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Calhoun County, Iowa

22 topographic sheets cover 21 settlements here, and 13 properties are on the National Register of Historic Places.

Research this county

From the record

13 National Register listings published here.

Sources: the National Register database, National Park Service

Iowa within the United States
Calhoun County within Iowa

What the record shows

  • 170 topographic sheet readings cover the county's settlements.
  • 13 properties here are on the National Register of Historic Places: 10 buildings and 3 structures.
  • The Geographic Names Information System records 21 populated places in this county; 21 are covered by at least one topographic sheet.

Places on the National Register

13

Every property in this county listed on the National Register of Historic Places, with the year it was listed and the federal nomination document.

Photograph PropertyType ListedReference
Calhoun County Courthousebuilding198181000227
Central Schoolbuilding198585000001
Chicago and North Western Office Building/Passenger Depot-Lake Citybuilding199090001205
First National Bank of Pomeroybuilding2023100009076
Perry C. and Mattie Forrest Holdoegel Housebuilding199291001831
Lake City Community Memorial Buildingbuilding199090001210
Lake City Public Librarybuilding199090001209
Lake City Water Standpipestructure199090001211
Marsh Rainbow Arch Bridgestructure198988002529
Rockwell City Bridgestructure199898000752
Smith Farmhousebuilding199090001206
Gen. Cass and Belle Smith Housebuilding199090001207
Peter and Mary Smith Housebuilding199090001208

Wildfire, 2001 to 2020

41 fires

Every wildfire the federal occurrence database records inside this county: 41 of them, burning about 295 acres. None started naturally and none was recorded as arson. Each settlement page carries the fires within five miles of it.

Reported cause Fires
Missing data/not specified/undetermined20
Debris and open burning10
Equipment and vehicle use6
Smoking4
Recreation and ceremony1

The five largest, by the area the report gives. None of them was recorded as arson.

DateCause SizeReported by Name on the report
1 October 2012Missing data/not specified/undetermined80 acresIowa Department of Natural Resourcesnot named
29 September 2011Missing data/not specified/undetermined35 acresIowa Department of Natural Resources1 MILE N AND 2 1/4 MILES WEST OF LOHRVILLE, IA
5 April 2013Debris and open burning30 acresIowa Department of Natural Resourcesnot named
26 April 2019Debris and open burning25 acresIowa Department of Natural Resourcesnot named
1 April 2019Debris and open burning15 acresIowa Department of Natural Resourcesnot named
3 October 2012Equipment and vehicle use15 acresIowa Department of Natural Resourcesnot named
16 March 2015Missing data/not specified/undetermined10 acresIowa Department of Natural Resourcesnot named
9 April 2019Debris and open burning10 acresIowa Department of Natural Resourcesnot named

Every settlement page carries the fires within five miles of it - see the settlement index below.

Storms, 1953 to 2025

60 of 370 shown

The NOAA Storm Events Database holds 370 reports for this county, causing 4 deaths, 33 injuries and about $40,914,050 in recorded property damage. Each settlement page carries the reports that name it.

Kind of event Reports
Hail132
Thunderstorm Wind130
Tornado37
Heavy Rain29
Flash Flood23
Funnel Cloud10
Flood7
Lightning2

The most serious of them, by death, then injury, then recorded damage. The accounts are quoted exactly as the forecast office filed them.

