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

Local

416

Private

1,221

Tallest Dams

Morrow Point Dam468 ft
Ten Mile Pond #3 Dam416 ft
Blue Mesa Dam390 ft
Gross 350 ft
Ridgway Dam330 ft

High Hazard Dams

Morrow Point DamHigh
Ten Mile Pond #3 DamHigh
Blue Mesa DamHigh
Gross High
Ridgway DamHigh

Poor Condition Dams

SanchezUnsatisfactory
Narraguinnep - Main DamUnsatisfactory
Stillwater #1Unsatisfactory
MiramonteUnsatisfactory
Spring CreekUnsatisfactory

All Dams in Colorado

Showing 451–451 of 451

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Y T Ranch Mesa County	35	1911	High	Unsatisfactory

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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.