Listed on the National Register of Historic Places in 1981.
“Delmar Calaboose is a historic one-room jail located in Delmar, Iowa, United States. The word calaboose is a corruption of the Spanish word calabozo, which means dungeon.”
Wikipedia article Delmar Calaboose, CC BY-SA 4.0.
One of 33 National Register listings published here for Clinton County · listed in 1981 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 7 fires within 5 miles of Delmar Calaboose between 2009 and 2017, burning about 41 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Debris and open burning | 4 |
| Missing data/not specified/undetermined | 3 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 5 June 2017 | Missing data/not specified/undetermined | 3.0 acres | Iowa Department of Natural Resources | not named |
| 9 April 2014 | Debris and open burning | 10 acres | Iowa Department of Natural Resources | not named |
| 9 March 2017 | Debris and open burning | 2.0 acres | Iowa Department of Natural Resources | not named |
| 3 March 2011 | Missing data/not specified/undetermined | under an acre | Iowa Department of Natural Resources | 2439 296TH, IA |
| 13 March 2012 | Debris and open burning | 15 acres | Iowa Department of Natural Resources | not named |
| 13 March 2009 | Missing data/not specified/undetermined | 10 acres | Iowa Department of Natural Resources | not named |
| 5 January 2012 | Debris and open burning | 1.0 acres | Iowa Department of Natural Resources | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of Delmar Calaboose: 3 past producers. None of them still produces. What was taken out: Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Clark Quarry | Stone, Crushed/Broken | Past Producer | ||
| Holtz Quarry | Stone, Crushed/Broken | Past Producer | ||
| Petersville Quarry | Stone, Crushed/Broken | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Delmar, the town this property stands in, in 23 storm reports between 1994 and 2024: 13 thunderstorm wind, 7 hail, 2 tornado, 1 funnel cloud. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| April 2004 | Tornado (F1) | Delmar | $30,000 | Rated low end F1;winds estimated at 75 mph. |
| April 1995 | Thunderstorm Wind | Delmar | $30,000 | no account filed |
| June 1997 | Thunderstorm Wind | Delmar | $20,000 | Winds destroyed a large barn killing one of four steers inside. |
| July 2006 | Thunderstorm Wind | Delmar | $5,000 | trees and power lines down |
| August 2006 | Thunderstorm Wind | Delmar | $5,000 | Several trees were reported down in the town. |
| August 2006 | Thunderstorm Wind | Delmar | $5,000 | A stopped semi was blown over near the junction of highway 136 & U.S. 61. |
| August 1994 | Hail | Delmar | $5,000 | no account filed |
| September 2000 | Thunderstorm Wind | Delmar | $3,000 | no account filed |
| May 2024 | Hail | Delmar | - | Report from Mping. |
| May 2024 | Thunderstorm Wind | Delmar | - | Trees and powerlines blown down in Delmar, Iowa. |
| September 2019 | Thunderstorm Wind | Delmar | - | Several trees were snapped in Delmar. |
| April 2019 | Thunderstorm Wind | Delmar | - | A trained spotter reported a thunderstorm wind gust of 60 MPH. |
| August 2018 | Tornado (EF0) | Delmar | - | An EF-0 tornado caused damage to soybeans and trees along its half mile path. A trained spotter report and videos were used to determine the time of the tornado. The peak estimated winds were 65 MPH. |
| June 2014 | Thunderstorm Wind | Delmar | - | Law enforcement observed a semi-truck overturned. |
| June 2011 | Hail | Delmar | - | Quarter sized hail fell in Delmar, IA at 718 pm CDT June 15. |
| June 2011 | Hail | Delmar | - | Quarter sized hail continued to fall in Delmar, IA at 721 pm CDT June 15. In addition, heavy rains produced some minor street flooding. |
| June 2008 | Hail | Delmar | - | Quarter-sized hail fell just east of Delmar, IA at 9:06 am June 12. |
| September 2000 | Thunderstorm Wind | Delmar | - | Several trees blown down. |
| May 2024 | Thunderstorm Wind | Delmar | - | no account filed |
| June 2011 | Hail | Delmar | - | no account filed |
| May 2002 | Hail | Delmar | - | no account filed |
| March 1998 | Funnel Cloud | Delmar | - | no account filed |
| April 1995 | Thunderstorm Wind | Delmar | - | no account filed |
No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.
Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Milwaukee Chicago St. Paul & Pacific Depot- Delmar | 0.1 miles | 1997 |
 | Wilson District #7 School | 3.5 miles | 2004 |
| National Archives record | The nomination case file for reference 81000231 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Clinton County | All 33 listed properties in this county. |
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