A deep and expansive snow pack across the area began to melt bringing many areas of flooding to central and northeast South Dakota from mid through late March. The flooding continued into April. Many roads along with countless acres of crop and pastureland were flooded. Roads, culverts, and bridges were damaged across the region. Several roads were washed out with many closed. Many homes were threatened with some surrounded by water. Many people had to use four-wheelers to get to their homes. A Presidential Disaster was declared for all of the counties do to the flooding damage.  The damage estimates were from 4.5 to 5 million dollars for the area.

Flood in SPINK, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: MANSFIELD
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Snowmelt flooding occurred across parts of Spink county flooding many roads along with agricultural and cropland. The Snake Creek from Redfield and south went above the flood stage of 11.5 feet on March 22nd rising to 17.5 feet on the March 24th. The creek continued to flood into April. Also, the rising Redfield Lake threatened four homes where sandbagging took place.

Flood in SULLY, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: LAUREL
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in POTTER, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: GETTYSBURG
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in HYDE, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: HOLABIRD
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in FAULK, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: ONAKA
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in HAND, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: POLO
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in EDMUNDS, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: BOWDLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Many county and township roads were flooded and damaged in Edmunds county including U.S. Highway 12.  The flooding of U.S. Highway 12 severely affected the busy highway traffic. Several roads were also closed across the county.

Flood in DAY, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: PIERPONT
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in MARSHALL, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: NEWARK
Flood cause: Heavy Rain / Snow Melt
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Snow melt brought flooding across much of Marshall county. Many roads along with crop and pastureland were flooded. The lake levels also rose across the county. In the early morning hours of March 18th, the creek northeast of Langford became blocked by snow and ice, causing water to run into Langford streets and the house basements. Some people had a couple of feet of water in their basements. The basements of at least two homes in Langford had collapsed.  The water receded during the late afternoon.

Flood in CLARK, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: CROCKER
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in ROBERTS, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: DAHLBERG
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in GRANT, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: HILAND
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in BUFFALO, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: FT THOMPSON
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in HUGHES, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: PIERRE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Flood in BROWN, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: WINSHIP
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Snowmelt flooding again affected much of Brown county this year, especially in northeast Brown county in the Claremont region. Many roads again went under water along with countless acres of farmland. Also, several creeks rose to near or above flood stage including the Moccasin and Foote creeks. The Maple River in northwest Brown county also went above flood stage for a couple days at the end of the month. The Maple River went above the flood stage of 10 feet to 11.7 feet and then back below flood stage from the 24th to the 26th.

Flood in CODINGTON, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: WALLACE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Snowmelt flooding occurred across parts of Codington county including on Willow and Mud creeks for a short time at the end of the month. Crop and pastureland along with several roads were flooded from mid through late March. Lake Kampeska was also on the rise through the end of the month and beginning to threaten property.

Flood in HAMLIN, SOUTH DAKOTA
From 15-MAR-11 08:00:00 to 31-MAR-11 23:59:00 (CST-6)
Location: HAZEL
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Snowmelt water caused the biggest issues for the people of Hamlin county with rising lake levels along with many roads, crop and pastureland flooded.  The rising level on Lake Poinsett would eventually cause the most damage in the county in April. See storm data entry on April Hamlin county lakeshore flooding.