Wellsona, California
27 topographic sheets cover this place, the earliest surveyed in 1919 and the latest in 1989. It stands in the Paso Robles census division. It lies in ZIP code area 93446. It stands on Huerhuero Creek. The Survey maps it on the Paso Robles quadrangle.
Then and now
1919 to 1989The same ground, surveyed 70 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Topographic sheets covering this place
11 surveys from 27 printed sheetsMatched 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.
- 1919 USGS Paso Robles quadrangle1:62500, 5 printings
- 1943 USGS Paso Robles quadrangle1:62500
- 1947 USGS San Luis Obispo quadrangle1:250000
- 1948 USGS Paso Robles quadrangle1:24000, 7 printings
- 1948 USGS Paso Robles quadrangle1:62500, 2 printings
- 1948 USGS San Luis Obispo quadrangle1:250000
- 1956 USGS San Luis Obispo quadrangle1:250000, 5 printings
- 1957 USGS San Luis Obispo quadrangle1:250000
- 1958 USGS San Luis Obispo quadrangle1:250000
- 1961 USGS Paso Robles quadrangle1:62500, 2 printings
- 1989 USGS Paso Robles quadrangle1:100000
Fires near this place
355 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 355 fires within 5 miles of Wellsona between 1992 and 2020, burning about 953 acres in total. 2 started naturally. 9 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 | 162 |
| Equipment and vehicle use | 134 |
| Debris and open burning | 25 |
| Arson/incendiarism | 9 |
| Smoking | 7 |
| Misuse of fire by a minor | 7 |
| Power generation/transmission/distribution | 4 |
| Railroad operations and maintenance | 2 |
| Recreation and ceremony | 2 |
| Natural | 2 |
| Other causes | 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 2006 | Missing data/not specified/undetermined | under an acre | San Luis Obispo Unit | WELLSONA |
| 8 September 1994 | Equipment and vehicle use | under an acre | San Luis Obispo Unit | RIVER |
| 7 September 2014 | Other causes | under an acre | San Luis Obispo Unit | RIVER |
| 6 September 1995 | Equipment and vehicle use | under an acre | San Luis Obispo Unit | SLU 3085 |
| 6 September 1993 | Missing data/not specified/undetermined | 2.0 acres | San Luis Obispo Unit | SLU 3113 |
| 5 September 2005 | Missing data/not specified/undetermined | under an acre | San Luis Obispo Unit | WELLSONA |
| 5 September 1992 | Equipment and vehicle use | 6.0 acres | San Luis Obispo Unit | SLU-2819 |
| 4 September 2005 | Equipment and vehicle use | 2.0 acres | San Luis Obispo Unit | SETTLER |
Settlements close enough to share some of these fires:
Mines and quarries near this place
7 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 7 workings within 5 miles of Wellsona: 6 producers, 1 past producer. 6 still produce. What was taken out: Sand and Gravel, Construction, Manganese, 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 |
|---|---|---|---|---|
| Mountain Springs Quarry | Stone, Crushed/Broken | Producer | ||
| Thompson Deposit | Manganese | Producer | ||
| 12th Street Pit | Sand and Gravel, Construction | Producer | ||
| Branch Pit | Sand and Gravel, Construction | Producer | ||
| Estrella Pit | Sand and Gravel, Construction | Producer | ||
| North River Road Pit | Sand and Gravel, Construction | Producer | ||
| Paso Pit and Mill | Sand and Gravel, Construction | Past Producer |
Storms near this place
2 since 2023Regional context, not property-specific evidence. The National Weather Service names Wellsona in 2 storm reports between 2023 and 2024: 2 flash flood. The reports record 1 death and 1 injury. 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 |
|---|---|---|---|---|
| January 2023 | Flash Flood | Wellsona | 1 killed, 1 hurt | A woman and her 5 year old child were swept down a flooded roadway near San Marcos Creek. The woman survived, but her 5 year old child died. |
| February 2024 | Flash Flood | Wellsona | - | Swift water rescue teams rescued two people from San Marcos Creek. |
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 | Place | Distance | Sheets |
|---|---|---|---|
| Old Adobe | 2.8 miles | 27 | |
| San Lawrence Terrace | 3.4 miles | 27 | |
| Oak Park | 3.4 miles | 27 | |
| San Miguel | 3.8 miles | 21 | |
| Estrella | 4.5 miles | 27 | |
| Capital Hill | 4.8 miles | 27 | |
| Paso Robles | 4.9 miles | 27 | |
| McKay | 6.2 miles | 21 |
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.
| Wikidata item Q122559217 | The 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 251305. 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.










