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 2650 of 294

Dam NameHeight (ft)YearHazardCondition
Bergen West

Jefferson County

251888SignificantFair
Berthoud

Larimer County

181962SignificantSatisfactory
Big Beaver

Mesa County

371947SignificantFair
Big Evans Gulch No. 2

Lake County

311889SignificantNot Rated
Big Pine

Montezuma County

261907SignificantFair
Bijou #2 Dam #1

Morgan County

221898SignificantFair
Bijou #2 Dam #2

Morgan County

221898SignificantFair
Bijou #2 Dam #3

Morgan County

221898SignificantFair
Bijou #2 Dam #4

Morgan County

221898SignificantFair
Bills Ranch Lake

Summit County

81933SignificantSatisfactory
Bison Park

Teller County

271902SignificantFair
Black Lake #2

Eagle County

301957SignificantSatisfactory
Blackman_*

Mesa County

271911SignificantNot Rated
Bolen

Mesa County

251973SignificantFair
Bowles #1

Jefferson County

251973SignificantSatisfactory
Brainard Lake

Boulder County

171943SignificantNot Rated
Bristlecone

El Paso County

881986SignificantSatisfactory
Bristol Head #2

Mineral County

301928SignificantFair
Broadacre Lake

Mineral County

291956SignificantFair
Bull Basin #2

Mesa County

221953SignificantFair
Bull Creek #5

Mesa County

261901SignificantFair
Burgess #1

Teller County

451965SignificantFair
Carmody

Jefferson County

81974SignificantSatisfactory
Carriage Hills #1 (Upper)

Larimer County

141967SignificantSatisfactory
Casto

Mesa County

261940SignificantFair
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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.