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State · United States · USGS · BOR · USACE · CDEC

Colorado

52.8% average fill

Measured

39

Volume stored

2,602 hm³

Measured capacity

4,925 hm³

Critical

9

Low level

6

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Reservoirs

Sorted by capacity

Blue Mesa Reservoir Dam and Powerplant

low
31.3%289 hm³View →

Updated 2026-08-01

Lake Granby and Dam

62.0%413 hm³View →

Updated 2026-08-01

Mcphee Reservoir and Dam

44.8%210 hm³View →

Updated 2026-08-01

Pueblo Reservoir and Dam

53.5%213 hm³View →

Updated 2026-08-01

Horsetooth Reservoir and Dam

84.3%163 hm³View →

Updated 2026-08-01

Green Mountain Reservoir Dam and Powerplant

low
20.3%38 hm³View →

Updated 2026-08-01

Twin Lakes Reservoir and Dam

65.7%114 hm³View →

Updated 2026-08-01

Vallecito Reservoir and Dam

44.0%70 hm³View →

Updated 2026-08-01

Turquoise Lake and Sugar Loaf Dam

67.6%108 hm³View →

Updated 2026-08-01

Lake Nighthorse and Ridges Basin Dam

93.6%140 hm³View →

Updated 2026-08-01

Morrow Point Reservoir Dam and Powerplant

95.6%138 hm³View →

Updated 2026-08-01

Carter Lake Reservoir and Dam

72.2%100 hm³View →

Updated 2026-08-01

TAYLOR PARK RESERVOIR AT TAYLOR PARK, CO.

52.7%69 hm³View →

Updated 2026-08-02

Taylor Park Reservoir and Dam

52.9%69 hm³View →

Updated 2026-08-01

Ruedi Reservoir and Dam

63.4%80 hm³View →

Updated 2026-08-01

RIDGWAY RESERVOIR NEAR RIDGWAY, CO

86.8%90 hm³View →

Updated 2026-08-02

Ridgway Reservoir and Dam

86.8%90 hm³View →

Updated 2026-08-01

WOLFORD MTN RESERVOIR NR KREMMLING, CO

46.0%37 hm³View →

Updated 2026-08-02

Platoro Reservoir and Dam

42.5%28 hm³View →

Updated 2026-08-01

LEMON RESERVOIR NEAR DURANGO CO

low
39.9%20 hm³View →

Updated 2026-08-02

Lemon Reservoir and Dam

low
39.4%20 hm³View →

Updated 2026-08-01

VEGA RESERVOIR NEAR COLLBRAN, CO

critical
15.9%7 hm³View →

Updated 2026-08-02

Vega Reservoir and Dam

critical
16.2%7 hm³View →

Updated 2026-08-01

Crystal Reservoir Dam and Powerplant

67.4%21 hm³View →

Updated 2026-08-01

Shadow Mountain Lake and Dam

90.1%20 hm³View →

Updated 2026-08-01

PAONIA RESERVOIR NEAR BARDINE, CO

critical
1.6%0 hm³View →

Updated 2026-08-02

Paonia Reservoir and Dam

critical
1.6%0 hm³View →

Updated 2026-08-01

CRAWFORD RESERVOIR NEAR CRAWFORD, CO

low
21.6%4 hm³View →

Updated 2026-08-02

SILVER JACK RESERVOIR NEAR CIMARRON, CO

critical
16.1%3 hm³View →

Updated 2026-08-02

Silver Jack Reservoir and Dam

critical
16.4%3 hm³View →

Updated 2026-08-01

RIFLE GAP RESERVOIR NEAR RIFLE, CO

low
23.6%4 hm³View →

Updated 2026-08-02

Rifle Gap Reservoir and Dam

critical
16.4%3 hm³View →

Updated 2026-08-01

Mount Elbert Forebay Reservoir and Dam

69.7%10 hm³View →

Updated 2026-08-01

Willow Creek Reservoir and Dam (CO)

70.4%9 hm³View →

Updated 2026-08-01

Jackson Gulch Reservoir and Dam

42.6%5 hm³View →

Updated 2026-08-01

FRUIT GROWERS RESERVOIR NEAR ORCHARD CITY, CO

critical
15.0%1 hm³View →

Updated 2026-08-02

Fruitgrowers Reservoir and Dam

critical
14.8%1 hm³View →

Updated 2026-08-01

Lake Estes and Olympus Dam

70.1%3 hm³View →

Updated 2026-08-01

Pinewood Reservoir and Rattlesnake Dam

55.8%2 hm³View →

Updated 2026-08-01

Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.

About reservoirs in Colorado

As of August 2, 2026, the reservoirs we track across Colorado that report live levels hold roughly 2,602 hm³ of water — about 52.8% of their combined capacity. Taken together, Colorado's reservoirs are within their normal operating range.

Across the region, 9 reservoirs are at critically low levels and 6 are low. Morrow Point Reservoir Dam and Powerplant is the fullest at 95.6%, while Paonia Reservoir and Dam is the lowest at 1.6%.

Over the most recent week on record, 1 reservoir rose and 1 reservoir fell across Colorado.

Storage figures for Colorado come from USGS · USACE · BOR · CDEC; the most recent reading is from August 2, 2026. Each reservoir below links to its own page with full history and seasonal context.

Colorado at a glance

Reservoirs tracked
39
Average fill
52.8%
Water stored
2,602 hm³
Combined capacity
4,925 hm³
At critically low levels
9
Fullest
Morrow Point Reservoir Dam and Powerplant (95.6%)
Lowest
Paonia Reservoir and Dam (1.6%)
Last updated
August 2, 2026

Frequently asked questions

How full are reservoirs in Colorado right now?

As of August 2, 2026, the reservoirs tracked in Colorado that report live levels are 52.8% full overall, holding about 2,602 hm³ of water.

How many reservoirs are there in Colorado?

reservoirs.earth tracks 39 reservoirs in Colorado, with a combined storage capacity of 4,925 hm³.

Which reservoir in Colorado is the fullest?

Morrow Point Reservoir Dam and Powerplant is currently the fullest reservoir in Colorado, at 95.6% of capacity.

Which reservoir in Colorado is the lowest?

Paonia Reservoir and Dam is currently the lowest in Colorado, at 1.6% of capacity.

Where does the reservoir data for Colorado come from?

All storage figures for Colorado come from USGS · USACE · BOR · CDEC, an official source, last updated August 2, 2026.

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