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<br /> <br />Town of Lexington <br />Recreation Committee <br /> <br /> <br /> <br /> <br />Frederick DeAngelis, Chairman Tel: (781) 862-0500 x262 <br />Richard Thuma, Vice Chairman Fax: (781) 861-2747 <br />Robert Boudreau <br />Wendy Rudner <br />Sandra Shaw <br /> <br />RECREATION COMMITTEE/BOARD OF HEALTH MEETING <br /> <br />March 26, 2008 <br /> <br />Room 111 – Town Office Building <br /> <br />Recreation Committee Members Present: <br />Rick DeAngelis, Dick Thuma, Bob Boudreau, <br />Wendy Rudner, and Sandra Shaw <br /> <br />Board of Health Members Present: <br />Wendy Heiger-Bernays, Judith Feldman, Sharon <br />MacKenzie, and Burt Perlmutter <br /> <br />Recreation Staff Present: <br />Karen Simmons, Peter Coleman, and Dave Pinsonneault <br /> <br />Health Staff Present: <br />Gerard Cody <br /> <br />Others Present: <br />Dr. Bernward Hay, Principal Environmental Scientist, Louis Berger Group <br /> Jeremy Marcette, Assistant Director of Civil Engineering, Louis Berger Group <br /> <br />AGENDA <br /> <br />1. Water Quality Survey of the Old Reservoir <br /> <br />This was a joint meeting of the Recreation Committee and Board of Health. Dr. Bernward <br />Hay and Mr. Marcette of the Louis Berger Group presented their findings for the water quality <br />survey that was conducted at the Old Reservoir. <br /> <br />Dr. Hay began the presentation by reviewing the Old Reservoir watershed and the water <br />depths of the Old Reservoir. The depth averaged between 5-7 feet in the middle of the <br />reservoir and between 9-10 along the southern edge of the reservoir near the detention basin. <br /> <br />A historic data analysis shows that from 2001-2007 the readings of enterococci concentration <br />in the Old Reservoir differed significantly between 2001-2003 and 2004-2007. This coincides <br />with a change in laboratories that collected the water samples before the 2004 season. <br /> <br />Through historic data, Dr. Hay explained that rainfall and bather counts do not directly <br />influence the bacteria concentration in the Old Reservoir. Other potential bacteria sources that <br />were identified include sediment, dogs, waterfowl, illicit sewer connections, leaking sewer, <br />1625 MASSACHUSETTS AVENUE • LEXINGTON, MASSACHUSETTS 02420 <br /> <br /> <br />