Navarro Mills Lake: 78.9% full as of 2026-10-28

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 2026-10-28 78.9 422.16 39,317 39,316 49,827 4,303
1 day prior 2026-10-27 79.0 422.17 39,360 39,359 49,827 4,304
2 days prior 2026-10-26 79.1 422.18 39,403 39,402 49,827 4,306
1 week prior 2026-10-21 79.9 422.27 39,791 39,790 49,827 4,319
1 month prior 2026-09-28 77.4 421.98 38,545 38,544 49,827 4,274
3 months prior 2026-07-28 93.4 423.79 46,537 46,536 49,827 4,565
6 months prior 2026-04-28 96.2 424.09 47,915 47,914 49,827 4,621
1 year prior 2025-10-28 95.5 424.02 47,592 47,591 49,827 4,608
*

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 2026-10-28 11:15 422.15 424.50 -2.35 below flood pool
1 hour prior 2026-10-28 10:15 422.15 424.50 -2.35 below flood pool
2 hours prior 2026-10-28 09:15 422.15 424.50 -2.35 below flood pool
6 hours prior 2026-10-28 05:15 422.15 424.50 -2.35 below flood pool
12 hours prior 2026-10-27 23:15 422.16 424.50 -2.34 below flood pool
24 hours prior 2026-10-27 11:15 422.18 424.50 -2.32 below flood pool
48 hours prior 2026-10-26 11:15 422.19 424.50 -2.31 below flood pool
*

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
Data Source USGS:08063050
USGS Monitoring Location USGS:08063050

Lake Location