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Infiltration/Inflow Control Program (IICP) | MWRD
Excessive infiltration and inflow (I/I) into the sanitary sewer system is a serious problem that contributes to sanitary sewer overflows and basement backups. The MWRD has incorporated an Infiltration and Inflow Control Program (IICP) into Article 8 of the WMO.
Revisions to Issued Permits | MWRD
Submit a permit revision if requesting sewer design-related revisions to existing permits prior to completion of sewer work under the permit, or to make minor changes to stormwater detention facilities.
Pre-Application Meetings | MWRD
Request a pre-application meeting if working on submitting a permit that involves complicated components.
Permit Inquiries | MWRD
Submit a permit inquiry request if requesting a copy of an issued permit from MWRD's permit archives.
Permit Determinations | MWRD
Submit a permit determination request if you are unsure of whether or not a WMO permit is required.
Upper Salt Creek Watershed | MWRD
Located in northern Cook County, waters from the Arlington Heights branch and West Branch merge into Salt Creek near Busse Woods.
Sidestream Elevated Pool Aeration (SEPA) Stations | MWRD
The MWRD’s five sidestream elevated pool aeration (SEPA) stations, located along the Cal-Sag Channel and the Calumet River, improve water quality and provide scenic park-like environments.
Chemical Toilet Wastes Disposal Program | MWRD
Program to control and monitor the disposal of chemical toilet waste to the MWRD's collection system and facilities.
Resource Recovery Program | MWRD
A program to manage the delivery of high strength organic material to the MWRD's water reclamation plants.