WhenEvent Place namedHarm What the report says
June 1979Tornado (F4)not stated3 killed, 26 hurt, $25,000,000no account filed
June 1954Tornado (F4)not stated1 killed, $250,000no account filed
May 2013Thunderstorm WindRinard5 hurt, $3,000no account filed
May 1998HailLohrville1 hurt, $1,000,000no account filed
May 2001Flash FloodCountywide1 hurt, $250,000Injury occurred 1 E of Yetter
July 2021Tornado (EF3)Lake City$2,500,000This was the first and strongest tornado of the day. It developed west southwest of Lake City and produced tree and power line damage. The tornado moved into and across the southern portion of Lake City. Imagery from UAV's and chasers show that the tornado was multi-vortex as it passed through the city. Up to EF2 damage occurred as it passed through town. As the tornado moved east of the town, it began to consolidate into a larger funnel and strengthen. It passed through a farmstead producing considerable damage to the farmhouse and out buildings with EF3 damage noted on the house. The tornado continued for a few more miles and impacted a confinement facility before lifting to the northwest of Lohrville. Fortunately, no injuries or deaths occurred with this tornado.
June 1990Tornado (F2)not stated$2,500,000no account filed
April 1984Tornado (F2)not stated$2,500,000no account filed
May 2015Tornado (EF1)Lake City$1,000,000Tornado moved from Carroll County into Calhoun County. It moved across the western side of Lake City, doing EF1 damage to houses and the high school. It remained in rural areas of Calhoun County for the remainder of it's path, broadening as it went along. The tornado lifted shortly before crossing Highway 20.
May 1998HailLake City$750,000Trees damaged by the hail
August 2009Thunderstorm WindSomers$500,000A trained spotter reports extensive tree, window, roof, and crop damage fro high winds and large hail around somers.
June 2014HailRockwell City$500,000no account filed
July 2010Flash FloodRockwell City$250,000Highway 4 south of Rockwell City is closed due to flooding. Humpty Dumpty Park in Rockwell City is flooded. Water reported in numerous basements in Manson.
May 2015HailLake City$250,000no account filed
June 2014HailRockwell City$250,000no account filed
April 2007FloodFarnhamville$250,000no account filed
July 1986Tornado (F2)not stated$250,000no account filed
June 1998Thunderstorm WindManson$200,000no account filed
June 2014HailRockwell City$150,000Windshields broken in cars across Rockwell City.
June 1996Flash FloodRockwell City$150,000no account filed
May 2015HailManson$100,000no account filed
August 2001Flash FloodNorth Portion$100,000no account filed
August 2007Flash FloodYetter$75,000Six inches of water was reported in basements due to heavy rain. Numerous basements were flooded.
June 1998Flash FloodLytton$75,000no account filed
May 1998HailFarnhamville$75,000no account filed
December 2021Tornado (EF2)Farnhamville$50,000This tornado had a path in both Calhoun and Webster Counties. The path started west northwest of Farnhamville with the tornado heading north northeast passing on the east side of Somers. There was EF2 damage observed to the east southeast of Rinard where large utility poles were snapped. Additional tree and barn damage was observed south of Somers. The path continued top the northeast before exiting the county into Webster County just south of US Highway 20.
June 2018Flash FloodFarnhamville$50,000Law enforcement reported a one mile stretch of P21, Zearing Ave, closed due to water over the road. Depth was unknown at the time, but Calhoun County Sheriff's Deputy felt strongly enough that it needed barricades. The location was between 320th and 330th. Cause likely from Hardin Creek.
May 2015HailManson$50,000Significant damage was done to a vehicle from the large hail.
May 2014Thunderstorm WindLytton$50,000A 26 x 48 tunnel was ripped from the ground and twisted. A playset was blown over. Winds were estimated to be 70 MPH.
June 2010Heavy RainPomeroy$50,000Six inches of water standing in streets. Half inch diameter hail and wind gusts to 20 MPH.
June 2010Flash FloodPomeroy$50,000Underpass and viaduct flooding along Highway 4.
May 2008Tornado (EF1)Somers$50,000A small tornado moved across the northern part of town, causing roof damage to homes and garages.
August 2007Flash FloodKnoke$50,000Numerous vehicles were stranded in flooded streets in Rockwell City.
August 2007Flash FloodManson$50,000Highway 7 was closed east of Manson due to water over the road. All roads in Manson were flooded. Water was over the road at 330th and P21.
May 2005Tornado (F1)Farnhamville$50,000Tornado touched down on a farm north of Farnhamville, damaging several buildings on the farm. The tornado moved from Calhoun County into Webster County.
June 2005Flash FloodCountywide$50,000no account filed
June 2004Flash FloodCountywide$50,000no account filed
April 1998FloodRockwell City$50,000no account filed
June 1998FloodRockwell City$50,000no account filed
March 2006Thunderstorm WindManson$40,000no account filed
May 1998Thunderstorm WindManson$40,000no account filed
May 1998Thunderstorm WindLake City$40,000no account filed
May 2008Tornado (EF0)Farnhamville$30,000A tornado caused damage to 4 farmsteads with damage to trees and some minor damage to the farmstead.
June 1996FloodRockwell City$30,000no account filed
June 2012Thunderstorm WindJolley$25,000Several large trees were blown down across town. One tree fell on top of power lines, knocking them to the ground.
July 2012Thunderstorm WindLohrville$25,000Big limbs down everywhere. Casey's diesel pump blown over and laying on its side. A tree was laying on top of a car. Some crop damage also reported.
September 2012Thunderstorm WindPomeroy$25,000Numerous large tree branches greater than 6 inches in diameter were down. Loose metal sheeting was observed blowing through the streets.
June 2010Flash FloodKnoke$25,000Flooding along Highway D15 near Garber and Janesville Avenues.
August 2007Flash FloodFarnhamville$25,000Streets were reported as impassable with water over the roads south of Farnhamville at 370th and Highway P21.
August 2007Flash FloodKnierim$25,000Water was reported over blacktop county road, making it impassable via semi at 2 to 3 places between Knierim and Twin Lakes.
June 2014HailRockwell City$25,000no account filed
June 2014HailYetter$25,000no account filed
August 2009HailYetter$25,000no account filed
May 1998HailLake City$25,000no account filed
June 1981Tornado (F1)not stated$25,000no account filed
May 1965Tornado (F4)not stated$25,000no account filed
May 2021LightningRockwell City$20,000Emergency management reported a lightning strike to the the county court house, resulting in over 20,000 dollars in damage.
December 2021Tornado (EF1)Wightman$20,000This path was found via storm survey and extended using high resolution satellite imagery. The storm started south southwest of Lohrville and passed just west of town producing mainly tree damage and some minor house damage. The path continue northeast through eastern Calhoun county with additional damage to trees and outbuildings with path clearly evident in satellite imagery. The tornado passed the east side of Knierim and dissipated not long afterwards.
June 2015Thunderstorm WindRockwell City$20,000Multiple large tree branches down in and around Rockwell City.
December 2015FloodYetter$20,000Flooding was reported along the North Raccoon River from near Sac City to northwest of Lanesboro.

