Figure: 30 TAC §290.115(c)(5)(C)

Initial Distribution System Evaluation (IDSE) Schedule
Retail population Submit IDSE plan or
waiver documentation
by:1, 2
Complete IDSE
Submit IDSE
report by:3
Systems that are not part of a combined distribution system
and systems that serve the largest population in the combined distribution system
100,000 or more October 1, 2006 September 30,
January 1, 2009
50,000 through
April 1, 2007 March 31, 2009 July 1, 2009
10,000 through
October 1, 2007 September 30,
January 1, 2010
less than 10,000
(Community Only)
April 1, 2008 March 31, 2010 July 1, 2010
Other systems that are part of a combined distribution system:
Any population At the same time as the system with the earliest compliance date in
the combined distribution system

1If, within 12 months after the date identified in this column, the executive director does not approve a system's IDSE plan or notify the system that review is incomplete, the IDSE plan will be considered approved. The system must implement that plan and must complete standard IDSE monitoring or a system specific study no later than the date identified in the third column.
2Waiver documentation must be submitted by the date indicated.
3If the executive director does not approve an IDSE report or notify a system that review is incomplete within three months after the IDSE report is due to be submitted, or within nine months of the date that waiver documentation must be submitted for systems receiving waivers, the submitted report or waiver documentation will be considered approved and must be implemented.