WellheadMap

Home › California › Contra Costa

Slowinski 1

Plugged Dry hole well

API number04-013-20354
OperatorTonka Energy, Inc.
CountyContra Costa, California
Spudded1999-08-09
Surface location37.977013, -121.667175 · 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.