Lake County stormsewersheds

Summary: From: Prusila, Michael E. [mailto:lakecountyil.gov] Sent: Friday, January 30, 2015 9:08 AM To: Craig Shillinglaw Cc: Linda Masters; Robert Megquier Subject: RE: SMC agreed to help map the drainage areas to these ravines, accounting for both surface drainage as well as drainage to the ravines through stormsewers. Because the tableland areas that drain to the ravines are so flat, the so-called stormsewersheds do not always agree with the watershed boundaries as defined by topography alone. So the product we are providing will be a polygon shapefile representing the drainage areas as described. We will compare the mapping you have provided with the data we have developed. I assume Graef accounted for both surface and stormsewer drainage. Thanks. Mike Prusila