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Lake levels › South Carolina › Lake Marion

Lake Marion water level today

73.98 ft above sea level (October 20, 2026 at 3:45 AM). Lake Marion is rising steadily: up 0.96 ft in the past 7 days and up 0.81 ft over 30 days.

Level now73.98 ft
Past 24 hours+0.03 ft
Past 7 days+0.96 ft
Past 30 days+0.81 ft
vs 1 year ago−1.16 ft

Lake Marion level over the last 12 months

72.573.474.375.276.1 Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26
Daily elevation in feet, last 12 months.

12-month low: 72.72 ft (October 9, 2026). High: 75.84 ft (February 22, 2026). Swing: 3.12 ft.

Daily Lake Marion levels, last 30 days

DateElevation (ft)Change
Oct 20, 202673.98+0.03 ft
Oct 19, 202673.95+0.11 ft
Oct 18, 202673.84+0.14 ft
Oct 17, 202673.70+0.13 ft
Oct 16, 202673.57+0.21 ft
Oct 15, 202673.36+0.18 ft
Oct 14, 202673.18+0.16 ft
Oct 13, 202673.02+0.17 ft
Oct 12, 202672.85−0.04 ft
Oct 11, 202672.89+0.13 ft
Oct 10, 202672.76+0.04 ft
Oct 9, 202672.72−0.06 ft
Oct 8, 202672.78−0.04 ft
Oct 7, 202672.82−0.03 ft
Oct 6, 202672.85−0.05 ft
Oct 5, 202672.90−0.01 ft
Oct 4, 202672.91+0.13 ft
Oct 3, 202672.78±0.00 ft
Oct 2, 202672.78−0.04 ft
Oct 1, 202672.82−0.03 ft
Sep 30, 202672.85−0.03 ft
Sep 29, 202672.88−0.05 ft
Sep 28, 202672.93−0.02 ft
Sep 27, 202672.95−0.02 ft
Sep 26, 202672.97−0.02 ft
Sep 25, 202672.99−0.05 ft
Sep 24, 202673.04−0.06 ft
Sep 23, 202673.10−0.01 ft
Sep 22, 202673.11−0.03 ft
Sep 21, 202673.14−0.03 ft

Monthly average levels

MonthAverageLowHigh
Nov 202574.9474.6475.25
Dec 202574.8074.6375.01
Jan 202674.9874.8475.25
Feb 202675.4775.2275.84
Mar 202675.5375.3875.70
Apr 202675.3775.0275.54
May 202674.8274.4775.24
Jun 202675.0874.6875.54
Jul 202674.2273.9174.64
Aug 202674.0673.9074.20
Sep 202673.3772.8573.99
Oct 2026 *73.1272.7273.98

* partial month or year.

Lake Marion year by year

YearLowHighAverage
2026 *72.72 Oct 975.84 Feb 2274.65
202573.92 Jan 2776.28 Aug 1675.30
202470.41 Oct 176.26 Aug 1875.25
2023 *73.54 Dec 974.72 Dec 3174.03

Lake Marion on this date in past years

YearLevel on this dateToday vs then
202575.14 ft−1.16 ft
202475.06 ft−1.08 ft
202374.44 ft−0.46 ft

Is Lake Marion full?

U.S. Geological Survey does not publish a full-pool figure in this data feed, so compare today's 73.98 ft with the 12-month range above (72.72 to 75.84 ft) and with past years.

Is Lake Marion rising or falling?

Lake Marion is rising steadily: up 0.96 ft in the past 7 days and up 0.81 ft over 30 days. In the latest day it moved +0.03 ft.

How does Lake Marion compare with last year?

Compared with the same date last year, the lake is 1.16 ft lower. Two years ago on this date it stood at 75.06 ft.

Data source

U.S. Geological Survey (USGS Water Data), gauge 02171000; readings since Oct 16, 2023. Official source · how we collect it.

Other lakes in South Carolina

All South Carolina lake levels