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1m Introduction <br />Project Overview <br />This report evaluates drainage interactions between the La Porte Municipal Airport and the <br />neighborhoods to the west (Glen Meadows) and to the north of the airport property. HT&J has also <br />conducted a detailed hydrology and hydraulic analysis of the La Porte Municipal Airport, <br />including its drainage infrastructure and outfall conditions. The airport drains to a culvert along <br />Spencer Highway which outfalls to Big Island Slough, a FEMA studied stream. <br />The LaPorte Municipal Airport is an approximately 300-acre site in the City of LaPorte, located <br />to the north of Spencer Highway, west of Sens Road, south of State Highway 225, and east of <br />Underwood Road. The airport site is mostly surrounded by residential development and is on the <br />watershed divide of Armand Bayou watershed, San Jacinto and Galveston Bay watershed, and <br />Clear Creek watershed. Figure 1 presents the location map of the airport property and the offsite <br />areas being evaluated. <br />Figure I -Project Location <br />La Porte Municipal Airport — Offsite Drainage Analysis <br />HT&J, LLC, January 2018 Page 1 <br />