Oak Creek Reservoir: 15.5% full as of 2026-08-14
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Today | 2026-08-14 | 15.5 | 1,974.72 | 6,225 | 6,075 | 39,210 | 567 |
| Yesterday | 2026-08-13 | 15.5 | 1,974.75 | 6,242 | 6,092 | 39,210 | 568 |
| 2 days ago | 2026-08-12 | 15.6 | 1,974.80 | 6,272 | 6,122 | 39,210 | 570 |
| 1 week ago | 2026-08-07 | 15.9 | 1,974.97 | 6,375 | 6,225 | 39,210 | 577 |
| 1 month ago | 2026-07-14 | 16.5 | 1,975.38 | 6,630 | 6,480 | 39,210 | 593 |
| 3 months ago | 2026-05-14 | 18.0 | 1,976.36 | 7,201 | 7,051 | 39,210 | 634 |
| 6 months ago | 2026-02-14 | 19.1 | 1,977.03 | 7,636 | 7,486 | 39,210 | 660 |
| 1 year ago | 2025-08-14 | 23.6 | 1,979.64 | 9,404 | 9,254 | 39,210 | 775 |
*
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 | 2026-08-14 12:45 | 1,974.73 | 2,000.00 | -25.27 |
| 1 hour prior | 2026-08-14 11:45 | 1,974.71 | 2,000.00 | -25.29 |
| 2 hours prior | 2026-08-14 10:45 | 1,974.71 | 2,000.00 | -25.29 |
| 6 hours prior | 2026-08-14 06:45 | 1,974.72 | 2,000.00 | -25.28 |
| 12 hours prior | 2026-08-14 00:45 | 1,974.72 | 2,000.00 | -25.28 |
| 24 hours prior | 2026-08-13 12:45 | 1,974.76 | 2,000.00 | -25.24 |
| 48 hours prior | 2026-08-12 12:45 | 1,974.80 | 2,000.00 | -25.20 |
*
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 |
Lake Location
