Colorado Dams

1,962 dams tracked by the National Inventory of Dams

Total Dams

1,962

High Hazard

451

23%

Poor / Unsatisfactory

119

Average Age

84 yrs

Hazard Classification

High451 (23.0%)
Significant294 (15.0%)
Low1,217 (62.0%)

Condition Assessment

Satisfactory691 (35.2%)
Fair533 (27.2%)
Poor / Unsatisfactory119 (6.1%)
Not Rated619 (31.5%)

Federal

141

State

80

Local

416

Private

1,221

Poor Condition Dams

All Dams in Colorado

Showing 11761200 of 1,217

Dam NameHeight (ft)YearHazardCondition
Bald Mountain

Gunnison County

291962LowNot Rated
Baird #1

Douglas County

181907LowFair
Bailey

Delta County

391967LowFair
Baehr

Jefferson County

111948LowFair
Badger Detention

Mesa County

311957LowUnsatisfactory
B-2

Moffat County

251960LowSatisfactory
Ault

Gunnison County

511959LowNot Rated
Augmentation Pond #6

Jefferson County

471989LowNot Rated
Aubert

Mesa County

421974LowNot Rated
Aspen Leaf

Gunnison County

301947LowNot Rated
Aspen Lake

El Paso County

251956LowSatisfactory
Aspaas

La Plata County

461980LowSatisfactory
Arwpf Lagoon No. 4

Arapahoe County

252009LowNot Rated
Arrowhead

Weld County

381962LowNot Rated
Arnold Flood Water

Huerfano County

191909LowFair
Arch Slough

Delta County

151888LowNot Rated
Aqua Fria

Jackson County

191944LowUnsatisfactory
Apache Lake Reservoir

Larimer County

201980LowSatisfactory
Antelope Dam

Jackson County

101970LowUnsatisfactory
Antelope

Grand County

401915LowSatisfactory
Antelope

Weld County

151899LowFair
Anderson Reservoir

Garfield County

121967LowNot Rated
Anderson Brothers #1

Mesa County

271940LowUnsatisfactory
Anderson #6

Mesa County

231929LowNot Rated
Anderson

Routt County

171906LowFair
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.