Navarro Mills Lake: 78.5% full as of 2026-11-02
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 | 2026-11-02 | 78.5 | 422.11 | 39,102 | 39,101 | 49,827 | 4,295 |
| Yesterday | 2026-11-01 | 78.6 | 422.12 | 39,145 | 39,144 | 49,827 | 4,296 |
| 2 days ago | 2026-10-31 | 78.6 | 422.13 | 39,188 | 39,187 | 49,827 | 4,298 |
| 1 week ago | 2026-10-26 | 79.1 | 422.18 | 39,403 | 39,402 | 49,827 | 4,306 |
| 1 month ago | 2026-10-02 | 77.8 | 422.03 | 38,759 | 38,758 | 49,827 | 4,282 |
| 3 months ago | 2026-08-02 | 91.9 | 423.63 | 45,809 | 45,808 | 49,827 | 4,537 |
| 6 months ago | 2026-05-02 | 100.0 | 424.50 | 49,827 | 49,826 | 49,827 | 4,736 |
| 1 year ago | 2025-11-02 | 94.3 | 423.89 | 46,995 | 46,994 | 49,827 | 4,583 |
*
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 | 2026-11-02 00:00 | 422.11 | 424.50 | -2.39 |
| 1 hour prior | 2026-11-01 23:00 | 422.11 | 424.50 | -2.39 |
| 2 hours prior | 2026-11-01 22:00 | 422.11 | 424.50 | -2.39 |
| 6 hours prior | 2026-11-01 18:00 | 422.12 | 424.50 | -2.38 |
| 12 hours prior | 2026-11-01 12:00 | 422.11 | 424.50 | -2.39 |
| 24 hours prior | 2026-11-01 00:00 | 422.13 | 424.50 | -2.37 |
| 48 hours prior | 2026-10-31 00:00 | 422.14 | 424.50 | -2.36 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1963-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 400.00 ft above NGVD29 |
| Service spillway crest elevation | 414.00 ft above NGVD29 |
| Top of flood gate elevation | 443.00 ft above NGVD29 |
| Emergency spillway crest elevation | 443.00 ft above NGVD29 |
| Flood pool elevation | 443.00 ft above NGVD29 |
| Maximum design elevation | 451.90 ft above NGVD29 |
| Top of dam elevation | 457.00 ft above NGVD29 |
| Conservation pool elevation | 424.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
2008-04-01 (source: TWDB)
: GIS Data
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|
| Data Source | USGS:08063050 |
| USGS Monitoring Location | USGS:08063050 |
Lake Location
