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Lake Nasworthy water level

Lake, Texas, United States

Directions

High for mid-October

Surface elevation

1,871.71ft Steady over the last 7 days

Water stored
9,341 acre‑ft
1,870.5 1,871.0 1,871.5

History

1,870.51,871.01,871.5ftOct 11Oct 12Oct 13Oct 14Oct 151,870.51,871.01,871.5ftOct 11Oct 13Oct 15
1,870.51,871.01,871.5ftSep 18Sep 24Oct 1Oct 8Oct 151,870.51,871.01,871.5ftSep 18Oct 1Oct 15
1,870.51,871.01,871.51,872.0ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20261,870.51,871.01,871.51,872.0ftOct 2025Apr 2026Oct 2026
1,8711,872ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20261,8711,872ftOct 2016Oct 2021Oct 2026
1,8711,872ftJanMarMayJulSepNov20261,8711,872ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Lake Nasworthy is above normal at 1,871.71 ft.

That puts it 0.62 ft above the median of 1,871.09 ft for mid-October, based on 36 years of readings. A year ago it stood at 1,871.74 ft (−0.03 ft).

The level has held steady over the past week. In the last month it has stayed between 1,871.67 ft and 1,871.76 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1,871.09 ft0.62 ft above the median for this date
Normal for this date
1,870.39 ft – 1,871.71 ft8 years in 10 fall in this range (36 years of records)
Same day last year
1,871.74 ft−0.03 ft
Lowest and highest in 30 days
1,871.67 ft – 1,871.76 ft
Lowest and highest in 12 months
1,871.66 ft – 1,872.02 ft

On the water at Lake Nasworthy

With the level a bit above normal, expect a shoreline slightly higher up than usual and the odd floating branch.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

Rain in the last 3 days: 0.70 in.

17 Sat 62° 42° – Wind 6 mph
18 Sun 66° 44° – Wind 10 mph
19 Mon 76° 48° – Wind 13 mph
20 Tue 76° 60° – Wind 14 mph
21 Wed 82° 60° – Wind 15 mph
22 Thu 81° 63° – Wind 11 mph
23 Fri 82° 62° – Wind 19 mph

Forecast: Open-Meteo

Sunrise 07:47 AM Sunset 07:09 PM Daylight 11 hr, 22 min First quarter 41%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Twin Buttes ReservoirReservoir 1,894.79 ft Low 3.4 mi
Twin Buttes Reservoir near San AngeloReservoir, Twin Buttes Reservoir 1,894.72 ft Very low −0.04 ft 3.6 mi
Pecan Creek near San AngeloRiver gauge, Pecan Creek −0.04 ft Very low ±0 5.8 mi
Concho River at San AngeloRiver gauge, Concho River 1.63 ft Normal −0.38 ft 6.1 mi
S Concho River above Twin Buttes Reservoir near San AngeloRiver gauge, S Concho River 4.74 ft Low +0.02 ft 8 mi
Spring Creek above Twin Buttes Reservoir near San AngeloRiver gauge, Spring Creek 0.91 ft Low ±0 8 mi
Spring Creek above TankersleyRiver gauge, Spring Creek 2.28 ft Very low ±0 10 mi
N Concho River near Grape CreekRiver gauge, N Concho River 2.73 ft Very low −0.01 ft 12 mi

Questions and answers

How does Lake Nasworthy compare with last year?

It is 0.03 ft lower than on the same day last year, when the reading was 1,871.74 ft.

What is a normal level for Lake Nasworthy in mid-October?

The median for mid-October is 1,871.09 ft. In 8 years out of 10 the reading falls between 1,870.39 ft and 1,871.71 ft, based on 36 years of records.

Is Lake Nasworthy really 1,871.71 ft deep?

No. 1,871.71 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Lake Nasworthy today?

On Oct 15, 2026, the surface elevation was 1,871.71 ft. Steady over the last 7 days.

Is Lake Nasworthy rising or falling?

Steady over the last 7 days.

Is the level of Lake Nasworthy normal?

High for mid-October. Compared with 36 years of daily readings for this time of year.

How often is this data updated?

The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Bureau of Reclamation
Station code
usbr:421 (Agency page)
Coordinates
31.38860, -100.47810 (WGS84)
Update interval
once a day
Licence
Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 1,871.71 ft 2026-10-15 05:00 Provisional
Water stored 9,341 acre‑ft 2026-10-15 05:00 Provisional

Download

Embed this gauge

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How to cite

U.S. Bureau of Reclamation: Lake Nasworthy (usbr:421). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/lake-nasworthy

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer