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Power County, Idaho

39 topographic sheets cover 14 settlements here, and 12 properties are on the National Register of Historic Places.

Research this county

From the record

12 National Register listings published here.

Sources: the National Register database, National Park Service

Idaho within the United States
Power County within Idaho

What the record shows

  • 161 topographic sheet readings cover the county's settlements.
  • 12 properties here are on the National Register of Historic Places: 7 buildings, 2 districts, 1 site, 1 structure and 1 object.
  • 4 of the 12 listings were added during the 1970s.
  • The Geographic Names Information System records 14 populated places in this county; 14 are covered by at least one topographic sheet.

Places on the National Register

12

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
American Falls East Shore Power Plantsbuilding197676000680
American Falls Reservoir Flooded Townsitesite200201001480
Bethany Deaconess Hospitalbuilding199595000507
William Davie Housebuilding200808000252
Oneida Milling and Elevator Company Grain Elevatorstructure199393000380
Oregon Trail Historic Districtdistrict197373000688
Oregon Trail Historic District (Boundary Increase)district197474002296
Power County Courthousebuilding198787001601
Register Rockobject197878001097
Walter Sparks Housebuilding200707000002
St. John's Episcopal Churchbuilding200707000004
Richard and Winnie Warwas Housebuilding200606000741

Wildfire, 1992 to 2020

345 fires

Every wildfire the federal occurrence database records inside this county: 345 of them, burning about 538,655 acres. 212 started naturally and 13 were recorded as arson. Each settlement page carries the fires within five miles of it.

Reported cause Fires
Natural212
Missing data/not specified/undetermined46
Equipment and vehicle use24
Arson/incendiarism13
Power generation/transmission/distribution13
Debris and open burning11
Recreation and ceremony11
Railroad operations and maintenance6
Smoking5
Firearms and explosives use3
Misuse of fire by a minor1

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

DateCause SizeReported by Name on the report
15 August 2006Natural220,042 acresIdaho Falls DistrictCRYSTAL
4 August 2017Missing data/not specified/undetermined55,529 acresFort Hall AgencyPOWERLINE
26 July 2000Natural53,605 acresIdaho Falls DistrictFLAT TOP
18 September 1999Natural23,006 acresIdaho Falls DistrictGRANDVIEW
26 July 2000Natural17,479 acresIdaho Falls DistrictFISHER SPG
31 August 1998Natural12,606 acresIdaho Falls DistrictEAGLE #2
5 August 2010Natural12,474 acresIdaho Falls DistrictROOSTER ROCK
26 July 2000Natural11,414 acresIdaho Falls DistrictMOONSHINE

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

Storms, 1956 to 2026

60 of 196 shown

The NOAA Storm Events Database holds 196 reports for this county, causing no deaths, no injuries and about $1,449,000 in recorded property damage. Each settlement page carries the reports that name it.

Kind of event Reports
Thunderstorm Wind94
Hail29
Flash Flood28
Tornado17
Heavy Rain10
Funnel Cloud10
Wildfire4
Flood4

