Oak Creek Reservoir: 15.4% full as of 2026-08-15
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-08-15 | 15.4 | 1,974.67 | 6,196 | 6,046 | 39,210 | 565 |
| 1 day prior | 2026-08-14 | 15.5 | 1,974.71 | 6,219 | 6,069 | 39,210 | 566 |
| 2 days prior | 2026-08-13 | 15.5 | 1,974.75 | 6,242 | 6,092 | 39,210 | 568 |
| 1 week prior | 2026-08-08 | 15.8 | 1,974.93 | 6,351 | 6,201 | 39,210 | 575 |
| 1 month prior | 2026-07-15 | 16.5 | 1,975.38 | 6,630 | 6,480 | 39,210 | 593 |
| 3 months prior | 2026-05-15 | 17.9 | 1,976.32 | 7,178 | 7,028 | 39,210 | 632 |
| 6 months prior | 2026-02-15 | 19.1 | 1,977.03 | 7,636 | 7,486 | 39,210 | 660 |
| 1 year prior | 2025-08-15 | 23.5 | 1,979.61 | 9,378 | 9,228 | 39,210 | 774 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
**
Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.
Most Recent Instantaneous Water Level
| Date/time |
Water Level (ft) |
Conservation Pool Elevation (ft) |
Height Above Conservation Pool (ft) |
|
|---|---|---|---|---|
| Most recent | 2026-08-16 03:45 | 1,974.65 | 2,000.00 | -25.35 |
| 1 hour prior | 2026-08-16 02:45 | 1,974.65 | 2,000.00 | -25.35 |
| 2 hours prior | 2026-08-16 01:45 | 1,974.65 | 2,000.00 | -25.35 |
| 6 hours prior | 2026-08-15 21:45 | 1,974.66 | 2,000.00 | -25.34 |
| 12 hours prior | 2026-08-15 15:45 | 1,974.68 | 2,000.00 | -25.32 |
| 24 hours prior | 2026-08-15 03:45 | 1,974.68 | 2,000.00 | -25.32 |
| 48 hours prior | 2026-08-14 03:45 | 1,974.72 | 2,000.00 | -25.28 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1952-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 1,951.00 ft above NGVD29 |
| Service spillway crest elevation | 2,000.00 ft above NGVD29 |
| Emergency spillway crest elevation | 2,005.00 ft above NGVD29 |
| Top of dam elevation | 2,014.00 ft above NGVD29 |
| Conservation pool elevation | 2,000.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
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| Data Source | USGS:08125500 |
| USGS Monitoring Location | USGS:08125500 |