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 451

Dam NameHeight (ft)YearHazardCondition
Ward Lake

Delta County

311958HighSatisfactory
Ward Creek

Delta County

471957HighFair
Waneka

Boulder County

311865HighSatisfactory
Walsenburg City Lake

Huerfano County

402019HighFair
Wahatoya Lake

Huerfano County

241901HighFair
Wagon Tongue

Park County

381960HighSatisfactory
Vouga

Saguache County

601978HighUnsatisfactory
Vega Dam

Mesa County

1621959HighNot Available
Valmont 'A'

Boulder County

801962HighFair
Valley No. 2

El Paso County

481906HighUnsatisfactory
Valley No. 1

El Paso County

401901HighUnsatisfactory
Vallecito Dam

La Plata County

1621941HighNot Available
Upper Long Lake

Jefferson County

461939HighUnsatisfactory
Upper Highline

Mesa County

981967HighSatisfactory
Upper Blue

Summit County

751965HighSatisfactory
Upper Beaver Brook

Clear Creek County

971924HighSatisfactory
Two Buttes

Baca County

1061908HighSatisfactory
Twin Lakes Dam

Lake County

1001978HighNot Available
Turner

La Plata County

461969HighSatisfactory
Tucker Lake - South Dam

Jefferson County

291899HighSatisfactory
Tucker Lake - North Dam

Jefferson County

291906HighSatisfactory
Trujillo Meadows

Conejos County

571956HighFair
Trout Lake

San Miguel County

431910HighFair
Trout Creek

Chaffee County

702001HighNot Rated
Trinidad Dam

Las Animas County

2031976HighNot Available
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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.