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
February 2000Tornado (F0)American Falls$375,000A large metal farm building was damaged 6W of Pocatello airport: siding pushed in and roof partially removed. Nearby, a cinder block and a steel framed potato storage buildings collapsed. A large grain silo sustained severe damage. A recreation fee building destroyed and several large trees downed at Willow Bay county park. Throughout the tornado's path, irrigations center pivots flipped and wheel line systems twisted.
February 2017FloodRoy$329,000A warmup in February caused extensive sheet flooding throughout Power County damaging roads and closing many of them in the 8th through 12th time period. Teh Interstate 86 exit 44 for Seagull Bay was closed due to water on the roadway along with several county roads as well.
August 1990Tornado (F2)not stated$250,000no account filed
March 2006Thunderstorm WindAmerican Falls$75,000no account filed
February 2000Thunderstorm WindCountywide$70,000Two homes sustained roof damage. Ten wheel line irrigations systems were damaged.
March 2006Thunderstorm WindAmerican Falls$70,000no account filed
July 1999Tornado (F1)Pocatello Arpt$50,000The tornado was observed by NWS personnel on duty at the weather office as it touched down at the Bannock Peak Trading Post off Interstate 86. The tornado caused a tractor-trailer to tip onto its side, blow windows out of the truck and a motor home as well as damaging four other vehicles. As the tornado skipped along its path it was readily seen by hundreds of people in the city of Pocatello some 13 miles to the east.
March 2006Thunderstorm WindMichaud$30,000no account filed
October 2019Thunderstorm WindAmerican Falls$25,000About 30 large hardwood trees either uprooted or snapped due to a likely microburst. One tree caused moderate damage to a RV, while another destroyed a pickup truck parked nearby. Another tree fell onto a baseball field fence. An open ended trailer rolled one turn on it's side significantly damaging it. A nearby heavy metal picnic table was flipped and shingle damage noted on a marina facilities building.
March 2017FloodRoy$25,000Flooding continued in March although the severity decreased substantially from February. Had a lot of minor basement flooding and damage and continued road damage from the snow melt.
May 1964Tornado (F1)not stated$25,000no account filed
December 2025Thunderstorm WindAmerican Falls$15,000A semi was blown over on interstate 86 near exit 44.
August 2023Flash FloodAmerican Falls$15,000Over 2 inches of rain fell in a 3 hour period in American Falls resulting in flash flooding. Pocatello Avenue flooded with water coming halfway up tires. The construction site at American Falls High School flooded with sandbags required. Multiple houses flooded as storm drains could not catch up with the heavy rainfall.
September 2012Thunderstorm WindAmerican Falls$10,000Idaho Power lost three 60 foot towers near East Road in American Falls.
February 2000HailArbon$10,000Hail damage occurred to several vehicles.
August 2006Tornado (F0)American Falls Arpt$10,000no account filed
May 2005Thunderstorm WindAmerican Falls$6,000no account filed
December 2025Thunderstorm WindAmerican Falls$5,000Multiple trees and power lines downed on Pleasant Valley Rd and South Pleasant Valley Rd.
August 2013Flash FloodAmerican Falls$5,000Over one inch of rain fell in less than an hour with 1.31 inches total. Houses on the southwest side of town had basement flooding with flooding in the downtown construction area.
February 2012FloodRockland$5,000Several roads flooded with debris in the southern part of the Arbon Valley due to rain and snow melt.
February 2006Flash FloodEast Portion$4,500no account filed
December 2025Thunderstorm WindAmerican Falls$4,000Wires downed and power outages in American Falls.
May 2024Thunderstorm WindAmerican Falls$4,000Trees downed in west of American Falls.
August 2022Flash FloodRoy$4,000Flash flooding occurred north of Roy due to an inch of rain. Minor road damage on Lawery Lane with the South Fork Rock Creek and Simms Rd showing damage. Debris was reported across Idaho route 37 by a local farmer. A basement also was reported flooded.
May 2015Thunderstorm WindAmerican Falls$3,000Large tree uprooted and downed due to thunderstorm winds near American Falls. Created 6 to 8 foot deep crater and landed on a home.
July 2004Flash FloodRockland$2,500no account filed
July 1981Tornado (F1)not stated$2,500no account filed
June 2015Thunderstorm WindAmerican Falls$2,000Idaho State Journal reported several large tree limbs down as well as power lines and road signs west of American Falls.
September 2013Flash FloodPauline$2,000One basement flooded in the Bannock Creek District of the Fort Hall Indian Reservation near Rooster Rock. Cars were washed down a road for a half mile. Water carried debris out of the mountains into the valley and took out fences along side of road from Rooster Rock to the road going to Bannock Peak. The main impacted area was from Rattlesnake to the Bannock Creek Community Center.
