Independent water-data site. Not a government website. Every number comes from official agency gauges.

Pactola Reservoir water level today

Reservoir in Pennington, South Dakota · Rapid Creek

4,558.82ft
1,389.53 m · gauge reading (local datum, not an elevation)
Measured · provisional
Below normal for the dateSteady
vs full pool ?
▼ 21.38 ft
24 hours
▲ 0.05 ft
7 days
▲ 0.34 ft
30 days
▲ 0.70 ft
Normal for Oct 21 ?
4,574.99 ft

What this means

Pactola Reservoir is 21.38 ft below its full pool of 4,580.20 ft.

It is lower than on Oct 21 in every one of the last 10 years on record.

The lake has risen 0.34 ft in 7 days and risen 0.70 ft in 30 days.

Since 1989, the lowest daily level was 4,456.67 ft (Apr 1991) and the highest 4,606.45 ft (Jan 1991).

Pactola Reservoir level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years) Full pool

Same date in past years

DateLevelvs today
Oct 21, 20254,570.08 ft▲ 11.26 ft
Oct 21, 20244,571.60 ft▲ 12.78 ft
Oct 21, 20234,576.96 ft▲ 18.14 ft
Oct 21, 20224,574.26 ft▲ 15.44 ft
Oct 21, 20214,576.43 ft▲ 17.61 ft
Oct 21, 20204,576.96 ft▲ 18.14 ft
Oct 21, 20194,575.90 ft▲ 17.09 ft
Oct 21, 20184,576.52 ft▲ 17.70 ft
Oct 21, 20174,574.57 ft▲ 15.75 ft
Oct 21, 20164,575.79 ft▲ 16.97 ft

Records & details

Highest
4,606.45 ft on Jan 26, 1991
Lowest
4,456.67 ft on Apr 20, 1991
Records from
1989 (37 years of daily data)
Full pool
4,580.20 ft (top of conservation pool, U.S. Army Corps of Engineers)
Storage
39,744 acre-ft
Inflow
32.0 cfs (0.90 m³/s)
Outflow
15.0 cfs (0.42 m³/s)
Water temperature
Not measured here

What acre-feet and % full mean

Full history: yearly highs and lows, monthly averages →

Weather & wind

This Afternoon67°F · Sunny
Wind SE 6 mph
Tonight48°F · Mostly Clear
Wind S 6 mph
Thursday77°F · Mostly Sunny
Wind SW 5 mph
Thursday Night52°F · Mostly Cloudy
Wind SW 5 mph
Friday76°F · Mostly Sunny
Wind SW 5 to 10 mph
Friday Night35°F · Chance Light Rain
Wind W 6 to 14 mph

NOAA National Weather Service forecast for this lake's location, updated 32 min ago.

Nearby lakes

All South Dakota lake levels →