R-1999-23 - National Flood Insurance Program

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e CIlY OF LA PORTE, TX CRS ACTIVIlY 510 FLOODPLAIN MANAGEMENT PLAN e Pinegrove Valley The county is trying to alleviate the problem by installing a road crossing across Avenue "L" to move some of the water to the north side ditch. They are also cutting a lateral ditch from North Avenue "L" to Flood Control Ditch F101. Coastal La Porte Bayshore Park 923 Parkway does not have any specific problems. The water drains east to Bayshore, which has an outfall at F-212. In the past twenty years, it has flooded twice, both because of an above average rainfall. F-212 drains into Galveston Bay and tides affect the run-off. This year the Public Works Department installed a new pipe to replace a separated pipe that runs from Bayshore to Galveston Bay. This system is located at Parkway and Bayshore. Sylvan Beach 210 Cypress is a curb and gutter street. It retains water as it is designed to do. Only infrequent torrential rainfall events may cause flooding in the area. Broadway & "H" With regard to 816 S. 1st, the drainage has just recently been maintained and the ditch on West "H" at South 1 at was re-designed to remove more of the water from the alley behind this residence. At 832 and 815 South Broadway, the water drains along Broadway via a curb and gutter system. A new system was installed along Broadway to "I." This consists of 6-foot box culverts to Fairmont Parkway. There is another catch basin on the east side of Broadway that drains water east to F-216-01 on the Arizona Street r.o.w. The system is underground from Broadway to East "G." The RCP from the jundion box at the Arizona r.o.w. a East "F" to East "F" is separated and needs to be reset. Also, there is no fall on the open ditch portion to Park Street. City of La Porte Planning Department, nub Page 16 of 26 June 10,1999