March 2011Thunderstorm WindAmerican Falls$2,000Extensive damage and warning level winds occurred with the passage of a cold front the evening of March 10th. A roof was blown off a building in American Falls into power lines with power outages in the city for up to an hour. Wind speeds of 78 mph were measured in American Falls. The winds also downed some power lines.
August 2007Thunderstorm WindAmerican Falls$2,000Several trees downed to the east of American Falls with power outages.
September 2022Thunderstorm WindRockland$1,500Several large trees damaged with a few down along East Fork or Rock Creek east, southeast of Rockland.
June 2024Thunderstorm WindAmerican Falls$1,000Large tree several feet in diameter uprooted and down on top of a house along Van Buren St.
June 2024Thunderstorm WindAmerican Falls$1,000A large tree uprooted and downed in a yard.
June 2024Thunderstorm WindAmerican Falls$1,000Tree snapped off in the area of Fort Hall Ave and Madison St.
June 2024Flash FloodAmerican Falls$1,000Several commercial and residential streets under water. One residential street experienced significant damage and erosion.
August 2021Thunderstorm Wind(Pih)Pocatello Muni$1,000Thunderstorms damaged power lines and knocked out power to parts of Michaud and Fort Hall Reservation.
May 2015Thunderstorm Wind(Pih)Pocatello Muni$1,000A trained spotter reported fallen branches from trees and one tree had fallen on a service line 2 miles west fo the Pocatello airport.
August 2014Flash FloodAmerican Falls$1,000Flash flooding reported in American Falls with standing water on roadways and a basement flooded at one residence.
May 2014Tornado (EF0)American Falls$1,000A tornado was spotted about 10 miles west-northwest of American Falls around 640 PM MDT and it moved slightly north-northwest until around 7 pm MDT. It was located 1.2 mile north-northwest of the intersection of North Pleasant Valley Road and County Line Road at 641 pm MDT. A damage survey showed damage to a residence on North Pleasant Valley Road between Schritter and County Line Roads. Multiple trees were uprooted or had branches torn off. Shingles were torn off the hours and a shed door was damaged and blown off its hinges. There were also isolated reports of irrigation line damage as the tornado moved through mostly open fields. No other damage was found.
April 2002Thunderstorm WindAmerican Falls$1,000no account filed
August 2024Thunderstorm WindAmerican Falls$500Large tree limb fell on fence in American Falls.
June 2024Flash FloodAmerican Falls$300Flash flooding occurred across roads and fields in the areas of Bragg Rd and Neibur Rd with several inches of water in a garage.
June 2024Flash FloodAmerican Falls$100Intersection of Fort Hall Ave and Harrison St flooded.
June 2024Flash FloodAmerican Falls$100Water reported across the interstate 86 eastbound exit ramp at exit 40.
April 2026Thunderstorm WindCold Water-A 61 mph thunderstorm outflow wind gust was measured at the Cold Water ITD mesonet site.
April 2026Thunderstorm Wind(Pih)Pocatello Muni-A 61 mph thunderstorm outflow wind gust was measured at the Pocatello Regional Airport ASOS site.
May 2025Thunderstorm WindMichaud-The ASOS at the Pocatello Regional Airport recorded a 59 mph wind gust.
June 2025Hail(Pih)Pocatello Muni-Hail at 1.25 inches fell at the National Weather Service Office at the Pocatello Regional Airport.
August 2025Thunderstorm WindAmerican Falls-A 58 mph wind gust recorded at mesonet station 2977 D5 Arbon Valley.
July 2025Thunderstorm Wind(Pih)Pocatello Muni-A 61 mph thunderstorm outflow wind gust measured at the Pocatello Regional Airport ASOS site.
July 2025HailCold Water-One inch hail in the area of Interstate 86 Exit 21 Osborn Loop near and just east of Cold Water Rest Area.
December 2025Thunderstorm WindArbon-A 76 mph wind gust was measured at the Arbon Valley ITD mesonet site.
December 2025Thunderstorm Wind(Pih)Pocatello Muni-A 61 mph wind gust measured by the Pocatello Regional Airport ASOS.
September 2025HailRoy-Hail along Side Canyon Rd. Covered the ground.
September 2025Thunderstorm WindCrystal-Idaho Power reported thunderstorm winds resulted in power outages form the south end of Pocatello southwest down to the Arbon Valley.
May 2024Thunderstorm WindAmerican Falls-Idaho Power reported 100 customers lost power west of Aberdeen.
May 2024Thunderstorm Wind(Pih)Pocatello Muni-A 63 mph gust measured at the Pocatello Airport at 6 pm EDT and a 64 mph gust measured at 6:07 pm EDT.
May 2024Thunderstorm WindCold Water-A 64 mph wind gust measured at the Coldwater ITD mesonet site.
May 2024Thunderstorm Wind(Pih)Pocatello Muni-Idaho Power reported over 150 customers without power from west Chubbuck to American Falls Reservoir.

