Grand Lake
Grand Lake is a reservoir of some 507 acres on the outflow =, in Colorado. The lake is in Grand County. Town of Grand Lake / USBR…
Reservoir
State
Lake beaches and swimming lakes in Colorado
There are 48 lakes and reservoirs in Colorado on this site. Almost all of them are reservoirs held back by a dam. The largest is John Martin Reservoir at about 11,658 acres. The deepest water on record here is at Grand Lake, about 389 feet. Rivers that feed or drain them include the outflow =, the Colorado River and the Gunnison River. 13 of these lakes have a public gauge, so their water level on this site is a real reading rather than an estimate. The agency behind the most lakes here is Denver Water. Across the state we map 4 named swimming spots and access points from federal and state sources.
13Lakes
3Swimming spots
Lakes in Colorado on the map
Click a marker to open the lake page.
Lakes in Colorado
Each page has the live water level, weather, access points and sources.
Dillon Reservoir
Fed by the Blue River, Dillon Reservoir holds roughly 3,233 acres of water in Colorado. You will find it in Summit County. Denver…
Reservoir1 beach
Horsetooth Reservoir
Horsetooth Reservoir is a 1,899-acre reservoir on the outflow = in Colorado. Its shoreline falls inside Larimer County.…
Reservoir
Pueblo Reservoir
At roughly 4,646 acres, Pueblo Reservoir is one of the lakes covered in Colorado. It lies in Pueblo County. It is managed by USBR…
Reservoir
Lake Granby
Lake Granby covers about 7,260 acres of the Colorado River in Colorado. The lake is in Grand County. Management is in the hands…
Reservoir1 beach
Chatfield Reservoir
Chatfield Reservoir is a reservoir of some 1,500 acres on the South Platte River, in Colorado. You will find it in Douglas…
Reservoir
Union Reservoir
At roughly 717 acres, Union Reservoir is one of the lakes covered in Colorado. Its shoreline falls inside Weld County. It is…
Reservoir
Blue Mesa Reservoir
Blue Mesa Reservoir is a reservoir of some 9,180 acres on the Gunnison River, in Colorado. It lies in Gunnison County. National…
Reservoir1 beach
Standley Lake
Standley Lake is a 1,200-acre reservoir on the Big Dry Creek in Colorado. It lies in Jefferson County. City of Westminster…
Reservoir
Cherry Creek Reservoir
At roughly 880 acres, Cherry Creek Reservoir is one of the lakes covered in Colorado. It lies in Arapahoe County. Management is…
Reservoir
Carter Lake
Carter Lake covers about 1,110 acres in Colorado. You will find it in Eagle County. Larimer County Natural Resources manages it.
Reservoir
Lake Nighthorse
Lake Nighthorse is a reservoir of some 1,490 acres on the Basin Creek (Outflow returns to the Animas River), in Colorado. City of…
Reservoir
Turquoise Lake
Turquoise Lake covers about 1,780 acres in Colorado. You will find it in Lake County. USFS San Isabel NF (USBR-owned) manages it.
Reservoir
Current lake levels in Colorado
2 lakes in Colorado have a documented full pool, so their pages show how far the water sits below the level the reservoir was designed to hold. Readings are refreshed from the operating agency and stamped with the time they were taken. Level changes what is usable on the shoreline, from beach width to ramp access.
| Lake | Level | Full pool | How full |
|---|---|---|---|
| Grand Lake | — | — | no percent published |
| Dillon Reservoir | — | 733.7 ft | no percent published |
| Horsetooth Reservoir | — | — | no percent published |
| Pueblo Reservoir | 4,858.98 ft | — | no percent published |
| Lake Granby | — | — | no percent published |
| Chatfield Reservoir | — | — | no percent published |
| Union Reservoir | — | — | no percent published |
| Blue Mesa Reservoir | — | — | no percent published |
| Standley Lake | — | — | no percent published |
| Cherry Creek Reservoir | — | — | no percent published |
| Carter Lake | — | — | no percent published |
| Lake Nighthorse | — | — | no percent published |
| Turquoise Lake | — | — | no percent published |
Cities in Colorado
Lakes and swimming spots near the main towns.
Arvada Boulder Longmont Loveland Broomfield Brighton Erie Lafayette