Navarro Mills Lake: 82.5% full as of 2026-10-08
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 | 2026-10-08 | 82.5 | 422.57 | 41,094 | 41,093 | 49,827 | 4,365 |
| Yesterday | 2026-10-07 | 82.6 | 422.58 | 41,137 | 41,136 | 49,827 | 4,367 |
| 2 days ago | 2026-10-06 | 82.6 | 422.59 | 41,181 | 41,180 | 49,827 | 4,368 |
| 1 week ago | 2026-10-01 | 77.3 | 421.97 | 38,502 | 38,501 | 49,827 | 4,272 |
| 1 month ago | 2026-09-08 | 81.9 | 422.51 | 40,832 | 40,831 | 49,827 | 4,356 |
| 3 months ago | 2026-07-08 | 96.9 | 424.17 | 48,286 | 48,285 | 49,827 | 4,637 |
| 6 months ago | 2026-04-08 | 96.3 | 424.11 | 48,008 | 48,007 | 49,827 | 4,625 |
| 1 year ago | 2025-10-08 | 96.1 | 424.08 | 47,869 | 47,868 | 49,827 | 4,619 |
*
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 | 2026-10-08 16:00 | 422.56 | 424.50 | -1.94 |
| 1 hour prior | 2026-10-08 15:00 | 422.55 | 424.50 | -1.95 |
| 2 hours prior | 2026-10-08 14:00 | 422.55 | 424.50 | -1.95 |
| 6 hours prior | 2026-10-08 10:00 | 422.57 | 424.50 | -1.93 |
| 12 hours prior | 2026-10-08 04:00 | 422.57 | 424.50 | -1.93 |
| 24 hours prior | 2026-10-07 16:00 | 422.58 | 424.50 | -1.92 |
| 48 hours prior | 2026-10-06 16:00 | 422.58 | 424.50 | -1.92 |
*
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
