83 Ill. Adm. Code 655.30
Recoverable Purchased Water/Sewage Treatment Costs
Section 655
Section 655.30 Recoverable
Purchased Water/Sewage Treatment Costs
a) Costs recoverable through the purchased water/sewage treatment
surcharge shall include the following:
1) The cost of purchased water from an entity other than the
utility (including wheeling or delivery charges); and
2) The cost of purchased sewage treatment from an entity other
than the utility.
b) Recoverable purchased water/sewage treatment costs shall be
offset by the revenues derived from transactions at rates not subject to the
purchased water/sewage treatment surcharge to the extent that costs incurred in
connection with such transactions are recoverable costs under subsection (a)
above. Subsection (a) shall apply to transactions subject to rates contained in
tariffs on file with the Commission, in contracts entered into pursuant to such
tariffs, and in any other contracts providing for purchased water/sewage
treatment.
c) Revenues from penalty charges approved by the Commission that
relate to purchased water/sewage treatment shall offset recoverable costs as
determined under Section 655.40 of this Part.
d) The determination of costs recoverable from customers through
the purchased water/sewage treatment surcharge shall not include water used in,
and/or sewage treated for, facilities either owned or leased by the utility.