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 1–3 of 3

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
John Townsend El Paso County	60	1885	Low	Poor
Macfarlane Dam Jackson County	37	1911	Low	Poor
Spring Creek Dam Jackson County	42	1978	Low	Poor

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