(1) The owner or operator of any well or core hole shall keep or cause to be kept careful and accurate logs, including but not restricted to heat flow, temperature gradients, and rock conductivity logs, records, descriptions, and histories of the drilling, redrilling, or deepening of the well.

     (2) All logs, including but not restricted to heat flow, temperature gradients, and rock conductivity logs, records, histories, and descriptions referred to in subsection (1) of this section shall be kept in the local office of the owner or operator, and together with other reports of the owner or operator shall be subject during business hours to inspection by the department. Each owner or operator, upon written request from the department, shall file with the department one paper and one electronic copy of the logs, including but not restricted to heat flow, temperature gradients, and rock conductivity logs, records, histories, descriptions, or other records or portions thereof pertaining to the geothermal drilling or operation underway or suspended.

[2007 c 338 § 4; 1974 ex.s. c 43 § 20. Formerly RCW 79.76.200.]