Drainage_and_Flooding_Report-dated_10_03_2008

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Mr. Ron Bottoms, City Manager k I o t z a s s o c i a t e s October 1, 2008 Page 30 of 31 Colley, Jack.. Letter to Emergency Management Colleagues. January 29, 2007. Repetitive Flood Claims Grant Program Guidance for FY 2007. Emailed to firm 3.1.07. Colley, Jack.. Letter to Emergency Management Colleagues. January 29, 2007. Pre -Disaster Mitigation (PDM) Grant Program Guidance for FY 2007. Downloaded from website I & 21 .2 V, _Psfsufs, k "Hazard Mitigation Grant Program (HMGP)." August 3 0, 2006. Texas Division of Emergency Management. March 14, 2007 g4ilt.a 44I Texas Statutes Local Government Code Chapter 395.015. Added by Acts 1989, 71st Leg., ch. 1, § 82(a), eff. Aug. 28, 1989. Amended by Acts 2001, 77th Leg., ch. 345, § 3, eff. Sept. 1, 2001. < http://tlo2.tic.state.tx.us/statutes/Ig.toc.htm> 7. Conclusions In this report, we have focused on several key issues in regard to long term solution of continuing, critical drainage problems. We have systematically identified areas of sinificant floodini and irovided a irioritization of those areas III d 111AULME TILLQ11 11191 *IIIJ I-OUVEIMLOS UIC �SCVUIILY 01 110OUIng DLL MR Denem to be derived by improved drainage to eliminate flooding and ponding in such areas. We have also examined potential overflow conditions in major drainage channels and ditches to generallv describe the severity of insufficient capacity in primary channels and ditches and assess whether channel capacity is a likely source of reported flooding for particular areas of reported flooding. We have also identified and reviewed the various conceptual approaches to address identified drainage and flooding problems. Implementation of such solutions will require funding. To assist the City in obtaining necessary ftmding, we have provided a general review of likely additional funding sources in addition to traditional tax -based sources. Critical to long-term prevention of increased floodmig and inadequate drainage in the City are the drainage criteria and standards to which new development and re- development must comply. While the City has a basically sound set of drainage criteria, we have identified a series of what we think would be potential improvements in the criteria to be applied to new development and redevelopment.