Section 240.1810  Submission of Underground Gas Storage Field Map

a)         Each gas storage operator shall submit to the Department, by January 1, 2020, a map for every underground gas storage field in operation on October 15, 2019.  For an underground gas storage field that was not in operation on October 15, 2019, the gas storage operator shall submit its map within 90 days following the start of operations.

b)         All maps required to be filed with the Department pursuant to subsection (a) shall include:

1)         The lowest closing contour at which gas can be stored;

2)         The area of land currently under a valid lease or storage rights agreement, including the top and bottom depths of the lease;

3)         Any protective boundaries established by a governmental agency; and

4)         Any known faults located in the storage area.

c)         All maps submitted to the Department shall be updated by the operator within 30 days after discovery by the operator that there has been a change to any item required by subsection (a).

d)         Upon written request to the Department, the information listed in subsection (a) will be considered proprietary information and shall be held confidential.

(Source:  Amended at 43 Ill. Reg. 11524, effective September 24, 2019)