Reports & Studies


Form Description
Advanced Identification (ADID) Wetland Study (1992) (PDF) Study documenting the results of an effort to identify wetlands of exceptionally high functional value within Lake County, Illinois.
Advanced Identification (ADID) Wetland Study Sheets (1992) (PDF) Report containing site-specific data sheets for each wetland identified in the 1992 ADID Wetland Study as having high functional value.
Lake County All Natural Hazards Mitigation Plan (2012) (PDF) A multi-jurisdictional plan promoting a proactive approach to reduce the impact of natural hazards affecting Lake County.
Lake County Comprehensive Stormwater Management Plan (2002) (PDF) Update of the 1990 Comprehensive Plan; describes SMC's mission and present objectives, policies, and basic stormwater principles as a framework for SMC's stormwater management functions and activities.
Wetland Hydrology Study Report (October 2017) (PDF) An interim report documenting results of SMC's ongoing study to determine if WDO goal of maintaining post-development hydrologic conditions and floristic quality of preserved Isolated Waters of Lake County relative to pre-project conditions is being met.

Soil Erosion & Sediment Control

Form Description
Soil Erosion and Sediment Control Checklist (PDF) A two-page list to help an applicant determine the items to include on soil erosion/sediment control plans.
Soil Erosion and Sediment Control Construction Notes (2013) (PDF) A listing of standard Lake County soil erosion/sediment control construction notes for development plan sheet submittals.

Stormwater & Water Quality

Form Description
NPDES Countywide Memorandum of Understanding (PDF) A memo designating responsibilities for construction site stormwater runoff minimum control measures of the Illinois EPA’s National Pollutant Discharge Elimination System, General Permit for Small Municipal Separate Storm Sewer Systems (MS4s).