Reservoir · Iowa · United States · USACE CWMS
Coralville Lake Reservoir MET Station
95.2% full
Capacity
34.66 hm³
Volume stored
33 hm³
Coordinates
41.725°N, 91.528°W
Last updated
2026-07-30
Current fill
95.2%vs 7 days ago
-0.1%losing
vs 1 year ago
-6.9%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.725, -91.528 · Open in Google Maps
About Coralville Lake Reservoir MET Station
As of July 30, 2026, Coralville Lake Reservoir MET Station is filled to 95.2% of its total capacity, holding roughly 33 hm³ of water out of a maximum 35 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 6.9 points below its level on the same date a year earlier.
Across the readings we hold for Coralville Lake Reservoir MET Station — 92 data points between April 28, 2026 and July 30, 2026 — the level has ranged from a low of 75.4% (May 3, 2026) to a high of 105.0% (May 18, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Iowa basin at 41.725°N, 91.528°W.
Key facts
- Current fill level
- 95.2%
- Water stored
- 33 hm³
- Total capacity
- 35 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 6.9 pts
- Primary use
- Multipurpose
- River basin
- Iowa
- Operator
- USACE
- Coordinates
- 41.725°N, 91.528°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 95.2% | 33 |
| 29 Jul 2026 | 95.3% | 33 |
| 28 Jul 2026 | 95.9% | 33 |
| 27 Jul 2026 | 96.6% | 33 |
| 26 Jul 2026 | 96.4% | 33 |
| 25 Jul 2026 | 97.1% | 34 |
| 24 Jul 2026 | 97.5% | 34 |
| 23 Jul 2026 | 98.0% | 34 |
| 22 Jul 2026 | 98.2% | 34 |
| 21 Jul 2026 | 105.0% | 37 |
| 20 Jul 2026 | 105.0% | 37 |
| 19 Jul 2026 | 103.9% | 36 |
Frequently asked questions
What is the current water level of Coralville Lake Reservoir MET Station?
As of July 30, 2026, Coralville Lake Reservoir MET Station is at 95.2% of its capacity, holding approximately 33 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Coralville Lake Reservoir MET Station reservoir full?
Coralville Lake Reservoir MET Station is essentially full, sitting at 95.2% of capacity as of July 30, 2026.
Is the water level at Coralville Lake Reservoir MET Station rising or falling?
The level at Coralville Lake Reservoir MET Station has been broadly stable over the latest week on record (-0.1 points).
How much water can Coralville Lake Reservoir MET Station hold?
Coralville Lake Reservoir MET Station has a total capacity of 35 hm³.
Where is Coralville Lake Reservoir MET Station reservoir located?
Coralville Lake Reservoir MET Station is located in Iowa, United States, within the Iowa basin (coordinates 41.725°N, 91.528°W).
What is Coralville Lake Reservoir MET Station used for?
Coralville Lake Reservoir MET Station is used primarily for multiple purposes, and is managed by USACE.