570.33
Willow Creek Reservoir
Colorado ID 100118
8,753 acre-ft 0.48 100 8130
Homestake Reservoir
Colorado ID 100120
34,767 acre-ft 0.02 91 10396.22
Grand Lake
Colorado ID 100156
836 acre-ft 0 106 8380.79
Turquoise Lake At Sugarloaf Dam Near Leadville Co
Colorado ID 100163
84,985 acre-ft -0.61 83 9747
Mount Elbert Forebay
Colorado ID 100257
7,597 acre-ft -4.14 92 9650
Twin Lakes Reservoir
Colorado ID 100275
125,142 acre-ft 0.74 111 9169.52
Dillon Reservoir
Colorado ID 1998
242,307 acre-ft -0.14 100 9023
Granby Reservoir
Colorado ID 1999
493,784 acre-ft -0.17 116 8284
Green Mountain Reservoir
Colorado ID 2000
127,233 acre-ft -0.9 104 7940
Ruedi Reservoir
Colorado ID 2002
86,615 acre-ft -0.27 98 7749
Shadow Mountain Reservoir
Colorado ID 2003
16,955 acre-ft 0 99 8372
Williams Fork Reservoir
Colorado ID 2005
88,740 acre-ft -0.32 110 7808
Platoro Reservoir
Colorado ID 2688
36,588 acre-ft -0.17 184 9972
Lake Nighthorse
Colorado ID 3083
112,864 acre-ft -0.04 110 6891
Taylor Park Reservoir
Colorado ID 912
79,398 acre-ft -0.39 106 9321
Blue Mesa Reservoir
Colorado ID 913
656,131 acre-ft -0.33 106 7304
Morrow Point Reservoir
Colorado ID 914
110,574 acre-ft -0.08 100 7052
Crystal Reservoir
Colorado ID 915
16,321 acre-ft -0.02 105 6758
Vega Reservoir
Colorado ID 924
15,686 acre-ft -1.26 159 7986
Vallecito Reservoir
Colorado ID 933
64,944 acre-ft -1.04 109 7613
Lemon Reservoir
Colorado ID 934
17,866 acre-ft -0.77 97 8150
Jackson Gulch Reservoir
Colorado ID 935
5,236 acre-ft -1.04 111 7844
Silver Jack Reservoir
Colorado ID 939
1,178 acre-ft -16 28 8934
Paonia Reservoir
Colorado ID 945
3,222 acre-ft -7.74 110 6450
Ridgway Reservoir
Colorado ID 948
58,973 acre-ft 0.13 94 6861
Crawford Reservoir
Colorado ID 951
5,973 acre-ft -1.51 150 6565
Fruitgrowers Reservoir
Colorado ID 955
251 acre-ft -9.72 38 5475
Mcphee Reservoir
Colorado ID 958
315,011 acre-ft -0.16 123 6760
Rifle Gap Reservoir
Colorado ID 961
8,869 acre-ft -0.76 174 5943

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Largest Reservoirs

By water storage capacity

The USA is home to many of the largest dams in the world, providing essential services such as water storage, hydropower generation, and flood control. Among them, Oroville Dam stands out as the tallest dam in the United States, located in northern California. Another famous dam is the Hoover Dam, located on the Colorado River between Arizona and Nevada. It is a major tourist attraction and an engineering marvel of the modern era, providing hydropower and water storage for millions of people.

Other notable dams in the USA include the Glen Canyon Dam in Arizona, which is the second-highest concrete arch dam in the country, and the Grand Coulee Dam in Washington, which is the largest electric power-producing facility in the USA. These dams are a critical component of the country's infrastructure, providing essential services for the economy, society, and the environment.

Reservoir Storage Capacity (acre-ft)
Blue Mesa Reservoir
Colorado ID 913
656,131 acre-ft

Drought Levels

By water storage capacity

The number and distribution of dams and reservoirs in the USA have been significantly impacted by climate change. The changing climate has led to changes in precipitation patterns, increased evaporation rates, and more frequent and severe droughts and floods in certain regions. These factors have influenced the management and operations of dams and reservoirs across the country.

Reservoir Storage Capacity (acre-ft) Percent of Normal (%)

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