Mines and quarries

75 recorded

The Survey's mineral resources record lists 75 workings inside this county. 7 still produce and 68 are closed or unrecorded. Each settlement page carries the workings within five miles of it.

Commodity Workings
Gold47
Sand and Gravel, Construction7
Pumice6
Mercury4
Geothermal4
Clay2
Phosphorus-Phosphates2
Silver1
Silica, Stone, Quartz1
Lead, Silver1
Stone, Dimension1
Stone1
Barium-Barite1

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

Where SiteCommodity StatusRecorded
Bannock Apex 1Gold, Lead, SilverPast Producer
Barite ProspectBarium-Barite, MercuryUnknown
Idaho PlacerGold, SilverPast ProducerPlacer
Kit QuarrySilica, Stone, QuartzProducerQuartzite
Unnamed LocationStonePast Producer
Wapi FlowStone, DimensionProducer
Clay DepositClayOccurrenceClay
Clay DepositClayOccurrenceClay
FMC Elemental Phosphorus PlantPhosphorus-PhosphatesUnknown
Simplot Don PlantPhosphorus-PhosphatesUnknown
Broken Arrow RanchGeothermalOccurrence
Geothermal LocationGeothermalOccurrence
Geothermal Location 10S-30E-24BAGeothermalOccurrence
Geothermal Location 8S-31E-17GeothermalOccurrence
Juniper Hill MineMercuryPast Producer1931
Juniper Hills Mining Co.MercuryUnknown
Sunbeam 1MercuryPast Producer
Eliason Ranch Pumice DepositPumiceProspectPumice
Pumicite DepositPumiceOccurrence
Pumicite DepositPumiceOccurrence
Pumicite DepositPumiceProspect
Pumicite DepositPumiceOccurrence
Rocky Hollow Pumicite OccurrencePumiceProspect
Gravel PitSand and Gravel, ConstructionProducer
Gravel PitSand and Gravel, ConstructionUnknown
Gravel PitSand and Gravel, ConstructionUnknown
Power County HighwaysSand and Gravel, ConstructionProducer
Power County HighwaysSand and Gravel, ConstructionProducer
Power County HighwaysSand and Gravel, ConstructionProducer
Power County HighwaysSand and Gravel, ConstructionProducer
Albert PlacerGoldPast ProducerPlacer
Amber PlacerGoldPast ProducerPlacer
Bannock Peak Saddle ProspectGoldProspect
Big BendGoldPast Producer
Black Rock PlacerGoldPast ProducerPlacer
Bonanza Bar PlacerGoldPast ProducerPlacer
Cassie PlacerGoldPast ProducerPlacer
Cedar PlacerGoldPast ProducerPlacer
Cliff PlacerGoldPast ProducerPlacer
E. H. Albert Farm PlacerGoldPast ProducerPlacer
Emigrant Bar PlacerGoldPast ProducerPlacer
Excelsior PlacerGoldPast ProducerPlacer
Fraction PlacerGoldPast ProducerPlacer
Gifford-Sampson Co. Farm PlacerGoldPast ProducerPlacer
Gold Bar PlacerGoldPast ProducerPlacer
Gold Crown PlacerGoldPast ProducerPlacer
Gold Field PlacerGoldPast ProducerPlacer
Gold Lake PlacerGoldPast ProducerPlacer
Gold Leaf PlacerGoldPast ProducerPlacer
Golden Treasure Bar PlacerGoldPast ProducerPlacer
Grasshopper PlacerGoldPast ProducerPlacer
Heigh PlacerGoldPast ProducerPlacer
High Bar PlacerGoldPast ProducerPlacer
High Bar PlacerGoldPast ProducerPlacer
Horse Island Placer DepositGoldPast Producer
Lookout PlacerGoldPast ProducerPlacer
Lucky Jim PlacerGoldPast ProducerPlacer
March Morning PlacerGoldPast ProducerPlacer
Meadow PlacerGoldPast ProducerPlacer
Montana PlacerGoldPast ProducerPlacer
Neely Placer DepositGoldPast Producer
New Bonanza PlacerGoldPast ProducerPlacer
North Star PlacerGoldPast ProducerPlacer
O. J. Cleveland Farm PlacerGoldPast ProducerPlacer
Oneida PlacerGoldPast ProducerPlacer
Orphan Boy PlacerGoldPast ProducerPlacer
Poor Boy PlacerGoldPast ProducerPlacer
Rescue PlacerGoldPast ProducerPlacer
Rose PlacerGoldPast ProducerPlacer
Sample PlacerGoldPast ProducerPlacer
Spotted Fawn PlacerGoldPast ProducerPlacer
Tiger PlacerGoldPast ProducerPlacer
Tonupoh PlacerGoldPast ProducerPlacer
Twin Bull PlacerGoldPast ProducerPlacer
Wyoming PlacerGoldPast ProducerPlacer

Every populated place in the county

14

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.

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.