Lakes / Colorado / Weld County / Ireland Reservoir Number Five
Ireland Reservoir Number Five, Colorado
50 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
40.08 degrees N, 104.60 degrees W - Weld County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Ireland Reservoir Number Five Stacks Up
- Larger than 44% of the 778 lakes counted in Colorado.
- About 32 miles from Denver, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Klug Lake | Weld | 5.0 mi | 50 acres |
| Horse Creek Reservoir | Adams | 6.1 mi | 710 acres |
| Prospect Reservoir | Weld | 6.6 mi | 379 acres |
| Boot Lake Reservoir | Adams | 7.0 mi | 155 acres |
| Lord Reservoir | Weld | 7.7 mi | 154 acres |
| Milton Reservoir | Weld | 10 mi | 857 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Ireland Reservoir Number Five
How Big Is Ireland Reservoir Number Five?
Ireland Reservoir Number Five covers 50 acres in Weld County, Colorado.
What Is the Largest Lake in Weld County?
Riverside Reservoir is the largest lake in Weld County, at 3,633 acres.
Largest Lakes in Colorado
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | John Martin Reservoir | Bent | 11,686 acres | - |
| 2 | Blue Mesa Reservoir | Gunnison | 8,944 acres | - |
| 3 | Lake Granby | Grand | 7,075 acres | - |
| 4 | Lake Meredith | Crowley | 5,539 acres | - |
| 5 | Adobe Creek Reservoir | Bent | 4,770 acres | - |
All 778 Colorado lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 120653310). Verified October 30, 2026.