WellheadMap

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Marsh Creek Unit 1

Plugged Dry hole well

API number04-013-20279
OperatorHorizon Operating Co.
CountyContra Costa, California
Spudded1988-04-12
Surface location37.929382, -121.683846 · wells within 1 mile
Directions to the wellhead: Google Maps Apple Maps Waze
State recordCalifornia Geologic Energy Management Division (CalGEM) ↗
Data as of2026-10-19

From California Geologic Energy Management Division (CalGEM) public records. Verify with the state before relying on this information.