Reservoir · Kansas · United States · USGS NWIS
Cedar Bluff Reservoir
29.3% full
Capacity
228.31 hm³
Volume stored
67 hm³
Coordinates
38.789°N, 99.721°W
Last updated
2026-09-30
Current fill
29.3%vs 7 days ago
+0.3%gaining
vs 1 year ago
-3.6%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — 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: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.789, -99.721 · Open in Google Maps
About Cedar Bluff Reservoir
As of September 30, 2026, Cedar Bluff Reservoir is filled to 29.3% of its total capacity, holding roughly 67 hm³ of water out of a maximum 228 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.3 pts), and it is 3.6 points below its level on the same date a year earlier.
Across the readings we hold for Cedar Bluff Reservoir — 1095 data points between October 2, 2023 and September 30, 2026 — the level has ranged from a low of 29.0% (September 22, 2026) to a high of 40.4% (October 2, 2023). On average the reservoir is fullest around October and at its lowest around September.
It is operated by USGS primarily for multiple purposes. It lies within the Kansas basin at 38.789°N, 99.721°W.
Key facts
- Current fill level
- 29.3%
- Water stored
- 67 hm³
- Total capacity
- 228 hm³
- 7-day change
- ▲ 0.3 pts
- Year-on-year
- ▼ 3.6 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USGS
- Coordinates
- 38.789°N, 99.721°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 29.3% | 67 |
| 29 Sep 2026 | 29.1% | 66 |
| 28 Sep 2026 | 29.1% | 66 |
| 27 Sep 2026 | 29.1% | 67 |
| 26 Sep 2026 | 29.1% | 67 |
| 25 Sep 2026 | 29.1% | 67 |
| 24 Sep 2026 | 29.1% | 66 |
| 23 Sep 2026 | 29.0% | 66 |
| 22 Sep 2026 | 29.0% | 66 |
| 21 Sep 2026 | 29.1% | 66 |
| 20 Sep 2026 | 29.1% | 66 |
| 19 Sep 2026 | 29.1% | 66 |