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Reservoir · Texas · United States · TWDB

Lake Bob Sandlin

88.2% full

Capacity

237.34 hm³

Volume stored

209 hm³

Vs month average

94% of normal

Coordinates

33.080°N, 95.002°W

Last updated

2026-10-14

Current fill

88.2%
High

vs 7 days ago

-0.4%

losing

vs 1 year ago

-6.9%

year-over-year

7-day trend

→

stable

Drought context

Storage vs October average

94%of normal

88.2% full on 2026-10-14, against an average of 93.5% for October across 5 years of readings (-5.3 points).

Data source: Texas Water Development Board (Water Data for Texas) — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-10-14.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

About Lake Bob Sandlin

As of October 14, 2026, Lake Bob Sandlin is filled to 88.2% of its total capacity, holding roughly 209 hm³ of water out of a maximum 237 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.4 pts), and it is 6.9 points below its level on the same date a year earlier.

Across the readings we hold for Lake Bob Sandlin — 1461 data points between October 15, 2022 and October 14, 2026 — the level has ranged from a low of 88.2% (October 13, 2026) to a high of 100.0% (February 3, 2023). On average the reservoir is fullest around June and at its lowest around October.

It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 33.080°N, 95.002°W.

Key facts

Current fill level
88.2%
Water stored
209 hm³
Total capacity
237 hm³
7-day change
▼ 0.4 pts
Year-on-year
▼ 6.9 pts
Primary use
Multipurpose
River basin
Texas
Operator
TWDB
Coordinates
33.080°N, 95.002°W
Last updated
October 14, 2026

Recent readings

DateFill levelVolume (hm³)
14 Oct 202688.2%209
13 Oct 202688.2%209
12 Oct 202688.3%210
11 Oct 202688.4%210
10 Oct 202688.4%210
9 Oct 202688.5%210
8 Oct 202688.6%210
7 Oct 202688.6%210
6 Oct 202688.6%210
5 Oct 202688.6%210
4 Oct 202688.6%210
3 Oct 202688.6%210

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