MONTICELLO Reservoir Water Level

South Carolina · updated daily from the U.S. Geological Survey

423.70 ft

MONTICELLO Reservoir is high for this time of year and rising (+0.20 ft in the last 7 days).

Change since yesterday: +0.07 ft

Reading as of 2026-08-14 · higher than 82% of August readings on record

Where MONTICELLO Reservoir sits historically

TODAY 423.7 ftRECORD LOW421.09 ft2023-11-09RECORD HIGH424.91 ft2026-01-31

Today's level compared with every reading in our 2.9-year record for this lake.

Since yesterday

+0.07 ft

7-day change

+0.20 ft

30-day change

+0.60 ft

1-year change

+0.76 ft

Last 30 days

2026-07-15422.3–424.3 ft2026-08-14

Last 12 months

2025-08-14421.3–425.3 ft2026-08-14

MONTICELLO Reservoir records and averages

Current level423.70 ft
Record high424.91 ft (2026-01-31)
Record low421.09 ft (2023-11-09)
Average of all readings423.11 ft
Data span2.9 years (1,052 readings)

Frequently asked questions

Is MONTICELLO Reservoir full right now?

As of 2026-08-14, MONTICELLO Reservoir sits at 423.70 ft, which is high for this time of year.Over the past 30 days the level has risen 0.60 ft.

What is the water level at MONTICELLO Reservoir today?

The most recent reading is 423.70 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

What is the highest MONTICELLO Reservoir has ever been?

The highest level in our records is 424.91 ft on 2026-01-31. The lowest is 421.09 ft on 2023-11-09. Our record covers about 2.9 years of readings.

Is MONTICELLO Reservoir low for this time of year?

Compared with every August in our records, the current level is higher than 82% of them — high for this time of year. 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 MONTICELLO Reservoir changing 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. MONTICELLO Reservoir has risen 0.60 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

How much has MONTICELLO Reservoir changed over the past year?

The level is +0.76 ft compared with this date last year (423.70 ft today). The full-history chart above covers 2.9 years, with a record high of 424.91 ft and a record low of 421.09 ft.

Nearby lakes in South Carolina

Parr Shoals Reservoir water level
261.38 ft · falling
Lake Murray water level
356.83 ft · steady
Neal Shoals Reservoir water level
332.07 ft · falling
Lake Greenwood water level
439.16 ft · steady
NINETYNINE ISLAND Reservoir water level
99.38 ft · falling
Gaston Shoals Reservoir water level
96.2 ft · falling

Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All South Carolina lake levels.