BlockBefore

Boca, California

35 topographic sheets cover this place, the earliest surveyed in 1891 and the latest in 2000. It stands in the Donner census division. It lies in ZIP code area 96161. It stands on Boca Hill. The Survey maps it on the Boca quadrangle. It stands 5,528 feet above sea level.

Boca within Nevada County

Then and now

1891 to 2000

The same ground, surveyed 109 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Boca, surveyed 2000
Topographic sheet of Boca, surveyed 1891

On record in Boca

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register within a mile 1 record

The National Register names another town for these. They stand within one mile of this settlement's coordinate.

Topographic sheets covering this place

11 surveys from 35 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

Fires near this place

279 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 279 fires within 5 miles of Boca between 1992 and 2020, burning about 2,812 acres in total. 54 started naturally. 11 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/undetermined82
Recreation and ceremony74
Natural54
Equipment and vehicle use22
Debris and open burning19
Arson/incendiarism11
Smoking9
Misuse of fire by a minor3
Power generation/transmission/distribution3
Fireworks1
Railroad operations and maintenance1

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
9 September 2019Missing data/not specified/undetermined3.0 acresTahoe National ForestRESERVOIR
9 September 2013Recreation and ceremony1.0 acresNevada-Yuba-Placer UnitAIRPORT
8 September 2017Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire ProtectionQUARRY
4 September 2019Recreation and ceremonyunder an acreTahoe National ForestBOCA
4 September 1998Naturalunder an acreHumboldt-Toiyabe National ForestGREY
4 September 1993Recreation and ceremonyunder an acreNevada-Yuba-Placer UnitSOMERSET
3 September 1998Naturalunder an acreHumboldt-Toiyabe National ForestBRONCO
3 September 1998Naturalunder an acreHumboldt-Toiyabe National ForestACID

Settlements close enough to share some of these fires:

Every fire recorded in Nevada County

Mines and quarries near this place

7 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 7 workings within 5 miles of Boca: 3 producers, 2 occurrences, 1 past producer, 1 unknown. 3 still produce. What was taken out: Sand and Gravel, Construction, Gold, Uranium, Pumice. 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
Hirschdale PitPumiceProducer
Martis Valley PitSand and Gravel, ConstructionProducer
Truckee Canyon GroupUraniumOccurrence
Truckee Canyon GroupUraniumOccurrence
Truckee PitSand and Gravel, ConstructionProducer
UnnamedGoldPast ProducerUnderground
Unnamed LocationGoldUnknown

Every working recorded in Nevada County

Storms near this place

7 since 2003

Regional context, not property-specific evidence. The National Weather Service names Boca in 7 storm reports between 2003 and 2023: 4 heavy rain, 2 hail, 1 flood. 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
January 2023Heavy RainBoca-COCORAHS Station (CA-NV-51) located 2.0 mi N Truckee, CA, and CO-OP observer located 1.0 mi SSW of Boca Reservoir, CA, reported 24 hour heavy rainfall totals of 5.57 and 4.62 inches respectively during the period from 12/31/22 through 1/1/23.
June 2023FloodBoca-The CHP Truckee reported flooding located 1.0 mi N of Boca Reservoir that included mud along with the fall of rocks/boulders up to 5 feet diameter onto Stampede Meadows Rd. near Boca Springs road.
August 2021Heavy RainBoca-Mesonet reported 0.8 inches of rainfall from thunderstorms 2 SW of Glenshire.
December 2019Heavy RainBoca-CO-OP Observer station BOCC1 1 mile south-southwest of Boca Reservoir reported 1.95 inches of rainfall in a 48-hour period from 6 December 0800PST to 8 December 0800PST at an elevation of 5575 feet MSL.
April 2018Heavy RainBoca-COOP observer 1 mile south-southwest of Boca Reservoir (elevation 5589 feet) measured 0.94 inches of rainfall in a 24 hour period from 6 April 1049PST to 7 April 1049PST.
August 2012HailBoca-Very large amounts of pea to marble size hail (with some hail as large as nickels) from a slow-moving thunderstorm caused around 4 inches of accumulating hail. The hail depth was directly verified by a National Weather Service employee. The hail caused a number of residential gardens to be damaged or destroyed.
June 2003HailBoca-A storm spotter reported 3/4 inch diameter hail in the Hirschdale area, near Boca Reservoir.

Every storm recorded in Nevada County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Map PlaceDistance Sheets
Hinton1.3 miles35
Hirschdale1.5 miles34
Prosser (historical)2.0 miles36
Union Mills2.3 miles34
Iceland3.7 miles35
Bronco3.8 miles35
Floriston3.9 miles35
Polaris3.9 miles36

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikipedia article on BocaAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q2908225The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 1658092. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

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.