2009-05-18 Special Called Regular Meeting and Workshop of La Porte City Council minutes

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historical flow from the Broadway area to drain directly to the Bay. This will not only reduce flooding in the Broadway area by providing several more direct flow routes, but will also reduce the amount of water volume flowing to Taylor Bayou. This will be done through both underground systems and overland flow depending on the facilities in which the improvement would occur. A map has been generated of all viable rights of way, utility easements and other linear access ways (copy attached as exhibit 3). Acquisition of some easements will be necessary. Staff is analyzing which routes will be most effective in terms of location perpendicular to the bayfront, size of right of way or easement, conflicting infrastructure and cost/necessity to install or rebuild certain facilities. It is anticipated that preliminary engineering could be done in-house for most of these projects. 4) Rain Events of April 18 and 24, 2009 April 18, 2009 Rain Event (3 hour period) 7.23 inches near UH-Clear Lake 6.75 inches in Shoreacres 5.28 inches in Baytown The above totals exceed or closely exceed the 100-year event. April 24, 2009 rain event (2-hour period) 7.05 inches near UH-Clear Lake 6.93 inches in Shoreacres 5.15 inches in Baytown All of the above totals for the rain event for April 24, 2009 exceeds the 100-year event. Overall, the La Porte area within a one week period received almost 16" of rain which accounts to almost 35 percent of the area's yearly rain total. A listing of flood and damage complaints is attached hereto as exhibit 4. 5) Media Coverage of LaPorte Ordinances In addition to the various drainage maintenance and design projects that are planned or ongoing, the Flooding and Drainage Committee requested that the public be notified of those drainage related policies and ordinances of the city to which the citizenry can participate or has responsibility. A front page article was printed in the Bayshore Sun on May 6, 2009 (article is attached as exhibit 5). The intent was to make the citizens aware of the actions they can take to help the drainage system perform as designed, and to identify those individual actions that may contribute to flood conditions in their neighborhood. The most effective way to avoiding flooding is to ensure a strong partnership with all parties, individually and collectively doing their part. It is anticipated that a blurb in the water bill could be added/rotated each month. Prepared by Planning Department, 5-13-09