Higher flows from rainfall and snow melt were sustained by heavy rainfall again at the end of March and beginning of April.  A drier period heading into mid-month allowed the river to fall below flood stage.

Flood in BROOKINGS, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 08-APR-20 02:00:00 (CST-6)
Location: BRUCE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from March, the Big Sioux River near Estelline (gage site BSES2) moved briefly above flood stage early in the month.  Then, after dropping briefly below flood stage on April 3, the river rose back above flood stage on April 6 and crested 0.09 feet above flood stage on April 7.  Impacts were limited to significant flooding of crop and pasture land.

Flood in BROOKINGS, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 12-APR-20 14:00:00 (CST-6)
Location: BRUCE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from March, the Big Sioux River near Bruce (gage site BRCS2) began the month 0.53 feet above flood stage.  The river maintained a slow and steady fall  through early April with mainly minor agricultural flooding near the river.

Flood in MOODY, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 07-APR-20 08:00:00 (CST-6)
Location: FLANDREAU
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of minor flooding from March, the Big Sioux River near Brookings (gage site BRKS2) began the month at 0.68 feet above flood stage, with a slow and steady fall through the start of the month. Several rural roads and a great deal of agricultural land were inundated.

Flood in MINNEHAHA, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 04-APR-20 01:00:00 (CST-6)
Location: DELL RAPIDS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from March, the Big Sioux River below Dell Rapids (gage site DERS2) began the month 0.16 feet above flood stage, and slowly fell below flood stage by April 4. Main impact continued to be flooding of agricultural lands near the river.

Flood in MINNEHAHA, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 08-APR-20 00:00:00 (CST-6)
Location: RENNER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from March, the Big Sioux River at Sioux Falls I-90 (gage site SFLS2) crested April 2 at 0.63 feet above flood stage.  Flooding of agricultural lands near the river occurred north of Sioux Falls.

Flood in LINCOLN, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 04-APR-20 02:00:00 (CST-6)
Location: SHINDLER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from March, the Big Sioux River at Brandon (gage site BBSS2) began the month 0.30 feet above flood stage, before falling back below flood stage on April 4. Extensive flooding of agricultural land occurred near the river, and the north access road to the Big Sioux Recreation Area was flooded.

Flood in MINNEHAHA, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 04-APR-20 02:00:00 (CST-6)
Location: BRANDON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from March, the Big Sioux River at Brandon (gage site BBSS2) began the month 0.30 feet above flood stage, before falling back below flood stage on April 4. Extensive flooding of agricultural land occurred near the river, and the north access road to the Big Sioux Recreation Area was flooded.

Flood in UNION, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 04-APR-20 04:00:00 (CST-6)
Location: ALCESTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of minor flooding from March, the Big Sioux River above Hawarden (gage site HWDI4) began the month 1.59 feet above flood stage, with a steady and slow drop at the start of the month to below flood stage on April 4. Impacts continued with significant flooding of crop and pasture land.

Flood in UNION, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 05-APR-20 08:00:00 (CST-6)
Location: BIG SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 32.00K
Reported by: River/Stream Gage

A continuation of minor flooding from March, the Big Sioux River at Akron (gage site AKRI4) began the month at 1.63 feet above flood stage, with a slow and steady fall to below flood stage on April 5. Significant flooding of crop and pasture land persisted at the start of the month. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.

Flood in UNION, SOUTH DAKOTA
From 01-APR-20 00:00:00 to 05-APR-20 09:00:00 (CST-6)
Location: RICHLAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of minor flooding from March, the Big Sioux River near Richland (gage site BSRS2) began the month 1.67 feet above flood stage, with a steady and slow fall to below flood stage by April 5. Significant agricultutal lands near the river remained flooded.