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 276300 of 1,217

Dam NameHeight (ft)YearHazardCondition
Richard Warne Fld Ret

Elbert County

401979LowUnsatisfactory
Richards

Adams County

171902LowNot Rated
Reynolds

Delta County

351950LowNot Rated
Reynolds

Clear Creek County

141910LowFair
Reservoir #1

Crowley County

81920LowNot Rated
Rehmer

Weld County

281957LowUnsatisfactory
Regan

Hinsdale County

171906LowFair
Reeder

Mesa County

301889LowNot Rated
Red Top

Pueblo County

221912LowFair
Redlands

Mesa County

131917LowSatisfactory
Rapid Creek #2

Mesa County

171946LowNot Rated
Rams Horn

Garfield County

211942LowFair
Ramsey

Elbert County

241970LowNot Rated
Ramona

Larimer County

81889LowNot Rated
Ralston #1

Garfield County

201904LowNot Rated
Rajadero Reservoir

Conejos County

241979LowNot Rated
Rainbow Lake

Chaffee County

231965LowSatisfactory
Rainbow Lake

Larimer County

162016LowNot Rated
Rainbow Falls #5

Douglas County

201957LowNot Rated
Rainbow

El Paso County

261930LowFair
Quaintance

Jefferson County

621984LowNot Rated
Prince No. 1

Boulder County

141879LowSatisfactory
Price

Eagle County

111946LowNot Rated
Prebble

Delta County

201960LowFair
Poso Detention Dam

Conejos County

361963LowNot Rated
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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.