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COMMITMENTS AND CONTINGENCIES
6 Months Ended
Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
COMMITMENTS AND CONTINGENCIES
COMMITMENTS AND CONTINGENCIES
 
Environmental Matters

In February 2016, a gas migration was detected at one of our previously abandoned non-operated wells in Alberta, Canada. Barnwell’s working interest in the well is 50% and as non-operator we have no control over the actual cost or timing of the remediation. In February 2016 we accrued approximately $200,000 for estimated probable environmental remediation costs, which was the balance of the accrual at September 30, 2016. However, based on recent information from the operator of the well, the cost to remediate will be less than originally estimated and Barnwell reduced the liability to approximately $19,000 at March 31, 2017, which has not been discounted and was accrued in "Accrued operating and other expenses" on the Condensed Consolidated Balance Sheets.

Because of the inherent uncertainties associated with environmental assessment and remediation activities, future expenses to remediate the currently identified site, and sites identified in the future, if any, could be incurred.
 
Guarantee
 
See Note 5 for a discussion of Barnwell’s guarantee of the Kukio Resort land development partnership’s performance bonds.