Mines and quarries

18 recorded

The Survey's mineral resources record lists 18 workings inside this county. 2 still produce and 16 are closed or unrecorded. Each settlement page carries the workings within five miles of it.

Commodity Workings
Sand and Gravel, Construction18

The least common of them first, because a county's hundredth gravel pit says nothing its first ten did not.

Where SiteCommodity StatusRecorded
Bailey PitSand and Gravel, ConstructionPast Producer
Burke PitSand and Gravel, ConstructionPast Producer
Drennan PitSand and Gravel, ConstructionPast Producer
Johnson PitSand and Gravel, ConstructionPast Producer
Kreft PitSand and Gravel, ConstructionPast Producer
Minor PitSand and Gravel, ConstructionPast Producer
Otto PitSand and Gravel, ConstructionProducer
Packer PitSand and Gravel, ConstructionProducer
Parsons PitSand and Gravel, ConstructionPast Producer
Parsons PitSand and Gravel, ConstructionPast Producer
Tapps PitSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer
UnknownSand and Gravel, ConstructionPast Producer

Every populated place in the county

21

Named settlements recorded in the Geographic Names Information System, each with the topographic sheets covering it. Villages, hamlets and abandoned places alike. Each is shown with the nearest named watercourse or landform and the survey quadrangle it falls on.

The vanished settlements of Calhoun County: the places named above that are no longer on the map.

Provenance

  • Topographic sheets. USGS Historical Topographic Map Collection, county index, measured from the bulk metadata.
  • Fire insurance maps. Library of Congress Sanborn collection, faceted to this county.
  • Photographs. Each place queried individually against the Library of Congress Prints and Photographs search.
  • Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
  • Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
  • Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.