Steam Pump Ranch

Listed on the National Register of Historic Places in 2009.

From the record

One of 204 National Register listings published here for Pima County · listed in 2009 · category: District.

Sources: the case file at the National Archives · the National Register database, National Park Service

The listing

Address. 10901 Oracle Rd., Oro Valley, 85737
When was it listed? September 2009
Category. district
Also known as. Cattle Ranching in Arizona MPS
Census division. Tucson
National Register reference number. 09000668 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

98 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 98 fires within 5 miles of Steam Pump Ranch between 1992 and 2020, burning about 126,691 acres in total. 20 started naturally. 2 were 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
Missing data/not specified/undetermined	70
Natural	20
Misuse of fire by a minor	2
Equipment and vehicle use	2
Arson/incendiarism	2
Other causes	1
Power generation/transmission/distribution	1

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
9 September 2011	Natural	under an acre	Coronado National Forest	ALAMO
5 September 2020	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - State Office	not named
29 September 2018	Missing data/not specified/undetermined	under an acre	Golder Ranch Fire District	1829385
30 August 2018	Missing data/not specified/undetermined	under an acre	Golder Ranch Fire District	1826035
3 August 2019	Missing data/not specified/undetermined	under an acre	Golder Ranch Fire District	NOT NAMED
29 August 2019	Missing data/not specified/undetermined	under an acre	Northwest Fire Rescue District	NOT NAMED
23 August 2015	Natural	3.0 acres	Coronado National Forest	BIGHORN MOUNTAIN
22 August 2018	Missing data/not specified/undetermined	under an acre	Golder Ranch Fire District	1825034

Every fire recorded in Pima County

Mines and quarries near this property

10 of 14 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 14 workings within 5 miles of Steam Pump Ranch: 12 occurrences, 1 unknown, 1 prospect. None of them still produces. What was taken out: Copper, Copper, Gold, Silver, Uranium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Dumar Claims	Uranium	Prospect
El Oro Group	Copper, Gold, Silver	Unknown
Unnamed Prospect Ml10	Copper	Occurrence	Vein
Unnamed Prospect Ml108	Copper	Occurrence	Unknown
Unnamed Prospect Ml11	Copper	Occurrence	Vein
Unnamed Prospect Ml15	Copper	Occurrence	Copper
Unnamed Prospect Ml16	Copper	Occurrence	Vein
Unnamed Prospect Ml17	Copper	Occurrence	Vein
Unnamed Prospect Ml18	Copper	Occurrence
Unnamed Prospect Ml19	Copper	Occurrence	Vein

Every working recorded in Pima County

Storms near this property

1 since 1996

Regional context, not property-specific evidence. The National Weather Service names Oro Valley, the town this property stands in, in 1 storm report in 1996: 1 thunderstorm wind. 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
September 1996	Thunderstorm Wind	Oro Valley	-	no account filed

Every storm recorded in Pima County

Map coverage status

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.

Listed places nearby

6 within 8 miles

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.

Property	Distance	Listed
Catalina Foothills Estates Apartments	5.9 miles	2015
Gordon Residence	6.1 miles	2024
Catalina Townhouses Historic District	6.1 miles	2020
DeGrazia Gallery in the Sun Historic District	6.3 miles	2006
Casa Juan Paisano	6.6 miles	2013
Jacobson House	6.8 miles	2022

Sources for this property

National Archives record	The nomination case file for reference 09000668 in Record Group 79.
Pima County	All 204 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
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.