Reservoir · Kansas · United States · USACE CWMS
Melvern Dam & Reservoir
105.0% full
Capacity
189.96 hm³
Volume stored
214 hm³
Coordinates
38.511°N, 95.708°W
Last updated
2026-06-11
Current fill
105.0%vs 7 days ago
0.0%stable
vs 1 year ago
+11.1%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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.511, -95.708 · Open in Google Maps
About Melvern Dam & Reservoir
As of June 11, 2026, Melvern Dam & Reservoir is filled to 105.0% of its total capacity, holding roughly 214 hm³ of water out of a maximum 190 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 11.1 points above its level on the same date a year earlier.
Across the readings we hold for Melvern Dam & Reservoir — 285 data points between May 31, 2023 and June 11, 2026 — the level has ranged from a low of 81.0% (October 22, 2023) to a high of 105.0% (December 25, 2023). On average the reservoir is fullest around December and at its lowest around September.
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 38.511°N, 95.708°W.
Key facts
- Current fill level
- 105.0%
- Water stored
- 214 hm³
- Total capacity
- 190 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 11.1 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 38.511°N, 95.708°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 105.0% | 214 |
| 10 Jun 2026 | 105.0% | 214 |
| 9 Jun 2026 | 105.0% | 209 |
| 8 Jun 2026 | 105.0% | 203 |
| 7 Jun 2026 | 105.0% | 203 |
| 6 Jun 2026 | 105.0% | 204 |
| 5 Jun 2026 | 105.0% | 205 |
| 4 Jun 2026 | 105.0% | 207 |
| 3 Jun 2026 | 105.0% | 209 |
| 2 Jun 2026 | 105.0% | 209 |
| 1 Jun 2026 | 105.0% | 208 |
| 31 May 2026 | 105.0% | 201 |
Frequently asked questions
What is the current water level of Melvern Dam & Reservoir?
As of June 11, 2026, Melvern Dam & Reservoir is at 105.0% of its capacity, holding approximately 214 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Melvern Dam & Reservoir reservoir full?
Melvern Dam & Reservoir is essentially full, sitting at 105.0% of capacity as of June 11, 2026.
Is the water level at Melvern Dam & Reservoir rising or falling?
The level at Melvern Dam & Reservoir has been broadly stable over the latest week on record (0.0 points).
How much water can Melvern Dam & Reservoir hold?
Melvern Dam & Reservoir has a total capacity of 190 hm³.
Where is Melvern Dam & Reservoir reservoir located?
Melvern Dam & Reservoir is located in Kansas, United States, within the Kansas basin (coordinates 38.511°N, 95.708°W).
What is Melvern Dam & Reservoir used for?
Melvern Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.

