Navarro Mills Lake Water Level
Texas · updated daily from the Texas Water Development Board
88.1% full
Navarro Mills Lake is below full at 423.21 ft and falling (-0.23 ft in the last 7 days).
1.29 ft below full pool of 424.50 ft · change since yesterday -0.03 ft
Reading as of 2026-08-15 · higher than 33% of August readings on record
Where Navarro Mills Lake sits historically
Today's level compared with every reading in our 37.9-year record for this lake.
Since yesterday
-0.03 ft
7-day change
-0.23 ft
30-day change
-0.90 ft
1-year change
-1.40 ft
Full pool
424.5 ft
Last 30 days
Last 12 months
Full history (37.9 years)
Navarro Mills Lake records and averages
| Current level | 423.21 ft |
|---|---|
| Percent full | 88.1% |
| Storage | 43,919 acre-feet |
| Record high | 442.99 ft (2015-11-01) |
| Record low | 415.74 ft (2006-12-18) |
| Average of all readings | 424.66 ft |
| Data span | 37.9 years (13,424 readings) |
Frequently asked questions
Is Navarro Mills Lake full right now?
Navarro Mills Lake is at 88.1% of conservation capacity as of 2026-08-15, which we classify as below full.Over the past 30 days the level has fallen 0.90 ft.
What is the water level at Navarro Mills Lake today?
The most recent reading is 423.21 ft (2026-08-15), sourced from the Texas Water Development Board. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Navarro Mills Lake has ever been?
The highest level in our records is 442.99 ft on 2015-11-01. The lowest is 415.74 ft on 2006-12-18. Our record covers about 37.9 years of readings.
Is Navarro Mills Lake low for this time of year?
Compared with every August in our records, the current level is higher than 33% of them — below full. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Navarro Mills Lake low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Navarro Mills Lake has fallen 0.90 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Navarro Mills Lake changed over the past year?
The level is -1.40 ft compared with this date last year (423.21 ft today). The full-history chart above covers 37.9 years, with a record high of 442.99 ft and a record low of 415.74 ft.
Nearby lakes in Texas
Source: the Texas Water Development Board. Readings are provisional and subject to revision by the publishing agency. All Texas lake levels.