IDSE Implementation Timeline

Schedule for systems in a combined distribution system (CDS) is based on that of the largest system in the combined distribution system

Sch. Systems Serving:

Submit 40/30 Certification, SM, SSS Plan, or receive VSS Waiver by:

Complete SM or SSS By:

Submit IDSE Report (only systems conducting SM or SSS) by:

1

>100,000

Oct. 1, 2006

Sept. 30, 2008

Jan. 1, 2009
2

50,000–99,999

Apr. 1, 2007 Mar. 31, 2009 July 1, 2009
3 10,000–49,999 Oct. 1, 2007

Sept. 30, 2009

Jan. 1, 2010
4

< 10,000

Apr. 1, 2008 Mar. 31, 2010 July 1, 2010

Getting Started

Your Water System's Monitoring Period

Once you know which schedule your system is assigned, download the appropriate files.

Schedule Timeline Monitoring Period
1 Sch. 1 Timeline Sch. 1 Monitoring Period
2 Sch. 2 Timeline Sch. 2 Monitoring Period
3 Sch. 3 Timeline Sch. 3 Monitoring Period
4 Sch. 4 Timeline Sch. 4 Monitoring Period
 

Additional Information