Reservoir · Colorado · United States · BOR RISE
Carter Lake Reservoir and Dam
78.9% full
Capacity
138.43 hm³
Volume stored
109 hm³
Coordinates
40.324°N, 105.212°W
Last updated
2026-06-10
Current fill
78.9%vs 7 days ago
-0.4%losing
vs 1 year ago
-12.3%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.324, -105.212 · Open in Google Maps
About Carter Lake Reservoir and Dam
As of June 10, 2026, Carter Lake Reservoir and Dam is filled to 78.9% of its total capacity, holding roughly 109 hm³ of water out of a maximum 138 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.4 pts), and it is 12.3 points below its level on the same date a year earlier.
Across the readings we hold for Carter Lake Reservoir and Dam — 1824 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 45.9% (December 27, 2022) to a high of 99.9% (July 10, 2023). On average the reservoir is fullest around June and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the Colorado basin at 40.324°N, 105.212°W.
Key facts
- Current fill level
- 78.9%
- Water stored
- 109 hm³
- Total capacity
- 138 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▼ 12.3 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 40.324°N, 105.212°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 78.9% | 109 |
| 9 Jun 2026 | 79.3% | 110 |
| 8 Jun 2026 | 79.8% | 110 |
| 7 Jun 2026 | 80.3% | 111 |
| 6 Jun 2026 | 80.8% | 112 |
| 5 Jun 2026 | 81.3% | 113 |
| 4 Jun 2026 | 81.9% | 113 |
| 3 Jun 2026 | 82.3% | 114 |
| 2 Jun 2026 | 82.9% | 115 |
| 1 Jun 2026 | 83.3% | 115 |
| 31 May 2026 | 83.8% | 116 |
| 30 May 2026 | 84.3% | 117 |
Frequently asked questions
What is the current water level of Carter Lake Reservoir and Dam ?
As of June 10, 2026, Carter Lake Reservoir and Dam is at 78.9% of its capacity, holding approximately 109 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Carter Lake Reservoir and Dam reservoir full?
No. As of June 10, 2026, Carter Lake Reservoir and Dam is within its normal operating range at 78.9% of its capacity, so it is not full.
Is the water level at Carter Lake Reservoir and Dam rising or falling?
The level at Carter Lake Reservoir and Dam has been broadly stable over the latest week on record (-0.4 points).
How much water can Carter Lake Reservoir and Dam hold?
Carter Lake Reservoir and Dam has a total capacity of 138 hm³.
Where is Carter Lake Reservoir and Dam reservoir located?
Carter Lake Reservoir and Dam is located in Colorado, United States, within the Colorado basin (coordinates 40.324°N, 105.212°W).
What is Carter Lake Reservoir and Dam used for?
Carter Lake Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.