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Photograph of Conconully Dam
Photograph by Bouldernavigator, CC BY-SA 3.0. Via Wikimedia Commons.

Okanogan Project: Conconully Resevoir Dam

Listed on the National Register of Historic Places in 1974.

From the record

One of 16 National Register listings published here for Okanogan County · listed in 1974 · category: Structure.

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

The listing

  • What is counted as historic. The nomination lists 1 structure as contributing to the listing.
  • Address. S of Conconully, Conconully, 98819
  • When was it listed? September 1974
  • Category. structure
  • Census division. Conconully-Riverside
  • National Register reference number. 74001969 - 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

75 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 75 fires within 5 miles of Okanogan Project: Conconully Resevoir Dam between 1992 and 2020, burning about 133,124 acres in total. 37 started naturally. 1 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
Natural37
Recreation and ceremony14
Missing data/not specified/undetermined9
Debris and open burning5
Smoking4
Equipment and vehicle use3
Fireworks2
Arson/incendiarism1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
7 September 1992Smokingunder an acreWashington State Department of Natural Resources Headquartersnot named
5 September 2013Naturalunder an acreWashington State Department of Natural Resources HeadquartersARLINGTON RIDGE
5 September 2013Natural2.0 acresWashington State Department of Natural Resources HeadquartersPRETTY PEACOCK
4 September 2013Naturalunder an acreWashington State Department of Natural Resources HeadquartersB STREET
28 September 2004Recreation and ceremony140 acresWashington State Department of Natural Resources HeadquartersSTRAIGHT SCOTCH
25 September 2004Missing data/not specified/undetermined46 acresSpokane DistrictRUBY CEM
23 September 2011Missing data/not specified/undetermined4.4 acresSpokane DistrictRUBY GRADE
19 September 2020Missing data/not specified/undeterminedunder an acreWashington State Department of Natural Resources HeadquartersCONGER CREEK

Every fire recorded in Okanogan County

Mines and quarries near this property

10 of 133 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 133 workings within 5 miles of Okanogan Project: Conconully Resevoir Dam: 46 unknowns, 35 occurrences, 24 past producers, 14 producers. 14 still produce. What was taken out: Silver, Lead, Gold, Copper. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
ArlingtonSilver, Copper, Lead, Gold, ZincProducer1887
ArlingtonZinc, Silver, Copper, Gold, LeadPast ProducerVein
ArlingtonSilver, Antimony, Copper, Gold, LeadProducerChalcopyrite, Pyrargyrite, Pyrite, Sphalerite, Tetrahedrite
Arlington MineSilver, Gold, CopperPast Producer1887, 1893
Berney PitSand and Gravel, ConstructionProducer
Chief SunshineSilver, Zinc, Lead, Gold, Copper, AntimonyProducerGalena, Pyrite, Tetrahedrite
Chief Sunshine ClaimsZinc, Copper, Gold, Silver, LeadProspectVein
Copper KingLead, Silver, Copper, ZincUnknown
DorianMica, ChromiumUnknown
EstherLead, Silver, Zinc, CopperUnknown

Every working recorded in Okanogan County

Storms near this property

13 since 1998

Regional context, not property-specific evidence. The National Weather Service names Conconully, the town this property stands in, in 13 storm reports between 1998 and 2023: 4 flood, 3 hail, 2 flash flood, 2 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.

WhenEvent Place namedHarm What the report says
July 2022Flash FloodConconully$1,000,000Evacuations ongoing along the north fork Salmon Creek road, with the bridge on north side of town overtopped with water. Several people are trapped in Kerr campground from flash flooding of the north fork of the Salmon river. North fork salmon creek road washed out in multiple locations from flash flooding. Sinlahekin road flooded and impassable. Road washed out near Salmon Meadows campground from flash flooding. |Reports of at least 25 residences inundated with water. A cabin under construction was destroyed from flood waters.
May 1998Flash FloodConconully$100,0002.25" of rain overnight. Salmon Creek being sandbagged. Some evacuations in Conconully.
August 2013Debris FlowConconully$20,000Conconully was pounded by heavy rain for almost two hours leading to backed up culverts and mudslides. One slide was two to three feet deep on Lake Street. A second slide was two feet deep on Sinlahekin Road. Three houses on Silver Street had some minor water damage.
July 2012Thunderstorm WindConconully$10,000A tree fell on a tent and trapped an unknown number of occupants. Other downed trees were reported in the recreational vehicle park on the north side of the Conconully Reservoir. Windows from some of the recreational vehicles located at the park were blown out as well. Wind damage was localized to this one area in the town of Conconully. No injuries were reported and damage was estimated.
April 2018Debris FlowConconully$2,000Sinlahekin Road just east of Conconully was closed due to mud and debris over the road.
May 2018FloodConconully$2,000The City of Conconully reported that the North Fork of Salmon Creek had a rapid rise on May 6th, causing water to flow over the Broadway Street Bridge. Over a span of the next two weeks, the North Fork rose and fell daily with the diurnal snow melt cycle, causing the water to occasionally flow over the bridge.
May 2023FloodConconully-Broadway Street Bridge is closed due to water from North Fork Salmon Creek flowing over it. photos/videos from emergency manager. 5/4/23. Snow melt combined with near quarter of an inch of rain contributed to creek rise.
May 2011FloodConconully-On May 22nd, Sinlahekin Road was closed between Fish Lake and Blue Lake due to water and debris flowing over the roadway. The road was later reopened but closed on and off for the next few weeks.
May 2006FloodConconully-no account filed
July 2006HailConconully-no account filed
July 2006Thunderstorm WindConconully-no account filed
August 2006HailConconully-no account filed
August 2006HailConconully-no account filed

Every storm recorded in Okanogan 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.

Sources for this property

National Archives recordThe nomination case file for reference 74001969 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
Okanogan CountyAll 16 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.