Relentless rainfall during July 2019 brought basin averages from 6 to 10 inches north of Interstate 90 and 4 to 6 inches south of Interstate 90.  As a result, flooding along the Big Sioux River either continued, or was renewed, during the month.

Flood in UNION, SOUTH DAKOTA
From 01-JUL-19 00:00:00 to 28-JUL-19 13:30:00 (CST-6)
Location: BIG SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from June 2019. There were several crests through July, but the most significant for the Big Sioux River at Akron (gage site AKRI4) was a crest 2.54 feet above flood stage on July 19. Significant flooding of crop and pasture land persisted.

Flood in BROOKINGS, SOUTH DAKOTA
From 01-JUL-19 03:00:00 to 31-JUL-19 23:59:00 (CST-6)
Location: BRUCE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River near Estelline (gage site BSES2) crested at moderate levels 2.22 feet above flood stage on July 10 and again 1.83 feet above flood stage on July 16, causing significant flooding of crop and pasture land.  Minor flooding continued at the end of the month.

Flood in BROOKINGS, SOUTH DAKOTA
From 01-JUL-19 03:00:00 to 31-JUL-19 23:59:00 (CST-6)
Location: BRUCE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River near Bruce (gage site BRCS2) returned quickly to flood stage to start the month. Much of the month was spent at moderate flood stage, with a crest 1.81 feet above flood stage on July 3, followed by the fifth highest crest on record at 2.55 feet above flood stage on July 11. Significant flooding of crop and pasture land occurred throughout the month, and several county roads were inundated by water. Minor flooding continued at the end of the month.

Flood in MOODY, SOUTH DAKOTA
From 02-JUL-19 22:00:00 to 31-JUL-19 23:59:00 (CST-6)
Location: FLANDREAU
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River near Brookings (gage site BRKS2) rapidly returned above flood stage early in the month. A crest of 3.24 feet above flood stage occurred around 1900CST on July 13, with a secondary crest of 1.56 feet above flood stage on July 31.
Significant amounts of agricultural land remained flooded. A few rural roads near the gage site were also flooded.

Flood in UNION, SOUTH DAKOTA
From 02-JUL-19 03:00:00 to 26-JUL-19 11:30:00 (CST-6)
Location: ALCESTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River above Hawarden (gage site HWDI4) crested 2.99 feet above flood stage on July 6. After less than 24 hours below flood stage during July 14-15, a secondary crest of 3.92 feet above flood stage occurred on July 19, resulting in significant flooding of crop and pasture land.

Flood in UNION, SOUTH DAKOTA
From 01-JUL-19 00:00:00 to 28-JUL-19 21:00:00 (CST-6)
Location: RICHLAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

A continuation of flooding from June, the Big Sioux River near Richland (gage site BSRS2) crested 2.08 feet above flood stage on July 7 and 2.36 feet above flood stage on July 20, resulting in significant flooding of crop and pasture land.