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TG 21

Partial source coverage. Status and company roles are reported by each source, not independently verified as current. Unknown does not mean zero.

Name / source ID
09790311
Borehole / source record ID
09790311
Sector
Geothermal
Derived purpose group
Temperature gradient
Operator in source snapshot
Not reported / not verified
Recorded spud date
Not reported / not verified
Recorded completion date
Not reported / not verified
Latitude / longitude (WGS84)
38.804406 / -122.844376
Source-reported measurements
Not reported / not verified
Status reported by source
P
Source accessed
2026-10-02
Source snapshot date
Not reported / not verified
Original coordinate reference system
EPSG:3310 (NAD83 / California Albers)
Source-reported measurements
Source-reported measurementsValueReference
Open source record ↗
JSON ↗Explore measurements ↗Data API ↗

Nearby wells and heat flow

These tools are descriptive: not forecasts, reserve estimates or investment advice. Source coverage is partial; unknown does not mean zero.

Nearby wells and heat flow
NameDistanceSource-reported measurementsSource catalogues
Filley 20.20 kmNot reported / not verified mCalGEM — California public geothermal wells
Filley 30.25 kmNot reported / not verified mCalGEM — California public geothermal wells
WGP 30.41 kmNot reported / not verified mCalGEM — California public geothermal wells
WGP 40.42 kmNot reported / not verified mCalGEM — California public geothermal wells
Filley 10.43 kmNot reported / not verified mCalGEM — California public geothermal wells
TG 140.54 kmNot reported / not verified mCalGEM — California public geothermal wells
Rorabaugh A-310.58 kmNot reported / not verified mCalGEM — California public geothermal wells
TG 220.59 kmNot reported / not verified mCalGEM — California public geothermal wells
Rorabaugh A-180.61 kmNot reported / not verified mCalGEM — California public geothermal wells
Rorabaugh A-90.63 kmNot reported / not verified mCalGEM — California public geothermal wells
Rorabaugh 70.70 kmNot reported / not verified mCalGEM — California public geothermal wells
Rorabaugh 50.72 kmNot reported / not verified mCalGEM — California public geothermal wells

Subsurface temperature and heat flow

Compare bottom-hole temperatures with depth and see measured heat flow near wells: context for geothermal reuse.

Subsurface temperature and heat flow
NameDistanceSubsurface temperature and heat flowQuality flags
R24-P0209120.39 km74.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P0208920.48 km403.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P0209150.58 km599.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P0208770.78 km183.50 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P0209200.84 km184.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

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