Flood of June 15-17, 1998, Nishnabotna and East Nishnabotna Rivers, Southwest Iowa, HR-140

Record flooding occurred June 15-17, 1998, in the Nishnabotna and East Nishnabotna River basins following severe thunderstorm activity over southwest Iowa. More than 8 inches of rain fell over a large part of Cass County. The rain gage at Atlantic, Iowa recorded a 24-hour total rainfall of 13.18 inches, which established a new official State record for the greatest amount of rainfall in a 24-hour period. The peak discharge was 41,400 cubic feet per second in the East Nishnabotna River near Atlantic, 60,500 cubic feet per second in the East Nishnabotna River at Red Oak, and 65,100 cubic feet per second in the Nishnabotna River above Hamburg. The peak discharge at Atlantic was greater than the theoretical 200-year flood and the peak discharges at Red Oak and Hamburg were greater than the respective theoretical 500-year floods. Information about the basin, the rain storms, the flooding, and a profile of high water marks at selected intervals along the Nishnabotna and East Nishnabotna Rivers are presented in this report.

Atlantic Iowa, June 30, 2002

City Audit Report

City of Atlantic, June 30, 2003

City Audit Report

City of Atlantic, Independent Auditor's Reports, Basic Financial Statements and Supplementary Information, Schedule of Findings and Questioned Costs, June 30, 2004

City Audit Report

City of Atlantic, Independent Auditor's Reports, Basic Financial Statements and Supplementary Information, Schedule of Findings and Questioned Costs, June 30, 2005

City Audit Report

Audit report on the City of Atlantic, Iowa for the year ending June 30, 2006

Audit report on the City of Atlantic, Iowa for the year ending June 30, 2006.

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2007

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2007

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2008

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2008

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2009

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2009

Report on a special investigation of the Region 4 Fusion Office in Atlantic, Iowa for the period March 1, 2006 through August 31, 2009

Report on a special investigation of the Region 4 Fusion Office in Atlantic, Iowa for the period March 1, 2006 through August 31, 2009

Reaudit report on Cass County Memorial Hospital in Atlantic, Iowa for the period July 1, 2008 through June 30, 2009

Reaudit report on Cass County Memorial Hospital in Atlantic, Iowa for the period July 1, 2008 through June 30, 2009

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2010

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2010

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2011

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2011

Report on a special investigation of the Southwest Iowa Transit Agency for the period July 1, 2011 through June 30, 2012

Report on a special investigation of the Southwest Iowa Transit Agency for the period July 1, 2011 through June 30, 2012

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2012

Audit report on the City of Atlantic, Iowa for the year ended June 30, 2012