The snowmelt river flooding from March continued throughout April across much of northeast and part of north central South Dakota. The additional snowmelt runoff kept many rivers and creeks across the area over flood stage. Many roads remained flooded along with countless acres of crop and pastureland.  Road and bridge damage occurred along with some outbuildings being damaged.  A Presidential Disaster was declared for much of the area. Much of the flooding continued into May.

Flood in ROBERTS, SOUTH DAKOTA
From 03-APR-11 07:00:00 to 05-APR-11 07:00:00 (CST-6)
Location: PEEVER
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Little Minnesota River near Peever went nearly a foot over the 17 foot flood stage for a few days in early April. Only minor flooding of crop and agricultural land occurred.

Flood in CODINGTON, SOUTH DAKOTA
From 01-APR-11 00:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: FLORENCE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River flooding from March continued through much of April as more snowmelt runoff occurred early in the month. The Big Sioux at and below Watertown went below flood stage in the third week of April while the Big Sioux above Watertown continued to flood into May. Crop and pastureland were flooded along with a few roads.

Flood in HAMLIN, SOUTH DAKOTA
From 02-APR-11 07:00:00 to 19-APR-11 07:00:00 (CST-6)
Location: THOMAS
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River near Castlewood went slightly above the 11 foot flood stage from early to mid April before retreating to back below flood stage. Only minor flooding of crop and agricultural land occurred.

Flood in BROWN, SOUTH DAKOTA
From 03-APR-11 07:00:00 to 08-APR-11 07:00:00 (CST-6)
Location: WINSHIP
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Elm River near Westport went above the flood stage of 14 feet on April 3rd rising to 17.44 feet on April 6th. The river fell back below flood stage on April 8th.  Flooding of agricultural and cropland along with a few roads occurred.

Flood in BROWN, SOUTH DAKOTA
From 01-APR-11 00:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: HECLA
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The James River continued to flood throughout Brown county from Columbia to Stratford through April.  The James River at Columbia rose to 19.4 feet or 6.4 feet above the flood stage of 13 feet at the end of April. At Stratford, the river rose to 20.4 feet or 6.4 feet above the flood stage of 14 feet.  Crop and pastureland along with several roads continued to be flooded.

Flood in SPINK, SOUTH DAKOTA
From 01-APR-11 00:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: DUXBURY
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The James River continued to flood in Spink county throughout April. The James River at Ashton rose to 24.4 feet or 11.4 feet above the flood stage of 13 feet. The James River northeast of Redfield rose to nearly 28 feet or 8 feet above the flood stage of 20 feet. Crop and pastureland along with several roads continued to be flooded and damaged.

Flood in SPINK, SOUTH DAKOTA
From 01-APR-11 00:00:00 to 30-APR-11 23:59:00 (CST-6)
Location: TULARE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The March Turtle Creek flooding continued throughout much of April with a short break in the middle of the month when it went below flood stage. The highest stage of 16 feet was reached in late March.  The flood stage on Turtle Creek is 7 foot.

Flood in CORSON, SOUTH DAKOTA
From 02-APR-11 07:00:00 to 04-APR-11 07:00:00 (MST-7)
Location: MAPLE LEAF
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Oak Creek near Wakpala went above the flood stage of 10 foot for a few days in early April. The creek did rise to 14.3 feet in late March.